From 110f83b420279b28a9fe40ecf73bd6a7881f4c1f Mon Sep 17 00:00:00 2001
From: derek mcquay <derekmcquay@gmail.com>
Date: Sun, 10 Apr 2016 09:23:30 -0700
Subject: [PATCH] adding in ecen427 space invaders final lab

---
 ecen427/alien.c               | 337 +++++++++++++
 ecen427/alien.h               | 158 ++++++
 ecen427/alienDeathSound.c     |  18 +
 ecen427/bullet.c              | 226 +++++++++
 ecen427/bullet.h              | 109 +++++
 ecen427/bunker.c              | 638 +++++++++++++++++++++++++
 ecen427/bunker.h              | 440 +++++++++++++++++
 ecen427/global.c              | 284 +++++++++++
 ecen427/global.h              |  16 +
 ecen427/lscript.ld            | 213 +++++++++
 ecen427/nes.c                 |  14 +
 ecen427/nes.h                 | 123 +++++
 ecen427/pit.c                 |  14 +
 ecen427/pit.h                 | 129 +++++
 ecen427/platform.c            |  81 ++++
 ecen427/platform.h            |  27 ++
 ecen427/platform_config.h     |   8 +
 ecen427/score.c               | 618 ++++++++++++++++++++++++
 ecen427/score.h               | 402 ++++++++++++++++
 ecen427/shoot.c               |   3 +
 ecen427/sounds.c              | 215 +++++++++
 ecen427/sounds.h              |  47 ++
 ecen427/spaceShipDeathSound.c |   3 +
 ecen427/spaceShipSound.c      |   3 +
 ecen427/tank.c                | 111 +++++
 ecen427/tank.h                |  77 +++
 ecen427/tankDeath.c           | 383 +++++++++++++++
 ecen427/ufo.c                 | 255 ++++++++++
 ecen427/ufo.h                 | 134 ++++++
 ecen427/vdma.c                | 872 ++++++++++++++++++++++++++++++++++
 ecen427/xac97_l.c             | 180 +++++++
 ecen427/xac97_l.h             | 291 ++++++++++++
 32 files changed, 6429 insertions(+)
 create mode 100644 ecen427/alien.c
 create mode 100644 ecen427/alien.h
 create mode 100644 ecen427/alienDeathSound.c
 create mode 100644 ecen427/bullet.c
 create mode 100644 ecen427/bullet.h
 create mode 100644 ecen427/bunker.c
 create mode 100644 ecen427/bunker.h
 create mode 100644 ecen427/global.c
 create mode 100644 ecen427/global.h
 create mode 100644 ecen427/lscript.ld
 create mode 100644 ecen427/nes.c
 create mode 100644 ecen427/nes.h
 create mode 100644 ecen427/pit.c
 create mode 100644 ecen427/pit.h
 create mode 100644 ecen427/platform.c
 create mode 100644 ecen427/platform.h
 create mode 100644 ecen427/platform_config.h
 create mode 100644 ecen427/score.c
 create mode 100644 ecen427/score.h
 create mode 100644 ecen427/shoot.c
 create mode 100644 ecen427/sounds.c
 create mode 100644 ecen427/sounds.h
 create mode 100644 ecen427/spaceShipDeathSound.c
 create mode 100644 ecen427/spaceShipSound.c
 create mode 100644 ecen427/tank.c
 create mode 100644 ecen427/tank.h
 create mode 100644 ecen427/tankDeath.c
 create mode 100644 ecen427/ufo.c
 create mode 100644 ecen427/ufo.h
 create mode 100644 ecen427/vdma.c
 create mode 100644 ecen427/xac97_l.c
 create mode 100644 ecen427/xac97_l.h

diff --git a/ecen427/alien.c b/ecen427/alien.c
new file mode 100644
index 0000000..5a7d80c
--- /dev/null
+++ b/ecen427/alien.c
@@ -0,0 +1,337 @@
+#include "alien.h"
+
+int leftLim;
+int rightLim;
+
+void renderAlien(unsigned int* framePointer) {
+	if(getGuise() == 0) {
+		setGuise(1);
+		renderAlien1(framePointer);
+	}else {
+		setGuise(0);
+		renderAlien2(framePointer);
+	}
+}
+
+void renderAlien1(unsigned int* framePointer) {
+	short alienx, alieny;
+	alienx = getAlienBlockPositionX();
+	alieny = getAlienBlockPositionY();
+	short row=0, col=0;
+	short line = 0;
+	short position = 0;
+	short* aliens = getAliens();
+	for(line = 0; line < 10; line++) {
+		if(line % 2 == 1) {
+			alieny += 10;
+		}
+		else {
+			if(line == 0) {
+				for(row=0; row<16; row++) {
+					short position_helper = -1;
+					for(col=0; col<352; col++) {
+						if (((topAlien1[row%16] & (1<<(32-1-col)))) && aliens[position+position_helper] == 1) {
+							framePointer[alieny*640 + alienx] = 0x00FFFFFF;
+						}
+//						else if(aliens[position+position_helper] == 0) {
+//
+//						}
+						else {
+							framePointer[alieny*640 + alienx] = 0x00000000;
+						}
+						if(col % 32 == 0) {
+							position_helper++;
+						}
+						alienx++;
+					}
+					alienx=getAlienBlockPositionX();
+					alieny++;
+				}
+			}
+			if(line == 2 || line == 4) {
+				position += 11;
+				for(row=0; row<16; row++) {
+					short position_helper = -1;
+					for(col=0; col<352; col++) {
+						if (((middleAlien1[row%16] & (1<<(32-1-col)))) && aliens[position+position_helper] == 1) {
+							framePointer[alieny*640 + alienx] = 0x00FFFFFF;
+						}
+//						else if(aliens[position+position_helper] == 0) {
+//
+//						}
+						else {
+							framePointer[alieny*640 + alienx] = 0x00000000;
+						}
+						if(col % 32 == 0) {
+							position_helper++;
+						}
+						alienx++;
+					}
+					alienx=getAlienBlockPositionX();
+					alieny++;
+				}
+			}
+			if(line == 6 || line == 8) {
+				position += 11;
+				for(row=0; row<16; row++) {
+					short position_helper = -1;
+					for(col=0; col<352; col++) {
+						if (((bottomAlien1[row%16] & (1<<(32-1-col))))&& aliens[position+position_helper] == 1) {
+							framePointer[alieny*640 + alienx] = 0x00FFFFFF;
+						}
+//						else if( aliens[position+position_helper] == 0) {
+//
+//						}
+						else {
+							framePointer[alieny*640 + alienx] = 0x00000000;
+						}
+						if(col % 32 == 0) {
+							position_helper++;
+						}
+						alienx++;
+					}
+					alienx=getAlienBlockPositionX();
+					alieny++;
+				}
+			}
+		}
+	}
+}
+
+void renderAlien2(unsigned int* framePointer) {
+	short alienx, alieny;
+	alienx = getAlienBlockPositionX();
+	alieny = getAlienBlockPositionY();
+	short row=0, col=0;
+	short line = 0;
+	short position = 0;
+	short* aliens = getAliens();
+	for(line = 0; line < 10; line++) {
+		if(line % 2 == 1) {
+			alieny += 10;
+		}
+		else {
+			if(line == 0) {
+				for(row=0; row<16; row++) {
+					short position_helper = -1;
+					for(col=0; col<352; col++) {
+						if (((topAlien2[row%16] & (1<<(32-1-col)))) && aliens[position+position_helper] == 1) {
+							framePointer[alieny*640 + alienx] = 0x00FFFFFF;
+						}
+//						else if(aliens[position+position_helper] == 0) {
+//
+//						}
+						else {
+							framePointer[alieny*640 + alienx] = 0x00000000;
+						}
+						if(col % 32 == 0) {
+							position_helper++;
+						}
+						alienx++;
+					}
+					alienx=getAlienBlockPositionX();
+					alieny++;
+				}
+			}
+			if(line == 2 || line == 4) {
+				position += 11;
+				for(row=0; row<16; row++) {
+					short position_helper = -1;
+					for(col=0; col<352; col++) {
+						if (((middleAlien2[row%16] & (1<<(32-1-col))))&& aliens[position+position_helper] == 1) {
+							framePointer[alieny*640 + alienx] = 0x00FFFFFF;
+						}
+//						else if(aliens[position+position_helper] == 0) {
+//
+//						}
+						else {
+							framePointer[alieny*640 + alienx] = 0x00000000;
+						}
+						if(col % 32 == 0) {
+							position_helper++;
+						}
+						alienx++;
+					}
+					alienx=getAlienBlockPositionX();
+					alieny++;
+				}
+			}
+			if(line == 6 || line == 8) {
+				position += 11;
+				for(row=0; row<16; row++) {
+					short position_helper = -1;
+					for(col=0; col<352; col++) {
+						if (((bottomAlien2[row%16] & (1<<(32-1-col))))&& aliens[position+position_helper] == 1) {
+							framePointer[alieny*640 + alienx] = 0x00FFFFFF;
+						}
+//						else if(aliens[position+position_helper] == 0) {
+//
+//						}
+						else {
+							framePointer[alieny*640 + alienx] = 0x00000000;
+						}
+						if(col % 32 == 0) {
+							position_helper++;
+						}
+						alienx++;
+					}
+					alienx=getAlienBlockPositionX();
+					alieny++;
+				}
+			}
+		}
+	}
+}
+
+void blankAlien(unsigned int* framePointer){
+	short alienx, alieny;
+	alienx = getAlienBlockPositionX();
+	alieny = getAlienBlockPositionY();
+	short row=0, col=0;
+	for(row = 0; row < 130; row++){
+		for(col = 0; col < 352; col++){
+			framePointer[alieny*640 + alienx] = 0x00000000;
+			alienx++;
+		}
+		alienx=getAlienBlockPositionX();
+		alieny++;
+	}
+}
+
+void dyingAlien(unsigned int* framePointer, short alienx, short alieny) {
+	short row=0, col=0;
+	for(row = 0; row < 16; row++){
+		for(col = 0; col < 32; col++){
+			if ((dying_alien[row%16] & (1<<(32-1-col)))) {
+				framePointer[(alieny+row)*640 + alienx+col] = 0x00FFFFFE;
+			} else {
+				framePointer[(alieny+row)*640 + alienx+col] = 0x00000000;
+			}
+		}
+	}
+}
+
+void dyingAlienHelper(unsigned int* framePointer, short alienx, short alieny) {
+	short row=0, col=0;
+	for(row = 0; row < 16; row++){
+		for(col = 0; col < 32; col++){
+				framePointer[(alieny+row)*640 + alienx+col] = 0x00000000;
+		}
+	}
+}
+
+int columnCheck(int value) {
+	short* aliens = getAliens();
+	if(aliens[value] == 0 && aliens[value+11] == 0 && aliens[value+22] == 0 && aliens[value+33] == 0 && aliens[value+44] == 0) {
+		return 0;
+	}
+	return 1;
+}
+
+int setRightMax() {
+	int max = 352;
+	if(!columnCheck(10)) {
+		max = 320;
+		if(!columnCheck(9)) {
+			max = 288;
+			if(!columnCheck(8)) {
+				max = 256;
+				if(!columnCheck(7)) {
+					max = 224;
+					if(!columnCheck(6)) {
+						max = 192;
+						if(!columnCheck(5)) {
+							max = 160;
+							if(!columnCheck(4)) {
+								max = 128;
+								if(!columnCheck(3)) {
+									max = 96;
+									if(!columnCheck(2)) {
+										max = 64;
+										if(!columnCheck(1)) {
+											max = 32;
+											if(!columnCheck(0)) {
+												max = 0;
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+	return max;
+}
+
+int setLeftMin() {
+	int min = 0;
+		if(!columnCheck(0)) {
+			min = 32;
+			if(!columnCheck(1)) {
+				min = 64;
+				if(!columnCheck(2)) {
+					min = 96;
+					if(!columnCheck(3)) {
+						min = 128;
+						if(!columnCheck(4)) {
+							min = 160;
+							if(!columnCheck(5)) {
+								min = 192;
+								if(!columnCheck(6)) {
+									min = 224;
+									if(!columnCheck(7)) {
+										min = 256;
+										if(!columnCheck(8)) {
+											min = 288;
+											if(!columnCheck(9)) {
+												min = 320;
+												if(!columnCheck(10)) {
+													min = 352;
+												}
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+		return min;
+}
+
+void moveAlien(unsigned int* framePointer) {
+	short dir = getDirection();
+	short alienx, alieny;
+	alienx = getAlienBlockPositionX();
+	alieny = getAlienBlockPositionY();
+	int right = setRightMax();
+	if((alienx+right) == 640 && dir == 0) {
+		setDirection(1);
+		blankAlien(framePointer);
+		alieny += 8;
+		setAlienBlockPosition(alienx, alieny);
+
+	}
+	int left = 0 - setLeftMin();
+	if(alienx == left && dir == 1) {
+		setDirection(0);
+		blankAlien(framePointer);
+		alieny += 8;
+		setAlienBlockPosition(alienx, alieny);
+
+	}
+	if(dir == 0) {
+		alienx += 4;
+		setAlienBlockPosition(alienx, alieny);
+	}
+	else {
+		alienx -= 4;
+		setAlienBlockPosition(alienx, alieny);
+	}
+}
+
diff --git a/ecen427/alien.h b/ecen427/alien.h
new file mode 100644
index 0000000..1d32795
--- /dev/null
+++ b/ecen427/alien.h
@@ -0,0 +1,158 @@
+#ifndef ALIEN_H_
+#define ALIEN_H_
+#define ALIEN_HEIGHT 16
+
+// Packs each horizontal line of the figures into a single 32 bit word.
+#define packWord32(b31,b30,b29,b28,b27,b26,b25,b24,b23,b22,b21,b20,b19,b18,b17,b16,b15,b14,b13,b12,b11,b10,b9,b8,b7,b6,b5,b4,b3,b2,b1,b0) \
+((b31 << 31) | (b30 << 30) | (b29 << 29) | (b28 << 28) | (b27 << 27) | (b26 << 26) | (b25 << 25) | (b24 << 24) |						  \
+ (b23 << 23) | (b22 << 22) | (b21 << 21) | (b20 << 20) | (b19 << 19) | (b18 << 18) | (b17 << 17) | (b16 << 16) |						  \
+ (b15 << 15) | (b14 << 14) | (b13 << 13) | (b12 << 12) | (b11 << 11) | (b10 << 10) | (b9  << 9 ) | (b8  << 8 ) |						  \
+ (b7  << 7 ) | (b6  << 6 ) | (b5  << 5 ) | (b4  << 4 ) | (b3  << 3 ) | (b2  << 2 ) | (b1  << 1 ) | (b0  << 0 ) )
+
+int topAlien1[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+};
+
+int topAlien2[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,0,0,1,1,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,0,0,1,1,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+};
+
+int middleAlien1[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+};
+
+int middleAlien2[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0),
+};
+
+int bottomAlien1[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,0,0,0,1,1,1,1,1,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,0,0,0,1,1,1,1,1,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0),
+};
+
+int bottomAlien2[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0),
+};
+
+int dying_alien[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,1,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,1,1,0,0,0,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0),
+};
+
+void renderAlien(unsigned int*);
+void renderAlien1(unsigned int*);
+void renderAlien2(unsigned int*);
+void blankAlien(unsigned int*);
+void moveAlien(unsigned int*);
+
+#endif /* ALIEN_H_ */
diff --git a/ecen427/alienDeathSound.c b/ecen427/alienDeathSound.c
new file mode 100644
index 0000000..189e045
--- /dev/null
+++ b/ecen427/alienDeathSound.c
@@ -0,0 +1,18 @@
+int alienDeathSound_soundData[] = {128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,144,164,145,111,95,91,100,106,126,134,108,109,123,160,158,118,101,144,189,110,79,154,202,117,16,96,208,187,65,100,192,175,93,0,106,253,137,17,140,242,103,1,134,255,134,4,110,230,118,1,149,255,89,6,160,255,110,0,60,177,255,81,27,207,170,43,61,200,179,23,104,245,112,11,102,210,217,39,73,237,114,29,57,173,255,91,0,145,255,138,10,62,171,252,84,0,172,244,46,47,207,190,74,0,141,255,147,16,65,191,215,30,84,224,163,78,0,128,255,124,0,149,255,102,0,138,249,169,63,0,166,255,62,24,195,229,33,78,224,163,70,0,145,255,100,0,161,255,92,0,163,255,95,0,134,246,191,77,0,125,255,130,0,88,198,226,95,0,122,255,158,43,53,213,178,21,99,214,200,49,39,198,214,75,0,131,255,134,6,104,219,179,18,105,251,104,4,106,228,204,45,51,185,247,76,0,178,244,39,52,199,220,85,0,105,255,182,35,99,254,96,0,118,207,243,84,0,137,255,124,0,140,253,121,43,19,162,255,147,15,60,180,255,62,26,196,222,91,0,135,255,96,0,178,255,76,6,179,255,80,0,166,255,108,0,110,255,92,0,122,228,215,57,24,181,252,75,0,118,255,134,1,133,214,188,65,0,163,255,95,0,143,255,126,34,48,193,255,65,22,208,201,50,31,209,199,42,70,190,251,57,11,190,221,87,0,140,255,129,27,88,209,202,54,28,186,251,94,0,144,255,82,4,190,255,60,19,202,220,42,55,212,186,35,78,221,169,27,95,213,189,75,0,146,255,113,0,169,255,83,0,118,241,164,25,107,202,212,79,0,133,255,153,42,62,216,164,7,148,229,154,54,0,185,255,65,9,197,232,54,34,189,244,80,0,113,238,210,40,90,214,159,51,2,197,218,59,31,192,255,70,8,168,255,122,0,117,235,92,7,130,234,188,16,124,229,121,46,15,178,255,104,0,142,255,87,0,156,254,131,25,100,212,183,64,6,164,255,107,8,97,179,255,99,0,121,229,155,44,87,214,181,60,35,175,255,119,15,50,167,255,98,0,171,241,113,14,97,238,127,19,159,252,91,0,162,251,126,21,102,212,172,62,15,174,255,90,0,163,229,169,49,14,189,231,78,0,147,255,127,31,120,221,148,36,86,227,127,20,131,215,195,38,70,205,178,66,0,167,255,103,5,139,215,175,73,0,176,255,122,15,104,213,164,68,0,179,255,73,22,197,245,65,0,175,255,88,0,167,242,116,39,41,198,242,67,12,171,255,105,0,149,224,142,29,88,195,198,63,0,192,241,66,10,180,255,90,0,177,250,63,24,191,236,85,0,135,247,98,29,134,222,197,50,52,200,209,58,19,196,230,59,20,175,255,103,0,158,239,80,0,148,209,206,71,0,192,234,56,28,189,255,85,0,149,237,135,51,38,174,255,92,0,145,211,150,63,7,189,255,61,17,184,255,119,21,52,182,240,63,0,190,245,86,4,126,229,169,62,55,195,246,55,13,192,243,65,0,181,251,118,42,38,187,255,68,0,186,255,131,45,29,182,255,83,0,148,211,187,81,0,181,255,84,9,158,240,91,11,181,249,99,19,117,229,107,33,121,215,206,38,87,213,153,47,47,211,177,32,119,225,128,24,145,236,91,31,121,208,215,61,0,181,255,85,2,165,228,99,28,92,213,194,39,108,211,164,66,0,189,255,109,42,53,202,227,62,20,179,255,99,20,97,192,219,59,1,190,255,84,23,83,186,255,62,0,191,236,66,0,193,242,59,28,208,212,56,30,181,255,65,8,198,221,46,31,204,203,42,63,213,176,53,49,194,251,60,6,167,246,92,19,133,199,211,60,0,170,252,126,32,104,209,149,41,81,204,192,42,74,218,159,49,73,193,250,78,0,170,235,67,15,177,252,87,31,126,195,243,68,0,180,230,64,8,158,242,130,40,109,191,223,64,0,170,228,151,47,38,200,213,63,0,152,243,167,39,124,222,105,54,43,190,255,57,14,175,235,142,28,91,194,171,46,23,201,240,69,7,143,239,145,34,157,238,79,41,86,190,255,59,0,191,234,112,40,43,197,248,57,3,194,255,70,17,191,232,83,13,107,209,190,54,41,209,217,52,25,205,239,54,20,192,251,113,29,43,190,253,52,0,145,235,165,34,133,224,116,33,94,212,165,33,99,230,109,23,182,233,110,32,106,218,148,30,128,232,86,15,191,240,96,42,73,201,252,45,6,208,238,53,0,157,247,130,41,104,190,243,42,0,176,222,140,44,6,201,255,57,0,169,216,175,49,16,217,203,32,72,213,185,45,51,226,176,36,89,201,250,69,0,177,227,53,21,152,245,149,39,94,200,250,59,0,134,216,146,27,144,224,121,45,46,214,240,31,64,225,157,40,91,205,206,43,16,212,254,75,0,160,236,78,37,118,215,215,35,68,209,196,46,2,209,241,60,1,174,249,80,38,139,213,221,43,0,182,242,134,20,100,205,161,49,5,209,255,44,34,223,219,44,21,187,255,64,25,136,225,168,15,134,204,139,34,36,210,219,50,6,216,237,34,58,209,222,53,0,188,230,140,36,65,227,142,41,86,218,211,29,82,218,165,37,51,206,239,34,3,220,214,41,33,203,255,54,4,172,232,98,25,145,212,137,28,93,209,173,42,23,224,207,27,94,219,179,50,6,198,255,97,26,149,222,92,34,103,212,212,39,27,211,252,69,0,160,225,89,30,132,219,163,37,75,218,195,39,36,228,196,32,84,226,152,25,130,209,151,39,48,228,167,40,69,209,251,38,22,214,224,35,2,170,241,104,26,161,204,178,41,0,207,250,90,23,118,224,112,33,144,222,137,51,53,206,254,55,4,183,214,132,46,5,213,255,42,30,172,231,167,32,45,213,202,17,86,227,113,49,85,213,252,29,32,229,189,40,32,191,254,83,13,165,220,73,35,108,222,208,34,63,219,213,35,14,195,235,137,43,0,201,255,45,34,159,229,161,30,83,220,162,41,54,205,248,38,19,177,224,170,31,25,226,198,31,71,215,236,38,0,206,237,52,31,216,217,34,22,218,249,74,16,156,222,62,28,216,241,68,17,142,220,89,19,191,227,81,42,84,207,255,35,0,180,207,157,33,51,223,180,38,42,226,230,23,63,222,188,40,9,205,255,66,45,107,209,252,26,0,213,227,84,18,140,213,132,51,24,208,255,65,39,213,222,40,26,115,215,242,27,21,224,225,48,11,155,229,123,47,119,220,168,23,121,212,129,46,25,204,255,77,29,170,206,124,46,24,202,255,63,37,208,219,46,17,166,223,91,35,179,228,70,41,135,215,214,22,20,230,192,28,83,214,191,30,32,227,207,30,71,229,169,40,61,199,248,70,19,153,205,123,42,78,221,193,22,104,209,169,42,6,215,246,58,41,203,218,46,17,192,221,73,41,135,227,154,45,75,202,242,59,12,173,201,45,44,149,232,171,40,72,208,230,27,10,215,203,38,45,217,226,30,31,217,210,36,26,202,223,134,45,34,227,213,32,65,221,194,36,47,198,231,115,24,93,197,170,32,54,228,179,44,56,198,238,128,44,39,213,227,23,44,218,212,46,20,163,220,104,61,101,212,245,43,26,106,201,236,30,15,213,218,55,46,122,214,203,24,73,215,163,37,66,224,174,42,69,198,235,92,42,84,200,226,27,23,212,209,65,38,151,217,98,45,188,210,94,61,70,210,242,65,47,73,203,247,27,38,145,206,219,30,16,155,224,152,44,116,203,177,37,28,198,227,82,47,153,199,123,44,103,219,130,42,169,197,120,52,41,188,239,80,49,181,206,68,45,163,196,166,35,37,227,180,41,92,221,170,41,101,211,172,46,40,199,223,53,60,138,218,182,27,106,201,130,49,49,188,234,115,46,137,203,88,49,174,196,119,53,65,210,210,31,32,194,214,72,51,198,199,50,43,167,208,79,50,188,205,85,49,136,193,160,43,33,217,220,79,55,103,206,199,36,49,219,189,41,76,213,198,36,38,183,216,99,62,89,202,234,47,40,167,198,94,45,182,194,90,60,69,214,218,44,77,210,188,33,45,139,213,205,36,50,217,191,42,43,185,215,90,69,100,204,220,34,61,208,186,41,37,168,206,128,57,113,205,172,41,68,220,163,50,83,206,215,48,41,162,194,124,62,70,190,224,65,59,205,184,41,52,208,199,61,49,145,202,112,61,147,202,142,47,105,204,147,45,100,207,156,47,89,206,176,33,106,205,116,64,85,197,218,62,59,124,200,179,33,92,207,137,49,110,194,170,40,59,219,168,47,93,206,186,39,52,149,213,184,37,66,209,191,45,42,202,184,50,73,133,224,186,35,112,191,150,45,42,201,206,70,62,160,194,118,60,105,207,172,46,67,205,195,44,72,206,181,44,49,181,200,107,66,116,198,174,43,51,164,216,121,51,175,179,89,61,95,210,158,53,100,205,186,39,51,169,206,119,65,88,183,211,59,60,200,176,59,61,116,203,190,41,75,212,177,46,59,197,196,65,68,164,195,105,57,168,181,87,66,109,201,191,40,51,192,194,120,64,80,205,203,50,54,195,182,79,73,99,210,190,50,83,203,192,45,56,174,188,86,65,196,176,46,79,208,169,49,68,193,198,100,70,84,202,199,44,65,125,207,181,51,81,200,190,47,60,172,184,84,67,188,185,84,65,144,195,107,73,111,194,206,60,61,149,184,111,60,167,177,104,69,80,206,192,58,79,199,173,55,83,140,205,175,29,47,181,184,78,83,102,195,204,54,73,107,198,187,47,78,144,205,130,60,94,189,193,66,65,114,196,152,52,135,182,137,58,68,207,196,78,69,154,182,93,73,157,187,104,77,103,182,207,69,72,192,170,64,63,166,177,90,85,105,188,204,67,75,198,171,64,76,104,198,203,65,73,121,190,177,43,72,157,197,167,50,65,202,164,66,88,145,210,138,63,95,184,190,74,68,111,191,184,42,71,201,172,57,82,149,198,174,47,64,187,180,71,87,193,159,56,82,195,173,62,82,184,179,75,75,156,184,104,69,148,181,105,74,116,192,178,50,72,168,183,97,76,139,178,150,51,92,196,153,55,80,195,183,65,87,195,147,66,89,167,191,104,76,108,191,162,53,82,189,178,67,79,117,194,189,48,70,150,185,116,69,161,166,107,78,89,196,185,57,86,192,164,62,82,169,182,96,76,157,170,121,65,114,189,117,78,108,171,197,116,60,115,180,125,71,97,189,181,60,89,195,162,63,76,149,184,120,70,162,168,80,84,155,184,105,80,110,175,184,68,83,150,177,152,49,71,187,175,96,79,97,184,181,71,84,170,171,86,84,131,192,167,52,77,167,178,111,75,91,179,185,87,81,141,179,114,83,109,173,188,85,82,112,186,170,55,91,192,163,60,78,157,181,109,84,138,185,149,61,83,171,182,117,74,88,193,174,67,86,120,191,180,52,85,168,174,90,82,180,156,85,85,111,193,164,65,99,173,176,107,71,96,187,162,65,98,184,163,72,90,185,165,72,83,156,175,123,73,116,189,133,80,115,188,159,59,86,133,197,157,63,109,182,157,58,82,157,178,121,75,92,149,194,131,68,87,159,182,106,77,121,179,135,74,107,180,160,65,91,169,169,104,78,99,179,173,73,95,185,160,74,89,128,182,163,57,93,190,159,70,86,175,159,82,98,146,186,153,63,83,180,166,86,88,144,171,121,82,106,184,164,74,93,157,171,104,84,129,181,148,64,92,138,192,166,55,87,184,152,70,93,159,176,105,88,155,160,114,80,124,181,122,82,127,179,150,66,88,173,171,87,94,151,171,133,69,106,185,131,77,103,141,197,137,73,127,167,132,70,86,163,177,105,89,134,171,133,74,106,186,143,77,105,172,166,79,88,142,170,122,80,105,146,190,135,71,95,174,156,73,98,126,186,159,65,90,141,178,139,75,101,173,156,74,98,156,168,123,75,115,176,143,69,101,185,145,75,106,183,149,75,97,160,164,96,96,167,154,101,82,140,166,100,100,119,159,179,92,94,130,176,155,63,86,157,164,104,92,133,175,143,72,102,170,150,85,99,163,165,100,91,112,149,185,117,80,129,162,111,87,140,164,111,92,142,163,128,78,113,176,141,76,98,173,162,106,91,114,179,148,74,105,163,163,100,89,145,153,99,100,136,177,127,86,114,138,184,137,69,94,163,160,93,99,122,177,156,72,94,150,164,109,96,136,171,131,82,105,147,175,105,91,151,150,104,96,107,146,184,118,88,144,152,108,95,119,177,149,72,102,124,176,165,84,96,136,165,130,80,108,171,151,82,104,141,170,133,83,103,150,172,130,81,100,169,157,98,99,113,169,159,85,107,150,162,120,87,112,171,151,77,103,169,144,93,102,139,178,124,94,115,133,181,134,77,102,162,153,93,95,114,166,150,80,105,145,163,114,90,146,147,100,101,131,171,138,79,107,128,178,152,78,95,135,163,130,86,115,167,143,88,108,154,158,117,89,108,170,153,89,102,152,148,112,99,113,173,146,90,109,143,170,121,89,108,143,171,130,82,108,170,139,80,107,130,173,158,85,106,127,169,153,80,101,148,154,109,100,136,160,121,94,117,163,147,93,105,145,160,110,100,119,160,157,96,103,117,168,147,81,105,139,165,136,86,103,158,154,101,105,147,156,115,98,116,156,153,91,107,161,145,93,109,116,147,174,106,106,118,138,168,107,95,137,149,116,96,114,163,148,93,107,133,163,139,83,105,160,147,96,110,153,146,105,105,117,141,173,133,84,113,163,132,86,109,126,165,149,97,108,127,166,146,81,108,146,138,103,107,153,144,104,109,132,164,130,97,116,152,149,102,106,129,164,137,83,105,141,160,125,96,110,140,167,121,101,116,155,145,94,108,135,159,132,88,108,138,165,130,94,118,160,137,91,108,138,156,130,97,114,160,143,91,112,150,141,102,109,150,145,104,108,150,142,109,108,127,163,136,91,110,134,161,132,96,112,148,149,111,101,130,153,125,99,113,137,168,136,90,108,143,152,115,106,125,153,138,93,122,154,127,99,125,158,119,103,116,138,167,122,97,115,149,145,105,108,136,146,113,109,118,133,172,133,93,109,139,150,113,108,134,147,128,97,112,151,147,105,115,126,142,153,107,107,122,148,147,101,108,130,153,127,101,120,148,139,106,113,127,160,139,97,109,136,152,123,105,126,154,138,94,111,139,149,123,105,119,152,143,106,110,135,146,122,105,118,153,143,108,113,116,145,145,105,111,124,153,135,93,114,150,134,102,117,124,148,150,109,112,123,151,138,96,112,124,152,142,105,112,125,154,133,102,116,126,154,145,108,111,115,141,150,110,116,122,133,158,115,111}; // Sound data
+int alienDeathSound_numberOfSamples = 3077;
+
+int alienMovement1Sound_soundData[]={122,110,99,88,76,71,65,68,74,82,91,105,110,125,130,141,153,161,170,175,181,184,188,188,188,188,188,188,188,188,187,187,181,178,173,170,164,161,156,153,144,139,136,127,125,122,119,113,110,102,102,96,96,91,91,91,96,102,108,105,108,110,105,102,93,88,82,76,68,62,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,62,68,74,79,88,91,99,102,110,116,122,125,130,136,144,147,156,161,167,170,175,178,184,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,184,178,175,173,173,167,161,158,153,141,127,116,102,91,82,79,76,79,82,88,93,102,108,113,119,122,127,130,133,136,141,141,141,144,141,139,136,136,133,130,125,125,122,119,113,110,102,99,93,88,82,79,74,68,62,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,68,74,82,91,99,108,116,125,130,139,147,150,158,167,173,181,187,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,187,178,164,150,136,125,116,110,110,113,116,122,125,130,136,144,150,156,161,161,167,170,173,173,175,173,173,173,167,167,164,161,156,153,147,141,136,130,125,122,113,108,105,99,93,88,82,74,74,68,61,61,61,61,61,61,61,61,62,65,65,62,62,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,62,68,74,82,91,96,102,110,119,125,130,136,141,150,156,161,167,170,175,184,187,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,187,184,181,178,173,170,167,158,147,130,122,110,99,96,93,93,96,102,108,113,119,125,130,136,141,147,153,156,158,158,161,158,161,158,158,156,150,147,144,141,136,130,125,125,119,113,110,102,96,91,85,79,74,71,65,61,61,61,61,61,61,61,61,61,61,61,62,62,62,62,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,61,68,76,82,91,96,108,110,119,125,130,139,147,153,158,164,173,178,184,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,187,187,181,173,164,147,133,125,113,105,102,105,102,108,116,122,125,133,139,147,150,156,164,164,167,170,170,173,173,167,164,161,156,153,150,144,139,136,130,125,125,116,110,105,99,96,88,82,79,74,69,63,61,61,61,62,62,62,62,62,62,63,66,66,69,66,63,62,62,62,62,62,63,63,63,63,63,63,64,64,64,64,64,64,65,65,65,65,65,66,66,66,66,66,66,66,67,74,80,88,97,102,111,116,125,131,136,145,150,155,161,170,175,181,186,192,193,193,193,193,193,193,192,192,192,192,192,192,191,191,191,191,191,190,190,190,190,190,189,189,189,189,189,189,188,188,188,188,188,187,187,187,187,187,187,187,187,185,182,179,173,171,168,165,162,156,154,151,148,145,143,137,134,131,129};
+int alienMovement1Sound_numberOfSamples =809;
+int alienMovement1Sound_sampleRate=8;
+
+int alienMovement2Sound_soundData[]={127,119,110,96,88,76,74,71,76,82,90,99,113,119,130,138,150,158,164,175,178,184,186,189,192,194,192,192,192,189,189,186,184,178,175,170,167,164,158,155,150,147,138,136,133,127,124,119,116,110,107,102,99,93,96,99,99,105,107,113,113,110,113,107,102,96,90,85,79,68,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,68,74,79,82,90,96,102,105,113,122,127,130,136,141,150,155,161,167,170,175,178,184,186,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,189,184,184,181,178,172,172,167,164,164,158,155,150,147,144,141,141,136,133,130,127,124,122,119,116,113,113,107,107,105,105,99,99,96,88,76,66,66,66,66,66,66,66,66,66,66,66,66,74,79,88,96,105,107,116,119,124,124,130,130,130,130,130,130,127,124,122,119,116,119,113,110,107,105,99,96,90,88,85,82,79,76,74,71,68,68,66,66,66,68,71,79,85,90,90,90,90,88,85,79,74,71,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,68,74,79,85,90,96,102,110,119,124,130,136,141,150,155,164,170,175,184,189,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,192,186,186,184,178,172,170,164,164,158,153,150,147,144,141,136,133,133,130,130,124,122,119,119,113,110,102,88,74,66,66,66,66,66,66,66,66,66,66,71,79,85,93,102,107,113,119,122,124,124,127,127,127,130,127,127,124,124,122,122,116,110,107,105,102,99,93,88,88,82,76,74,68,66,66,66,66,66,66,66,66,66,66,68,71,74,76,74,76,71,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,68,74,79,88,93,102,110,116,122,127,133,141,147,153,161,167,172,178,184,189,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,189,186,184,178,175,172,170,167,161,158,155,153,150,144,144,141,136,130,130,130,127,124,122,119,116,113,113,110,99,88,74,66,66,66,66,66,66,66,66,68,74,82,90,99,107,113,119,124,130,133,136,138,141,141,138,141,138,136,136,133,130,124,122,116,113,107,107,105,96,93,90,88,85,79,74,74,71,68,66,66,66,66,66,68,74,79,82,88,88,85,85,82,76,74,68,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,68,74,82,88,90,99,105,113,119,127,130,138,144,150,158,164,170,175,181,186,192,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,194,193,193,193,193,193,193,192,192,192,192,192,192,192,190,187,182,179,176,173,170,168,165,162,156,153,153,151,142,140,140,134,129,129};
+int alienMovement2Sound_numberOfSamples=725;
+
+int alienMovement3Sound_soundData[] ={134,134,128,117,105,97,85,80,74,80,85,94,102,114,122,134,139,150,159,165,173,179,184,190,196,196,196,197,197,196,196,196,190,190,184,182,176,173,170,162,162,156,150,145,142,134,134,131,125,119,117,111,108,102,100,97,97,105,105,111,114,117,117,117,111,108,102,100,88,85,77,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,71,74,80,83,91,97,102,105,114,119,128,131,136,142,148,153,159,162,167,173,179,184,187,193,196,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,196,193,190,187,182,179,179,173,170,167,165,162,159,156,153,150,148,142,139,142,136,134,134,131,128,128,122,122,117,117,114,111,108,108,102,102,100,100,97,97,94,91,91,88,88,85,85,83,83,77,71,70,70,70,70,70,70,70,70,70,70,70,70,70,80,88,97,105,111,117,122,125,131,134,136,136,139,136,139,139,139,136,139,134,134,134,128,128,125,125,119,114,117,111,108,105,102,100,100,94,91,88,85,88,91,97,105,108,114,117,117,114,114,108,105,100,97,91,85,80,77,71,70,70,70,70,70,70,70,70,70,70,71,71,77,80,85,91,94,100,105,111,119,125,131,134,139,145,153,159,165,170,176,182,187,193,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,196,190,187,182,179,179,173,170,167,165,159,159,153,148,145,142,139,136,134,131,128,128,122,119,117,117,111,105,108,105,100,97,97,94,91,88,85,83,83,83,80,77,71,70,70,70,70,70,70,70,70,70,70,70,70,70,70,77,85,94,100,108,114,117,119,122,128,128,131,131,134,131,131,128,128,125,122,119,117,114,111,108,102,100,97,94,94,88,85,83,80,77,74,71,70,71,70,74,83,85,91,94,97,94,94,91,85,83,77,71,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,77,80,85,91,97,102,111,117,122,131,134,142,148,153,162,165,173,179,184,190,196,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,197,196,190,187,184,182,179,173,170,167,165,162,159,159,153,150,148,142,139,136,134,136,134,128,125,125,122,117,114,108,105,102,100,100,97,97,94,94,91,91,88,85,83,80,71,70,70,70,70,70,70,70,70,70,70,70,70,77,83,94,102,111,117,125,131,134,134,136,136,139,139,142,139,142,139,139,136,134,134,128,128,125,119,117,114,111,111,105,100,97,94,91,88,85,83,80,83,80,83,91,94,100,102,102,102,105,102,97,94,91,85,80,74,71,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,74,80,83,91,94,100,108,114,122,128,134,136,142,150,156,164,170,175,178,183,189,195,196,196,196,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,195,194,194,194,194,194,194,194,194,194,193,192,189,186,183,177,174,171,166,162,157,157,154,148,145,143,139,136,134,128,128};
+int alienMovement3Sound_numberOfSamples=763;
+
+int alienMovement4Sound_soundData[] ={133,133,135,135,133,135,133,127,116,104,96,84,79,76,79,84,96,104,113,124,133,144,149,161,169,178,181,189,189,195,196,196,196,196,196,196,195,192,192,186,183,178,175,169,166,161,155,149,147,141,138,133,130,124,121,116,110,107,104,101,96,99,101,107,110,116,116,116,113,113,104,99,93,87,79,73,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,70,79,84,90,96,99,107,116,121,127,130,135,141,147,149,158,164,166,175,178,183,189,192,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,192,189,186,186,181,175,172,169,166,161,161,155,155,149,147,144,141,135,133,133,130,130,127,121,121,118,116,113,113,107,107,101,101,99,99,93,90,84,84,82,82,79,82,79,76,79,76,76,76,73,73,76,73,73,73,73,70,70,73,73,73,70,69,69,69,69,69,69,69,69,69,69,69,69,69,76,87,96,107,116,124,133,135,141,147,149,155,155,161,164,164,161,164,161,161,161,155,155,152,152,147,147,141,135,133,133,130,130,124,121,116,116,113,107,104,104,107,113,118,124,130,130,133,130,127,124,121,116,110,104,99,93,87,84,84,79,76,73,73,70,70,70,73,70,76,79,79,84,87,90,96,101,107,113,118,124,130,133,141,147,149,158,164,166,175,181,183,189,195,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,195,192,186,183,178,175,172,169,164,164,158,152,149,147,141,138,133,133,130,127,124,118,116,113,110,107,104,101,99,99,96,93,90,90,84,84,82,82,79,76,73,73,70,69,70,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,79,87,99,107,116,121,127,133,133,135,138,141,144,144,147,144,144,141,141,138,135,133,133,130,127,124,121,118,116,113,110,107,104,101,99,93,93,90,90,90,96,101,107,116,116,118,118,116,113,107,101,96,90,84,82,76,70,69,69,69,69,69,69,69,69,69,69,69,69,70,73,79,82,87,93,99,107,110,116,124,130,133,138,144,152,158,164,169,178,183,189,192,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,195,192,189,186,183,178,175,172,169,166,161,158,155,149,147,144,141,141,135,133,133,127,124,118,116,113,110,107,104,101,99,99,96,93,90,90,84,84,82,82,79,76,73,73,70,69,70,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,69,79,87,99,107,116,121,127,133,133,135,138,141,144,144,147,144,144,141,141,138,135,133,133,130,127,124,121,118,116,113,110,107,104,101,99,93,93,90,90,90,96,101,107,116,116,118,118,116,113,107,101,96,90,84,82,76,70,69,69,69,69,69,69,69,69,69,69,69,69,70,73,79,82,87,93,99,107,110,116,124,130,133,138,144,152,158,164,169,178,183,189,192,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,196,195,192,189,186,183,178,175,172,169,166,161,158,155,149,147,144,141,141,135,133,133,127};
+int alienMovement4Sound_numberOfSamples=818;
+
+int alienSilenceSound_soundData[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+int alienSilenceSound_numberOfSamples=40;
diff --git a/ecen427/bullet.c b/ecen427/bullet.c
new file mode 100644
index 0000000..1f892cb
--- /dev/null
+++ b/ecen427/bullet.c
@@ -0,0 +1,226 @@
+#include "bullet.h"
+
+void renderBullet(unsigned int* framePointer) {
+	if(getGuiseBullet() == 0) {
+		setGuiseBullet(1);
+		renderBullet1(framePointer);
+	}else {
+		setGuiseBullet(0);
+		renderBullet2(framePointer);
+	}
+}
+
+void renderBullet1(unsigned int* framePointer) {
+	if(getTankBulletState() == 1) {
+		short initial_x = getTankBulletPositionX();
+		short initial_y = getTankBulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((tankBullet[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien1BulletState() == 1) {
+		short initial_x = getAlien1BulletPositionX();
+		short initial_y = getAlien1BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet1_1[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien2BulletState() == 1) {
+		short initial_x = getAlien2BulletPositionX();
+		short initial_y = getAlien2BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet2_1[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien3BulletState() == 1) {
+		short initial_x = getAlien3BulletPositionX();
+		short initial_y = getAlien3BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet3_1[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien4BulletState() == 1) {
+		short initial_x = getAlien4BulletPositionX();
+		short initial_y = getAlien4BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet1_1[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+}
+
+void renderBullet2(unsigned int* framePointer) {
+	if(getTankBulletState() == 1) {
+		short initial_x = getTankBulletPositionX();
+		short initial_y = getTankBulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((tankBullet[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien1BulletState() == 1) {
+		short initial_x = getAlien1BulletPositionX();
+		short initial_y = getAlien1BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet1_2[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien2BulletState() == 1) {
+		short initial_x = getAlien2BulletPositionX();
+		short initial_y = getAlien2BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet2_2[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien3BulletState() == 1) {
+		short initial_x = getAlien3BulletPositionX();
+		short initial_y = getAlien3BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet3_2[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien4BulletState() == 1) {
+		short initial_x = getAlien4BulletPositionX();
+		short initial_y = getAlien4BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet1_2[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+}
+
+void blankTankBullet(unsigned int* framePointer){
+	short tankx, tanky;
+    tankx = getTankBulletPositionX();
+    tanky = getTankBulletPositionY();
+	short row=0, col=0;
+	for(row = 0; row < BLOCK_HEIGHT; row++){
+		for(col = 0; col < BLOCK_WIDTH; col++){
+			framePointer[(tanky+row)*640 + tankx+col] = 0x00000000;
+		}
+	}
+}
+
+void blankAlienBullet(unsigned int* framePointer, short alienx, short alieny) {
+	short row=0, col=0;
+	for(row = 0; row < BLOCK_HEIGHT; row++){
+		for(col = 0; col < BLOCK_WIDTH; col++){
+			framePointer[(alieny+row)*640 + alienx+col] = 0x00000000;
+		}
+	}
+}
+
+void moveBullets(unsigned int* framePointer) {
+	if(getTankBulletState() == 1) {
+		if(getTankBulletPositionY() == 30) {
+			blankTankBullet(framePointer);
+			setTankBulletState(0);
+		}
+		else {
+			setTankBulletPositionY(getTankBulletPositionY()-1);
+		}
+	}
+	if(getAlien1BulletState() == 1) {
+		if(getAlien1BulletPositionY() == 450) {
+			blankAlienBullet(framePointer, getAlien1BulletPositionX(), getAlien1BulletPositionY());
+			setAlien1BulletState(0);
+		}
+		else {
+			setAlien1BulletPositionY(getAlien1BulletPositionY()+1);
+		}
+	}
+	if(getAlien2BulletState() == 1) {
+		if(getAlien2BulletPositionY() == 450) {
+			blankAlienBullet(framePointer, getAlien2BulletPositionX(), getAlien2BulletPositionY());
+			setAlien2BulletState(0);
+		}
+		else {
+			setAlien2BulletPositionY(getAlien2BulletPositionY()+1);
+		}
+	}
+	if(getAlien3BulletState() == 1) {
+		if(getAlien3BulletPositionY() == 450) {
+			blankAlienBullet(framePointer, getAlien3BulletPositionX(), getAlien3BulletPositionY());
+			setAlien3BulletState(0);
+		}
+		else {
+			setAlien3BulletPositionY(getAlien3BulletPositionY()+1);
+		}
+	}
+	if(getAlien4BulletState() == 1) {
+		if(getAlien4BulletPositionY() == 450) {
+			blankAlienBullet(framePointer, getAlien4BulletPositionX(), getAlien4BulletPositionY());
+			setAlien4BulletState(0);
+		}
+		else {
+			setAlien4BulletPositionY(getAlien4BulletPositionY()+1);
+		}
+	}
+}
diff --git a/ecen427/bullet.h b/ecen427/bullet.h
new file mode 100644
index 0000000..732ab52
--- /dev/null
+++ b/ecen427/bullet.h
@@ -0,0 +1,109 @@
+#ifndef BULLET_H_
+#define BULLET_H_
+
+#define BLOCK_HEIGHT 10
+#define BLOCK_WIDTH 6
+#define packWord24(b5,b4,b3,b2,b1,b0) \
+((b5  << 5 ) | (b4  << 4 ) | (b3  << 3 ) | (b2  << 2 ) | (b1  << 1 ) | (b0  << 0 ))
+
+int alienBullet1_1[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(1,1,1,1,1,1),
+		packWord24(1,1,1,1,1,1),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,0,0,0),
+};
+
+int alienBullet1_2[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(1,1,1,1,1,1),
+		packWord24(1,1,1,1,1,1),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,0,0,0),
+};
+
+int alienBullet2_1[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(0,0,0,0,1,1),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,0,0,1,1),
+		packWord24(0,0,0,0,0,0),
+};
+
+int alienBullet2_2[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,0,0,1,1),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(0,0,0,0,0,0),
+};
+
+int alienBullet3_1[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(1,1,0,0,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(1,1,0,0,0,0),
+		packWord24(0,0,0,0,0,0),
+};
+
+int alienBullet3_2[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(1,1,0,0,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(1,1,0,0,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,0,0,0,0),
+};
+
+int tankBullet[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,0,0,0),
+};
+
+void renderBullet(unsigned int*);
+void moveBullets(unsigned int*);
+#endif /* BULLET_H_ */
diff --git a/ecen427/bunker.c b/ecen427/bunker.c
new file mode 100644
index 0000000..16695e7
--- /dev/null
+++ b/ecen427/bunker.c
@@ -0,0 +1,638 @@
+#include "bunker.h"
+#include "stdlib.h"
+#include "xintc_l.h"        // Provides handy macros for the interrupt controller.
+
+int x_y[4] = {BUNKER1_X, BUNKER2_X, BUNKER3_X, BUNKER4_X};
+int initial_x = 70;
+int initial_y = 300;
+int tank_y_position = 420;
+
+void renderBunker(unsigned int* framePointer) {		// draw for the first time
+	short x=0, y=0;
+
+	int i,j;
+	for(j = 0; j < 4; j++) {
+		initial_x = x_y[j];
+		for(i=0; i<10; i++){
+			switch(i){
+			case 0:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_left0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x)*640 + initial_x+y] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+						}
+					}
+				}
+				break;
+			case 1:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_normal0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x)*640 + initial_x+y+BLOCK_WIDTH] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x)*640 + initial_x+y+BLOCK_WIDTH] = 0x00000000;
+						}
+					}
+				}
+				break;
+			case 2:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_normal0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x)*640 + initial_x+y+BLOCK_WIDTH*2] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x)*640 + initial_x+y+BLOCK_WIDTH*2] = 0x00000000;
+						}
+					}
+				}
+				break;
+
+			case 3:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_right0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x)*640 + initial_x+y+BLOCK_WIDTH*3] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x)*640 + initial_x+y+BLOCK_WIDTH*3] = 0x00000000;
+						}
+					}
+				}
+
+				break;
+			case 4:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_normal0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y] = 0x00000000;
+						}
+					}
+				}
+				break;
+			case 5:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_center_left0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y+BLOCK_WIDTH] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y+BLOCK_WIDTH] = 0x00000000;
+						}
+					}
+				}
+				break;
+			case 6:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_center_right0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y+BLOCK_WIDTH*2] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y+BLOCK_WIDTH*2] = 0x00000000;
+						}
+					}
+				}
+				break;
+			case 7:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_normal0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y+BLOCK_WIDTH*3] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y+BLOCK_WIDTH*3] = 0x00000000;
+						}
+					}
+				}
+				break;
+
+			case 8:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_normal0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x+BLOCK_HEIGHT*2)*640 + initial_x+y] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x+BLOCK_HEIGHT*2)*640 + initial_x+y] = 0x00000000;
+						}
+					}
+				}
+				break;
+			case 9:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_normal0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x+BLOCK_HEIGHT*2)*640 + initial_x+y+BLOCK_WIDTH*3] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x+BLOCK_HEIGHT*2)*640 + initial_x+y+BLOCK_WIDTH*3] = 0x00000000;
+						}
+					}
+				}
+				break;
+			default :
+
+				break;
+			}
+		}
+	}
+}
+
+void erodeBunker(unsigned int* framePointer, int which_bunker, int which_block){
+	//	int which_block = rand()%10;
+	short* bunker;
+	int i, j;
+	int block_row, block_col;
+	switch(which_bunker){ 		// select a bunker that I want to erode
+	case 0:
+		bunker = getBunker1();
+		break;
+	case 1:
+		bunker = getBunker2();
+		break;
+	case 2:
+		bunker = getBunker3();
+		break;
+	case 3:
+		bunker = getBunker4();
+		break;
+	default :
+		break;
+	}
+
+	switch(which_block){ 		// 'block_row, block_col' are used to calculate to find out the position of framePointer
+	case 0:
+		block_row = 0;
+		block_col = 0;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+		break;
+	case 1:
+		block_row = 0;
+		block_col = 1;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 2:
+		block_row = 0;
+		block_col = 2;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 3:
+		block_row = 0;
+		block_col = 3;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 4:
+		block_row = 1;
+		block_col = 0;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 5:
+		block_row = 1;
+		block_col = 1;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 6:
+		block_row = 1;
+		block_col = 2;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 7:
+		block_row = 1;
+		block_col = 3;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 8:
+		block_row = 2;
+		block_col = 0;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 9:
+		block_row = 2;
+		block_col = 3;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+
+	default :
+
+		break;
+	}
+
+}
+// This function runs first to make a block empty, and then draw an eroded block by 'updateBlock()' function
+void blankBlock(unsigned int* framePointer, int which_bunker, int which_block, int block_row, int block_col){
+	int i, j;
+	initial_x = x_y[which_bunker];
+	for(i = 0; i < BLOCK_HEIGHT; i++){
+		for(j = 0; j < BLOCK_WIDTH; j++){
+			framePointer[(initial_y+i+BLOCK_HEIGHT*block_row)*640 + initial_x+j+BLOCK_WIDTH*block_col] = 0x00000000;
+		}
+	}
+}
+
+void updateBlock(unsigned int* framePointer, int which_bunker, int which_block, int block_row, int block_col, short* bunker){
+	int i, j;
+	initial_x = x_y[which_bunker];
+
+	int* which_state;
+
+	if(bunker[which_block]==0){ 		// depending on the block selected and bunker status, 'which_state' points to a pre-defined eroded block
+		bunker[which_block] = 1;
+		if(which_block == 0){
+			which_state = block_left1;
+		}
+		else if(which_block == 1 || which_block == 2 || which_block == 4 || which_block == 7 || which_block == 8 || which_block == 9){
+			which_state = block_normal1;
+		}
+		else if(which_block == 3){
+			which_state = block_right1;
+		}
+		else if(which_block == 5){
+			which_state = block_center_left1;
+		}
+		else if(which_block == 6){
+			which_state = block_center_right1;
+		}
+	}
+	else if(bunker[which_block]==1){
+		bunker[which_block] = 2;
+		if(which_block == 0){
+			which_state = block_left2;
+		}
+		else if(which_block == 1 || which_block == 2 || which_block == 4 || which_block == 7 || which_block == 8 || which_block == 9){
+			which_state = block_normal2;
+		}
+		else if(which_block == 3){
+			which_state = block_right2;
+		}
+		else if(which_block == 5){
+			which_state = block_center_left2;
+		}
+		else if(which_block == 6){
+			which_state = block_center_right2;
+		}
+	}
+	else if(bunker[which_block]==2){
+		bunker[which_block] = 3;
+		if(which_block == 0){
+			which_state = block_left3;
+		}
+		else if(which_block == 1 || which_block == 2 || which_block == 4 || which_block == 7 || which_block == 8 || which_block == 9){
+			which_state = block_normal3;
+		}
+		else if(which_block == 3){
+			which_state = block_right3;
+		}
+		else if(which_block == 5){
+			which_state = block_center_left3;
+		}
+		else if(which_block == 6){
+			which_state = block_center_right3;
+		}
+	}
+	else{
+		bunker[which_block] = 4;
+		which_state = empty;
+	}
+
+	for(i = 0; i < BLOCK_HEIGHT; i++){
+		for(j = 0; j < BLOCK_WIDTH; j++){
+			if ((which_state[i%16] & (1<<(BLOCK_WIDTH-1-j)))) {
+				framePointer[(initial_y+i+BLOCK_HEIGHT*block_row)*640 + initial_x+j+BLOCK_WIDTH*block_col] = 0x0000FF00;
+			} else {
+				framePointer[(initial_y+i+BLOCK_HEIGHT*block_row)*640 + initial_x+j+BLOCK_WIDTH*block_col] = 0x00000000;
+			}
+		}
+	}
+}
+void selectBlock(unsigned int* framePointer, int bullet){
+	int bullet_x;
+	int bullet_y;
+	short hit = 0;
+	short* bunker;
+	int counter=0;
+	short dying = 0;
+	int gameover = 0;
+
+	switch(bullet){
+	case 1:
+		bullet_x = getAlien1BulletPositionX()+3;
+		bullet_y = getAlien1BulletPositionY()+10;
+		break;
+	case 2:
+		bullet_x = getAlien2BulletPositionX()+3;
+		bullet_y = getAlien2BulletPositionY()+10;
+		break;
+	case 3:
+		bullet_x = getAlien3BulletPositionX()+3;
+		bullet_y = getAlien3BulletPositionY()+10;
+		break;
+	case 4:
+		bullet_x = getAlien4BulletPositionX()+3;
+		bullet_y = getAlien4BulletPositionY()+10;
+		break;
+	case 5:
+		bullet_x = getTankBulletPositionX()+3;
+		bullet_y = getTankBulletPositionY();
+	default:
+		break;
+	}
+
+	if(bullet_x >= BUNKER1_X-3 && bullet_x < BUNKER1_X+64+3){
+		bunker = getBunker1();
+		if(bullet_y > initial_y && bullet_y < initial_y+16){
+			if(bullet_x >= BUNKER1_X-3 && bullet_x < BUNKER1_X+16 && bunker[0] != 4){
+				erodeBunker(framePointer, 0, 0);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+16 && bullet_x < BUNKER1_X+32 && bunker[1] != 4){
+				erodeBunker(framePointer, 0, 1);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+32 && bullet_x < BUNKER1_X+48 && bunker[2] != 4){
+				erodeBunker(framePointer, 0, 2);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+48 && bullet_x < BUNKER1_X+64+3 && bunker[3] != 4){
+				erodeBunker(framePointer, 0, 3);
+				hit = 1;
+			}
+		}
+		if(bullet_y>initial_y+16 && bullet_y<initial_y+32){
+			if(bullet_x >= BUNKER1_X-3 && bullet_x < BUNKER1_X+16 && bunker[4] != 4){
+				erodeBunker(framePointer, 0, 4);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+16 && bullet_x < BUNKER1_X+32 && bunker[5] != 4){
+				erodeBunker(framePointer, 0, 5);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+32 && bullet_x < BUNKER1_X+48 && bunker[6] != 4){
+				erodeBunker(framePointer, 0, 6);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+48 && bullet_x < BUNKER1_X+64+3 && bunker[7] != 4){
+				erodeBunker(framePointer, 0, 7);
+				hit = 1;
+			}
+		}
+		if(bullet_y>initial_y+32 && bullet_y<initial_y+48){
+			if(bullet_x >= BUNKER1_X-3 && bullet_x<BUNKER1_X+16 && bunker[8] != 4){
+				erodeBunker(framePointer, 0, 8);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+48 && bullet_x<BUNKER1_X+64+3 && bunker[9] != 4){
+				erodeBunker(framePointer, 0, 9);
+				hit = 1;
+			}
+		}
+
+	}
+
+	if(bullet_x > BUNKER2_X-3 && bullet_x < BUNKER2_X+64+3){
+		bunker = getBunker2();
+		if(bullet_y>initial_y && bullet_y<initial_y+16){
+			if(bullet_x >= BUNKER2_X-3 && bullet_x<BUNKER2_X+16 && bunker[0] != 4){
+				erodeBunker(framePointer, 1, 0);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+16 && bullet_x<BUNKER2_X+32 && bunker[1] != 4){
+				erodeBunker(framePointer, 1, 1);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+32 && bullet_x<BUNKER2_X+48 && bunker[2] != 4){
+				erodeBunker(framePointer, 1, 2);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+48 && bullet_x<BUNKER2_X+64+3 && bunker[3] != 4){
+				erodeBunker(framePointer, 1, 3);
+				hit = 1;
+			}
+		}
+		if(bullet_y>initial_y+16 && bullet_y<initial_y+32){
+			if(bullet_x >= BUNKER2_X-3 && bullet_x<BUNKER2_X+16 && bunker[4] != 4){
+				erodeBunker(framePointer, 1, 4);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+16 && bullet_x<BUNKER2_X+32 && bunker[5] != 4){
+				erodeBunker(framePointer, 1, 5);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+32 && bullet_x<BUNKER2_X+48 && bunker[6] != 4){
+				erodeBunker(framePointer, 1, 6);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+48 && bullet_x<BUNKER2_X+64+3 && bunker[7] != 4){
+				erodeBunker(framePointer, 1, 7);
+				hit = 1;
+			}
+		}
+		if(bullet_y>initial_y+32 && bullet_y<initial_y+48){
+			if(bullet_x >= BUNKER2_X-3 && bullet_x<BUNKER2_X+16 && bunker[8] != 4){
+				erodeBunker(framePointer, 1, 8);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+48 && bullet_x<BUNKER2_X+64+3 && bunker[9] != 4){
+				erodeBunker(framePointer, 1, 9);
+				hit = 1;
+			}
+		}
+
+	}
+
+	if(bullet_x > BUNKER3_X-3 && bullet_x < BUNKER3_X+64+3){
+		bunker = getBunker3();
+		if(bullet_y>initial_y && bullet_y<initial_y+16){
+			if(bullet_x >= BUNKER3_X-3 && bullet_x<BUNKER3_X+16 && bunker[0] != 4){
+				erodeBunker(framePointer, 2, 0);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER3_X+16 && bullet_x<BUNKER3_X+32 && bunker[1] != 4){
+				erodeBunker(framePointer, 2, 1);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER3_X+32 && bullet_x<BUNKER3_X+48 && bunker[2] != 4){
+				erodeBunker(framePointer, 2, 2);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER3_X+48 && bullet_x<BUNKER3_X+64+3 && bunker[3] != 4){
+				erodeBunker(framePointer, 2, 3);
+				hit = 1;
+			}
+		}
+		if(bullet_y>initial_y+16 && bullet_y<initial_y+32){
+			if(bullet_x >= BUNKER3_X-3 && bullet_x<BUNKER3_X+16 && bunker[4] != 4){
+				erodeBunker(framePointer, 2, 4);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER3_X+16 && bullet_x<BUNKER3_X+32 && bunker[5] != 4){
+				erodeBunker(framePointer, 2, 5);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER3_X+32 && bullet_x<BUNKER3_X+48 && bunker[6] != 4){
+				erodeBunker(framePointer, 2, 6);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER3_X+48 && bullet_x<BUNKER3_X+64+3 && bunker[7] != 4){
+				erodeBunker(framePointer, 2, 7);
+				hit = 1;
+			}
+		}
+		if(bullet_y>initial_y+32 && bullet_y<initial_y+48){
+			if(bullet_x >= BUNKER3_X-3 && bullet_x<BUNKER3_X+16 && bunker[8] != 4){
+				erodeBunker(framePointer, 2, 8);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER3_X+48 && bullet_x<BUNKER3_X+64+3 && bunker[9] != 4){
+				erodeBunker(framePointer, 2, 9);
+				hit = 1;
+			}
+		}
+	}
+
+	if(bullet_x > BUNKER4_X-3 && bullet_x < BUNKER4_X+64+3){
+		bunker = getBunker4();
+		if(bullet_y>initial_y && bullet_y<initial_y+16){
+			if(bullet_x >= BUNKER4_X-3 && bullet_x<BUNKER4_X+16 && bunker[0] != 4){
+				erodeBunker(framePointer, 3, 0);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER4_X+16 && bullet_x<BUNKER4_X+32 && bunker[1] != 4){
+				erodeBunker(framePointer, 3, 1);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER4_X+32 && bullet_x<BUNKER4_X+48 && bunker[2] != 4){
+				erodeBunker(framePointer, 3, 2);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER4_X+48 && bullet_x<BUNKER4_X+64+3 && bunker[3] != 4){
+				erodeBunker(framePointer, 3, 3);
+				hit = 1;
+			}
+		}
+		if(bullet_y>initial_y+16 && bullet_y<initial_y+32){
+			if(bullet_x >= BUNKER4_X-3 && bullet_x<BUNKER4_X+16 && bunker[4] != 4){
+				erodeBunker(framePointer, 3, 4);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER4_X+16 && bullet_x<BUNKER4_X+32 && bunker[5] != 4){
+				erodeBunker(framePointer, 3, 5);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER4_X+32 && bullet_x<BUNKER4_X+48 && bunker[6] != 4){
+				erodeBunker(framePointer, 3, 6);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER4_X+48 && bullet_x<BUNKER4_X+64+3 && bunker[7] != 4){
+				erodeBunker(framePointer, 3, 7);
+				hit = 1;
+			}
+		}
+		if(bullet_y>initial_y+32 && bullet_y<initial_y+48){
+			if(bullet_x >= BUNKER4_X-3 && bullet_x<BUNKER4_X+16 && bunker[8] != 4){
+				erodeBunker(framePointer, 3, 8);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER4_X+48 && bullet_x<BUNKER4_X+64+3 && bunker[9] != 4){
+				erodeBunker(framePointer, 3, 9);
+				hit = 1;
+			}
+		}
+	}
+
+	if(bullet_y > tank_y_position && bullet_y < tank_y_position+16){
+		if(bullet_x >= getTankPositionX()-3 && bullet_x < getTankPositionX()+32+3){
+		    setHaveTankDeathSound(1);
+
+			counter = 0;
+		//	xil_printf("tank dies\r\n");
+
+			// disable interrupt to stop the whole game for little bit
+//			XIntc_MasterDisable(XPAR_INTC_0_BASEADDR);
+
+			setAlien1BulletState(0);
+			blankAlienBullet(framePointer, getAlien1BulletPositionX(), getAlien1BulletPositionY());
+			setAlien2BulletState(0);
+			blankAlienBullet(framePointer, getAlien2BulletPositionX(), getAlien2BulletPositionY());
+			setAlien3BulletState(0);
+			blankAlienBullet(framePointer, getAlien3BulletPositionX(), getAlien3BulletPositionY());
+			setAlien4BulletState(0);
+			blankAlienBullet(framePointer, getAlien4BulletPositionX(), getAlien4BulletPositionY());
+			setTankBulletState(0);
+			blankTankBullet(framePointer, getTankBulletPositionX(), getTankBulletPositionY());
+
+			gameover = tankDied(framePointer);
+
+			if(!gameover){
+
+				// for tank dying animation
+				while(counter < 1000){
+					//				if(counter%250){
+
+					if(dying == 0){
+						dying = 1;
+						blankTank(framePointer);
+						renderDying1(framePointer);
+					}
+					else{
+						dying = 0;
+						blankTank(framePointer);
+						renderDying2(framePointer);
+					}
+					//				}
+					counter++;
+				}
+
+				// reenable interrupt
+//				XIntc_MasterEnable(XPAR_INTC_0_BASEADDR);
+				renderTank(framePointer);
+			}
+		}
+	}
+
+	if(hit){
+
+		switch(bullet){
+		case 1:
+			setAlien1BulletState(0);
+			blankAlienBullet(framePointer, bullet_x-3, bullet_y-10);
+			break;
+		case 2:
+			setAlien2BulletState(0);
+			blankAlienBullet(framePointer, bullet_x-3, bullet_y-10);
+			break;
+		case 3:
+			setAlien3BulletState(0);
+			blankAlienBullet(framePointer, bullet_x-3, bullet_y-10);
+			break;
+		case 4:
+			setAlien4BulletState(0);
+			blankAlienBullet(framePointer, bullet_x-3, bullet_y-10);
+			break;
+		case 5:
+			setTankBulletState(0);
+			blankTankBullet(framePointer, bullet_x, bullet_y);
+			break;
+
+		default:
+			break;
+		}
+	}
+
+}
diff --git a/ecen427/bunker.h b/ecen427/bunker.h
new file mode 100644
index 0000000..acfdd6d
--- /dev/null
+++ b/ecen427/bunker.h
@@ -0,0 +1,440 @@
+#ifndef BUNKER_H_
+#define BUNKER_H_
+
+
+#define BUNKER1_X 70
+#define BUNKER2_X 210
+#define BUNKER3_X 350
+#define BUNKER4_X 490
+
+#define BLOCK_HEIGHT 16
+#define BLOCK_WIDTH 16
+#define packWord16(b15,b14,b13,b12,b11,b10,b9,b8,b7,b6,b5,b4,b3,b2,b1,b0) \
+		((b15 << 15) | (b14 << 14) | (b13 << 13) | (b12 << 12) | (b11 << 11) | (b10 << 10) | (b9  << 9 ) | (b8  << 8 ) |						  \
+				(b7  << 7 ) | (b6  << 6 ) | (b5  << 5 ) | (b4  << 4 ) | (b3  << 3 ) | (b2  << 2 ) | (b1  << 1 ) | (b0  << 0 ))
+
+
+
+int block_left0[BLOCK_HEIGHT] =		// whole block
+{
+		packWord16(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1),
+		packWord16(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+};
+int block_left1[BLOCK_HEIGHT] =		// 1-hit
+{
+		packWord16(0,0,0,0,0,0,1,0,0,1,1,1,1,1,1,0),
+		packWord16(0,0,0,0,0,1,1,0,0,1,1,1,1,1,1,0),
+		packWord16(0,0,0,0,1,1,0,0,1,1,1,0,0,1,1,1),
+		packWord16(0,0,0,1,1,1,0,0,1,1,1,0,0,1,1,1),
+		packWord16(0,0,1,1,0,0,1,1,1,1,1,0,0,1,1,1),
+		packWord16(0,1,1,1,0,0,1,1,1,1,1,0,0,1,1,1),
+		packWord16(0,0,1,1,1,1,0,0,1,1,0,0,1,1,0,0),
+		packWord16(0,0,1,1,1,1,0,0,1,1,0,0,1,1,0,0),
+		packWord16(1,1,0,0,1,1,1,1,1,0,0,1,1,1,0,0),
+		packWord16(1,1,0,0,1,1,1,1,1,0,0,1,1,1,0,0),
+		packWord16(0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1),
+		packWord16(0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1),
+		packWord16(1,0,0,1,1,0,0,1,0,0,1,1,1,1,1,1),
+		packWord16(1,0,0,1,1,0,0,1,0,0,1,1,1,1,1,1),
+		packWord16(1,1,1,0,0,1,1,1,0,0,1,1,1,0,0,1),
+		packWord16(1,1,1,0,0,1,1,1,0,0,1,1,1,0,0,1),
+};
+int block_left2[BLOCK_HEIGHT] =		// 2-hit
+{
+		packWord16(0,0,0,0,0,0,1,0,0,1,1,0,0,1,1,0),
+		packWord16(0,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0),
+		packWord16(0,0,0,0,1,1,0,0,0,0,1,0,0,1,1,0),
+		packWord16(0,0,0,1,1,1,0,0,0,0,1,0,0,1,1,0),
+		packWord16(0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0),
+		packWord16(0,0,1,0,0,1,0,0,0,0,0,0,1,1,0,0),
+		packWord16(0,0,1,0,0,1,0,0,0,0,0,0,1,1,0,0),
+		packWord16(1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,1,1,0,0,0,0,0,0,1,1,0,0,1,0),
+		packWord16(0,0,1,1,0,0,0,0,0,0,1,1,0,0,1,0),
+		packWord16(0,0,0,0,0,0,0,1,0,0,0,0,1,1,0,0),
+		packWord16(0,0,0,0,0,0,0,1,0,0,0,0,1,1,0,0),
+		packWord16(0,0,1,0,0,0,0,0,0,0,1,1,1,0,0,1),
+		packWord16(0,0,1,0,0,0,0,0,0,0,1,1,1,0,0,1),
+};
+
+int block_left3[BLOCK_HEIGHT] =		// 3-hit
+{
+		packWord16(0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0),
+		packWord16(0,0,0,0,0,1,0,0,0,0,0,0,0,1,1,0),
+		packWord16(0,0,0,0,0,1,0,0,0,0,0,0,0,1,1,0),
+		packWord16(0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,1,0,0,0,0,0,0,0,0,0,1,1,0,0),
+		packWord16(0,0,1,0,0,0,0,0,0,0,0,0,1,1,0,0),
+		packWord16(1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+};
+int empty[BLOCK_HEIGHT] =		// no block
+{
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+};
+
+int block_right0[BLOCK_HEIGHT] = 	// whole block
+{
+		packWord16(1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+
+};
+
+int block_right1[BLOCK_HEIGHT] = 	// 1-hit
+{
+		packWord16(1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+		packWord16(1,1,0,0,1,1,0,0,1,1,1,0,0,0,0,0),
+		packWord16(1,1,0,0,1,1,0,0,1,1,1,0,0,0,0,0),
+		packWord16(1,1,1,1,1,0,0,1,1,1,1,0,0,1,0,0),
+		packWord16(1,1,1,1,1,0,0,1,1,1,1,0,0,1,1,0),
+		packWord16(0,0,0,0,1,1,1,0,0,0,0,1,1,1,0,0),
+		packWord16(0,0,0,0,1,1,1,0,0,0,0,1,1,1,0,0),
+		packWord16(0,0,1,1,1,0,0,1,1,1,1,0,0,0,0,1),
+		packWord16(0,0,1,1,1,0,0,1,1,1,1,0,0,0,0,1),
+		packWord16(1,1,1,0,0,1,1,1,1,0,0,1,1,1,0,0),
+		packWord16(1,1,1,0,0,1,1,1,1,0,0,1,1,1,0,0),
+		packWord16(0,0,1,1,1,0,0,1,1,1,1,0,0,1,1,1),
+		packWord16(0,0,1,1,1,0,0,1,1,1,1,0,0,1,1,1),
+		packWord16(1,1,1,0,0,1,1,0,0,1,1,1,0,0,0,0),
+		packWord16(1,1,1,0,0,1,1,0,0,1,1,1,0,0,0,0),
+
+};
+
+int block_right2[BLOCK_HEIGHT] = 	// 2-hit
+{
+		packWord16(1,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,1,1,0,0,1,1,1,0,0,0,0,0),
+		packWord16(0,0,0,0,1,1,0,0,1,1,1,0,0,0,0,0),
+		packWord16(1,1,0,0,0,0,0,1,1,0,0,0,0,1,0,0),
+		packWord16(1,1,0,0,0,0,0,1,1,0,0,0,0,1,1,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0),
+		packWord16(0,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1),
+		packWord16(0,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1),
+		packWord16(1,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0),
+		packWord16(1,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,1),
+		packWord16(0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0),
+
+};
+
+int block_right3[BLOCK_HEIGHT] = 	// 3-hit
+{
+		packWord16(0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0),
+		packWord16(1,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0),
+		packWord16(1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+
+};
+
+int block_center_left0[BLOCK_HEIGHT] = 	// whole block
+{
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+		packWord16(1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0),
+		packWord16(1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+		packWord16(1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0),
+		packWord16(1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+};
+
+int block_center_left1[BLOCK_HEIGHT] = 	// 1-hit
+{
+		packWord16(1,1,0,0,1,1,1,1,1,1,1,0,0,1,1,1),
+		packWord16(1,1,0,0,1,1,1,1,1,1,1,0,0,1,1,0),
+		packWord16(1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0),
+		packWord16(1,1,1,1,1,1,0,0,1,1,1,1,1,0,0,0),
+		packWord16(1,1,1,0,0,1,1,1,1,1,1,1,0,0,0,0),
+		packWord16(1,1,1,0,0,1,1,1,1,1,1,0,0,0,0,0),
+		packWord16(0,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0),
+		packWord16(0,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0),
+		packWord16(1,1,1,0,0,1,1,1,0,0,0,0,0,0,0,0),
+		packWord16(1,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0),
+		packWord16(1,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+};
+int block_center_left2[BLOCK_HEIGHT] = 	// 2-hit
+{
+		packWord16(1,1,0,0,1,1,1,0,0,1,1,0,0,1,1,1),
+		packWord16(1,1,0,0,1,1,1,0,0,1,1,0,0,1,1,0),
+		packWord16(0,0,1,1,1,1,0,0,1,1,0,0,1,1,0,0),
+		packWord16(0,0,1,1,1,1,0,0,1,1,0,0,1,0,0,0),
+		packWord16(1,1,1,0,0,1,1,0,0,1,1,1,0,0,0,0),
+		packWord16(1,1,1,0,0,1,1,0,0,1,1,0,0,0,0,0),
+		packWord16(0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0),
+		packWord16(0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0),
+		packWord16(1,1,1,0,0,1,1,1,0,0,0,0,0,0,0,0),
+		packWord16(1,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0),
+		packWord16(1,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+};
+int block_center_left3[BLOCK_HEIGHT] = 	// 3-hit
+{
+		packWord16(0,0,0,0,1,1,1,0,0,1,1,0,0,0,0,0),
+		packWord16(0,0,0,0,1,1,1,0,0,1,1,0,0,0,0,0),
+		packWord16(0,0,1,0,0,1,0,0,0,0,0,0,1,1,0,0),
+		packWord16(0,0,1,0,0,1,0,0,0,0,0,0,1,0,0,0),
+		packWord16(1,1,1,0,0,0,0,0,0,1,1,1,0,0,0,0),
+		packWord16(1,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0),
+		packWord16(1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+};
+
+int block_center_right0[BLOCK_HEIGHT] = 	// whole block
+{
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1),
+};
+int block_center_right1[BLOCK_HEIGHT] = 	// 1-hit
+{
+		packWord16(0,0,1,1,0,0,1,1,1,1,1,0,0,1,1,1),
+		packWord16(0,0,1,1,0,0,1,1,1,1,1,0,0,1,1,1),
+		packWord16(0,0,1,1,1,1,1,0,0,1,1,1,1,1,1,1),
+		packWord16(0,0,0,1,1,1,1,0,0,1,1,1,1,1,1,1),
+		packWord16(0,0,0,0,1,0,0,1,1,1,1,0,0,1,0,0),
+		packWord16(0,0,0,0,0,0,0,1,1,1,1,0,0,1,0,0),
+		packWord16(0,0,0,0,0,0,1,1,0,0,1,1,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,1,0,0,1,1,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1),
+};
+
+int block_center_right2[BLOCK_HEIGHT] = 	// 2-hit
+{
+		packWord16(0,0,1,1,0,0,0,0,1,1,1,0,0,1,1,1),
+		packWord16(0,0,1,1,0,0,0,0,1,1,1,0,0,1,1,1),
+		packWord16(0,0,1,1,1,1,1,0,0,1,0,0,1,1,0,0),
+		packWord16(0,0,0,1,1,1,1,0,0,1,0,0,1,1,0,0),
+		packWord16(0,0,0,0,1,0,0,1,1,1,1,0,0,1,0,0),
+		packWord16(0,0,0,0,0,0,0,1,1,1,1,0,0,1,0,0),
+		packWord16(0,0,0,0,0,0,1,1,0,0,1,1,1,0,0,1),
+		packWord16(0,0,0,0,0,0,0,1,0,0,1,1,1,0,0,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1),
+};
+int block_center_right3[BLOCK_HEIGHT] = 	// 3-hit
+{
+		packWord16(0,0,1,1,0,0,0,0,1,1,1,0,0,0,0,0),
+		packWord16(0,0,1,1,0,0,0,0,1,1,1,0,0,0,0,0),
+		packWord16(0,0,0,0,1,1,1,0,0,0,0,0,1,1,0,0),
+		packWord16(0,0,0,0,1,1,1,0,0,0,0,0,1,1,0,0),
+		packWord16(0,0,0,0,0,0,0,1,1,0,0,0,0,1,0,0),
+		packWord16(0,0,0,0,0,0,0,1,1,0,0,0,0,1,0,0),
+		packWord16(0,0,0,0,0,0,1,1,0,0,0,0,1,0,0,1),
+		packWord16(0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1),
+};
+
+int block_normal0[BLOCK_HEIGHT] = 	// whole block
+{
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1),
+};
+int block_normal1[BLOCK_HEIGHT] = 	// 1-hit
+{
+		packWord16(1,0,0,1,1,1,1,0,0,1,1,1,1,1,1,1),
+		packWord16(1,0,0,1,1,1,1,0,0,1,1,1,1,1,1,1),
+		packWord16(1,1,1,1,0,0,1,1,0,0,1,0,0,1,1,1),
+		packWord16(1,1,1,1,0,0,1,1,0,0,1,0,0,1,1,1),
+		packWord16(1,1,0,0,1,1,0,0,1,1,1,1,1,1,0,0),
+		packWord16(1,1,0,0,1,1,0,0,1,1,1,1,1,1,0,0),
+		packWord16(0,0,1,1,1,1,1,1,1,0,0,1,0,0,1,1),
+		packWord16(0,0,1,1,1,1,1,1,1,0,0,1,0,0,1,1),
+		packWord16(1,1,1,0,0,1,1,0,0,1,1,1,1,1,0,0),
+		packWord16(1,1,1,0,0,1,1,0,0,1,1,1,1,1,0,0),
+		packWord16(0,1,1,1,1,1,1,1,1,0,0,1,0,0,1,1),
+		packWord16(0,1,1,1,1,1,1,1,1,0,0,1,0,0,1,1),
+		packWord16(1,0,0,1,1,1,0,0,1,1,1,0,0,1,1,1),
+		packWord16(1,0,0,1,1,1,0,0,1,1,1,0,0,1,1,1),
+		packWord16(1,1,1,0,0,1,1,1,0,0,1,1,1,1,0,0),
+		packWord16(1,1,1,0,0,1,1,1,0,0,1,1,1,1,0,0),
+};
+
+int block_normal2[BLOCK_HEIGHT] = 	// 2-hit
+{
+		packWord16(1,0,0,1,1,0,0,0,0,1,1,1,0,0,1,1),
+		packWord16(1,0,0,1,1,0,0,0,0,1,1,1,0,0,1,1),
+		packWord16(0,0,1,1,0,0,1,1,0,0,1,0,0,1,0,0),
+		packWord16(0,0,1,1,0,0,1,1,0,0,1,0,0,1,0,0),
+		packWord16(0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0),
+		packWord16(0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0),
+		packWord16(0,0,1,1,0,0,1,1,1,0,0,0,0,0,1,1),
+		packWord16(0,0,1,1,0,0,1,1,1,0,0,0,0,0,1,1),
+		packWord16(0,0,1,0,0,1,1,0,0,0,0,1,1,1,0,0),
+		packWord16(0,0,1,0,0,1,1,0,0,0,0,1,1,1,0,0),
+		packWord16(0,1,1,1,1,0,0,1,1,0,0,0,0,0,1,1),
+		packWord16(0,1,1,1,1,0,0,1,1,0,0,0,0,0,1,1),
+		packWord16(1,0,0,0,0,1,0,0,1,1,1,0,0,0,0,0),
+		packWord16(1,0,0,0,0,1,0,0,1,1,1,0,0,0,0,0),
+		packWord16(0,1,1,0,0,0,0,1,0,0,0,0,1,1,0,0),
+		packWord16(0,1,1,0,0,0,0,1,0,0,0,0,1,1,0,0),
+};
+
+int block_normal3[BLOCK_HEIGHT] = 	// 3-hit
+{
+		packWord16(1,0,0,0,0,0,0,0,0,0,0,1,0,0,1,1),
+		packWord16(1,0,0,0,0,0,0,0,0,0,0,1,0,0,1,1),
+		packWord16(0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0),
+		packWord16(0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0),
+		packWord16(0,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0),
+		packWord16(0,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1),
+		packWord16(0,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0),
+		packWord16(0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,1),
+		packWord16(0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,1),
+		packWord16(0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0),
+		packWord16(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0),
+};
+
+void renderBunker(unsigned int*);
+void erodeBunker(unsigned int*, int which_bunker, int which_block);
+void blankBlock(unsigned int*, int which_bunker, int which_block, int block_row, int block_col);
+void updateBlock(unsigned int*, int which_bunker, int which_block, int block_row, int block_col, short* bunker);
+void selectBlock(unsigned int*, int bullet);
+
+#endif /* BUNKER_H_ */
diff --git a/ecen427/global.c b/ecen427/global.c
new file mode 100644
index 0000000..5d183d1
--- /dev/null
+++ b/ecen427/global.c
@@ -0,0 +1,284 @@
+#include "global.h"
+
+
+static point_t alienBlockPosition;
+static point_t tankPosition;
+
+
+
+static short alienDirection;
+static short guise = 0;
+static short guiseBullet = 0;
+static short aliens[55] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
+		                   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
+		                   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
+		                   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
+		                   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
+
+static short bunker1[10] = {0,0,0,0,0,0,0,0,0,0};
+static short bunker2[10] = {0,0,0,0,0,0,0,0,0,0};
+static short bunker3[10] = {0,0,0,0,0,0,0,0,0,0};
+static short bunker4[10] = {0,0,0,0,0,0,0,0,0,0};
+
+
+
+static point_t tankBulletPosition;
+static point_t alienBulletPosition1;
+static point_t alienBulletPosition2;
+static point_t alienBulletPosition3;
+static point_t alienBulletPosition4;
+
+static short tankBullet = 0;
+static short alienBullet1 = 0;
+static short alienBullet2 = 0;
+static short alienBullet3 = 0;
+static short alienBullet4 = 0;
+
+static point_t ufoPosition;
+static short ufo_state = 0;
+static short ufo_left;
+
+
+short getUfoDirection(){
+	return ufo_left;
+}
+short setUfoDirection(){
+	ufo_left = rand()%2;
+}
+
+short getUfoPositionY() {
+	return ufoPosition.y;
+}
+void setUfoPositionY(short update) {
+	ufoPosition.y = update;
+}
+short getUfoPositionX() {
+	return ufoPosition.x;
+}
+void setUfoPositionX(short update) {
+	ufoPosition.x = update;
+}
+short getUfoState(){
+	return ufo_state;
+}
+void setUfoState(short state){
+	ufo_state = state;
+}
+
+unsigned short getGuiseBullet() {
+	return guiseBullet;
+}
+
+void setGuiseBullet(unsigned short frame) {
+	guiseBullet = frame;
+}
+
+// for tank bullet
+void setTankBulletState(short state) {
+	tankBullet = state;
+}
+
+short getTankBulletState() {
+	return tankBullet;
+}
+
+void initialTankBulletPosition() {
+	tankBulletPosition.x = getTankPositionX()+11;
+	tankBulletPosition.y = 410;
+}
+
+short getTankBulletPositionX() {
+	return tankBulletPosition.x;
+}
+
+short getTankBulletPositionY() {
+	return tankBulletPosition.y;
+}
+
+void setTankBulletPositionY(short update) {
+	tankBulletPosition.y = update;
+}
+
+//for alien bullet1
+void setAlien1BulletState(short state) {
+	alienBullet1 = state;
+}
+
+short getAlien1BulletState() {
+	return alienBullet1;
+}
+
+short getAlien1BulletPositionX() {
+	return alienBulletPosition1.x;
+}
+
+short getAlien1BulletPositionY() {
+	return alienBulletPosition1.y;
+}
+
+void setAlien1BulletPositionY(short update) {
+	alienBulletPosition1.y = update;
+}
+
+void setAlien1BulletPosition(short x, short y) {
+	alienBulletPosition1.x = x;
+	alienBulletPosition1.y = y;
+}
+//for alien bullet2
+void setAlien2BulletState(short state) {
+	alienBullet2 = state;
+}
+
+short getAlien2BulletState() {
+	return alienBullet2;
+}
+
+short getAlien2BulletPositionX() {
+	return alienBulletPosition2.x;
+}
+
+short getAlien2BulletPositionY() {
+	return alienBulletPosition2.y;
+}
+
+void setAlien2BulletPositionY(short update) {
+	alienBulletPosition2.y = update;
+}
+
+void setAlien2BulletPosition(short x, short y) {
+	alienBulletPosition2.x = x;
+	alienBulletPosition2.y = y;
+}
+
+//for alien bullet3
+void setAlien3BulletState(short state) {
+	alienBullet3 = state;
+}
+
+short getAlien3BulletState() {
+	return alienBullet3;
+}
+
+short getAlien3BulletPositionX() {
+	return alienBulletPosition3.x;
+}
+
+short getAlien3BulletPositionY() {
+	return alienBulletPosition3.y;
+}
+
+void setAlien3BulletPositionY(short update) {
+	alienBulletPosition3.y = update;
+}
+
+void setAlien3BulletPosition(short x, short y) {
+	alienBulletPosition3.x = x;
+	alienBulletPosition3.y = y;
+}
+
+//for alien bullet4
+void setAlien4BulletState(short state) {
+	alienBullet4 = state;
+}
+
+short getAlien4BulletState() {
+	return alienBullet4;
+}
+
+short getAlien4BulletPositionX() {
+	return alienBulletPosition4.x;
+}
+
+short getAlien4BulletPositionY() {
+	return alienBulletPosition4.y;
+}
+
+void setAlien4BulletPositionY(short update) {
+	alienBulletPosition4.y = update;
+}
+
+void setAlien4BulletPosition(short x, short y) {
+	alienBulletPosition4.x = x;
+	alienBulletPosition4.y = y;
+}
+//for bunker
+short* getBunker1() {
+	return bunker1;
+}
+
+void setBunker1(unsigned short state, unsigned short block) {
+	bunker1[block] = state;
+}
+short* getBunker2() {
+	return bunker2;
+}
+
+void setBunker2(unsigned short state, unsigned short block) {
+	bunker2[block] = state;
+}
+short* getBunker3() {
+	return bunker3;
+}
+
+void setBunker3(unsigned short state, unsigned short block) {
+	bunker3[block] = state;
+}
+short* getBunker4() {
+	return bunker4;
+}
+
+void setBunker4(unsigned short state, unsigned short block) {
+	bunker1[block] = state;
+}
+
+// Here are the accessors.
+short* getAliens() {
+	return aliens;
+}
+
+void setAliens(unsigned short alien, unsigned short position) {
+	xil_printf("setting alien\r\n");
+	aliens[position] = alien;
+}
+
+unsigned short getGuise() {
+	return guise;
+}
+
+void setGuise(unsigned short frame) {
+	guise = frame;
+}
+
+unsigned short getDirection() {
+	return alienDirection;
+}
+
+void setDirection(unsigned short direction) {
+	alienDirection = direction;
+}
+
+void setAlienBlockPosition(unsigned short x, unsigned short y) {
+	alienBlockPosition.x = x;
+	alienBlockPosition.y = y;
+}
+
+unsigned short getAlienBlockPositionX() {
+  return alienBlockPosition.x;
+}
+
+unsigned short getAlienBlockPositionY() {
+  return alienBlockPosition.y;
+}
+void setTankPosition(unsigned short x, unsigned short y) {
+	tankPosition.x = x;
+	tankPosition.y = y;
+}
+
+unsigned short getTankPositionX() {
+  return tankPosition.x;
+}
+
+unsigned short getTankPositionY() {
+  return tankPosition.y;
+}
+
diff --git a/ecen427/global.h b/ecen427/global.h
new file mode 100644
index 0000000..5945c59
--- /dev/null
+++ b/ecen427/global.h
@@ -0,0 +1,16 @@
+#ifndef GLOBAL_H_
+#define GLOBAL_H_
+#define WORD_WIDTH 32;
+
+typedef struct {unsigned short x; unsigned short y;} point_t;
+
+void setAlienBlockPosition(unsigned short x, unsigned short y);
+unsigned short getAlienBlockPositionX();
+unsigned short getAlienBlockPositionY();
+
+void setTankPosition(unsigned short x, unsigned short y);
+unsigned short getTankPositionX();
+unsigned short getTankPositionY();
+
+
+#endif /* GLOBAL_H_ */
diff --git a/ecen427/lscript.ld b/ecen427/lscript.ld
new file mode 100644
index 0000000..027d19f
--- /dev/null
+++ b/ecen427/lscript.ld
@@ -0,0 +1,213 @@
+/*******************************************************************/
+/*                                                                 */
+/* This file is automatically generated by linker script generator.*/
+/*                                                                 */
+/* Version: Xilinx EDK 13.4 EDK_O.87xd                                */
+/*                                                                 */
+/* Copyright (c) 2010 Xilinx, Inc.  All rights reserved.           */
+/*                                                                 */
+/* Description : MicroBlaze Linker Script                          */
+/*                                                                 */
+/*******************************************************************/
+
+_STACK_SIZE = DEFINED(_STACK_SIZE) ? _STACK_SIZE : 0x1000;
+_HEAP_SIZE = DEFINED(_HEAP_SIZE) ? _HEAP_SIZE : 0x400;
+
+/* Define Memories in the system */
+
+MEMORY
+{
+   microblaze_0_i_bram_ctrl_microblaze_0_d_bram_ctrl : ORIGIN = 0x00000050, LENGTH = 0x00007FB0
+   MCB_DDR2_S0_AXI_BASEADDR : ORIGIN = 0xC0000000, LENGTH = 0x08000000
+}
+
+/* Specify the default entry point to the program */
+
+ENTRY(_start)
+
+/* Define the sections, and where they are mapped in memory */
+
+SECTIONS
+{
+.vectors.reset 0x00000000 : {
+   *(.vectors.reset)
+} 
+
+.vectors.sw_exception 0x00000008 : {
+   *(.vectors.sw_exception)
+} 
+
+.vectors.interrupt 0x00000010 : {
+   *(.vectors.interrupt)
+} 
+
+.vectors.hw_exception 0x00000020 : {
+   *(.vectors.hw_exception)
+} 
+
+.text : {
+   *(.text)
+   *(.text.*)
+   *(.gnu.linkonce.t.*)
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.init : {
+   KEEP (*(.init))
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.fini : {
+   KEEP (*(.fini))
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.ctors : {
+   __CTOR_LIST__ = .;
+   ___CTORS_LIST___ = .;
+   KEEP (*crtbegin.o(.ctors))
+   KEEP (*(EXCLUDE_FILE(*crtend.o) .ctors))
+   KEEP (*(SORT(.ctors.*)))
+   KEEP (*(.ctors))
+   __CTOR_END__ = .;
+   ___CTORS_END___ = .;
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.dtors : {
+   __DTOR_LIST__ = .;
+   ___DTORS_LIST___ = .;
+   KEEP (*crtbegin.o(.dtors))
+   KEEP (*(EXCLUDE_FILE(*crtend.o) .dtors))
+   KEEP (*(SORT(.dtors.*)))
+   KEEP (*(.dtors))
+   __DTOR_END__ = .;
+   ___DTORS_END___ = .;
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.rodata : {
+   __rodata_start = .;
+   *(.rodata)
+   *(.rodata.*)
+   *(.gnu.linkonce.r.*)
+   __rodata_end = .;
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.sdata2 : {
+   . = ALIGN(8);
+   __sdata2_start = .;
+   *(.sdata2)
+   *(.sdata2.*)
+   *(.gnu.linkonce.s2.*)
+   . = ALIGN(8);
+   __sdata2_end = .;
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.sbss2 : {
+   __sbss2_start = .;
+   *(.sbss2)
+   *(.sbss2.*)
+   *(.gnu.linkonce.sb2.*)
+   __sbss2_end = .;
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.data : {
+   . = ALIGN(4);
+   __data_start = .;
+   *(.data)
+   *(.data.*)
+   *(.gnu.linkonce.d.*)
+   __data_end = .;
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.got : {
+   *(.got)
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.got1 : {
+   *(.got1)
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.got2 : {
+   *(.got2)
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.eh_frame : {
+   *(.eh_frame)
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.jcr : {
+   *(.jcr)
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.gcc_except_table : {
+   *(.gcc_except_table)
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.sdata : {
+   . = ALIGN(8);
+   __sdata_start = .;
+   *(.sdata)
+   *(.sdata.*)
+   *(.gnu.linkonce.s.*)
+   __sdata_end = .;
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.sbss : {
+   . = ALIGN(4);
+   __sbss_start = .;
+   *(.sbss)
+   *(.sbss.*)
+   *(.gnu.linkonce.sb.*)
+   . = ALIGN(8);
+   __sbss_end = .;
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.tdata : {
+   __tdata_start = .;
+   *(.tdata)
+   *(.tdata.*)
+   *(.gnu.linkonce.td.*)
+   __tdata_end = .;
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.tbss : {
+   __tbss_start = .;
+   *(.tbss)
+   *(.tbss.*)
+   *(.gnu.linkonce.tb.*)
+   __tbss_end = .;
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+.bss : {
+   . = ALIGN(4);
+   __bss_start = .;
+   *(.bss)
+   *(.bss.*)
+   *(.gnu.linkonce.b.*)
+   *(COMMON)
+   . = ALIGN(4);
+   __bss_end = .;
+} > MCB_DDR2_S0_AXI_BASEADDR
+
+_SDA_BASE_ = __sdata_start + ((__sbss_end - __sdata_start) / 2 );
+
+_SDA2_BASE_ = __sdata2_start + ((__sbss2_end - __sdata2_start) / 2 );
+
+/* Generate Stack and Heap definitions */
+
+.heap : {
+   . = ALIGN(8);
+   _heap = .;
+   _heap_start = .;
+   . += _HEAP_SIZE;
+   _heap_end = .;
+} > microblaze_0_i_bram_ctrl_microblaze_0_d_bram_ctrl
+
+.stack : {
+   _stack_end = .;
+   . += _STACK_SIZE;
+   . = ALIGN(8);
+   _stack = .;
+   __stack = _stack;
+} > microblaze_0_i_bram_ctrl_microblaze_0_d_bram_ctrl
+
+_end = .;
+}
+
diff --git a/ecen427/nes.c b/ecen427/nes.c
new file mode 100644
index 0000000..a6bfc68
--- /dev/null
+++ b/ecen427/nes.c
@@ -0,0 +1,14 @@
+/*****************************************************************************
+* Filename:          C:\Users\superman\Desktop\korea\SpaceInvaderTestHW2/drivers/nes_v1_00_a/src/nes.c
+* Version:           1.00.a
+* Description:       nes Driver Source File
+* Date:              Tue Nov 18 16:03:58 2014 (by Create and Import Peripheral Wizard)
+*****************************************************************************/
+
+
+/***************************** Include Files *******************************/
+
+#include "nes.h"
+
+/************************** Function Definitions ***************************/
+
diff --git a/ecen427/nes.h b/ecen427/nes.h
new file mode 100644
index 0000000..7b01caa
--- /dev/null
+++ b/ecen427/nes.h
@@ -0,0 +1,123 @@
+/*****************************************************************************
+* Filename:          C:\Users\superman\Desktop\korea\SpaceInvaderTestHW2/drivers/nes_v1_00_a/src/nes.h
+* Version:           1.00.a
+* Description:       nes Driver Header File
+* Date:              Tue Nov 18 16:03:58 2014 (by Create and Import Peripheral Wizard)
+*****************************************************************************/
+
+#ifndef NES_H
+#define NES_H
+
+/***************************** Include Files *******************************/
+
+#include "xbasic_types.h"
+#include "xstatus.h"
+#include "xil_io.h"
+
+/************************** Constant Definitions ***************************/
+
+
+/**
+ * User Logic Slave Space Offsets
+ * -- SLV_REG0 : user logic slave module register 0
+ */
+#define NES_USER_SLV_SPACE_OFFSET (0x00000000)
+#define NES_SLV_REG0_OFFSET (NES_USER_SLV_SPACE_OFFSET + 0x00000000)
+
+/**************************** Type Definitions *****************************/
+
+
+/***************** Macros (Inline Functions) Definitions *******************/
+
+/**
+ *
+ * Write a value to a NES register. A 32 bit write is performed.
+ * If the component is implemented in a smaller width, only the least
+ * significant data is written.
+ *
+ * @param   BaseAddress is the base address of the NES device.
+ * @param   RegOffset is the register offset from the base to write to.
+ * @param   Data is the data written to the register.
+ *
+ * @return  None.
+ *
+ * @note
+ * C-style signature:
+ * 	void NES_mWriteReg(Xuint32 BaseAddress, unsigned RegOffset, Xuint32 Data)
+ *
+ */
+#define NES_mWriteReg(BaseAddress, RegOffset, Data) \
+ 	Xil_Out32((BaseAddress) + (RegOffset), (Xuint32)(Data))
+
+/**
+ *
+ * Read a value from a NES register. A 32 bit read is performed.
+ * If the component is implemented in a smaller width, only the least
+ * significant data is read from the register. The most significant data
+ * will be read as 0.
+ *
+ * @param   BaseAddress is the base address of the NES device.
+ * @param   RegOffset is the register offset from the base to write to.
+ *
+ * @return  Data is the data from the register.
+ *
+ * @note
+ * C-style signature:
+ * 	Xuint32 NES_mReadReg(Xuint32 BaseAddress, unsigned RegOffset)
+ *
+ */
+#define NES_mReadReg(BaseAddress, RegOffset) \
+ 	Xil_In32((BaseAddress) + (RegOffset))
+
+
+/**
+ *
+ * Write/Read 32 bit value to/from NES user logic slave registers.
+ *
+ * @param   BaseAddress is the base address of the NES device.
+ * @param   RegOffset is the offset from the slave register to write to or read from.
+ * @param   Value is the data written to the register.
+ *
+ * @return  Data is the data from the user logic slave register.
+ *
+ * @note
+ * C-style signature:
+ * 	void NES_mWriteSlaveRegn(Xuint32 BaseAddress, unsigned RegOffset, Xuint32 Value)
+ * 	Xuint32 NES_mReadSlaveRegn(Xuint32 BaseAddress, unsigned RegOffset)
+ *
+ */
+#define NES_mWriteSlaveReg0(BaseAddress, RegOffset, Value) \
+ 	Xil_Out32((BaseAddress) + (NES_SLV_REG0_OFFSET) + (RegOffset), (Xuint32)(Value))
+
+#define NES_mReadSlaveReg0(BaseAddress, RegOffset) \
+ 	Xil_In32((BaseAddress) + (NES_SLV_REG0_OFFSET) + (RegOffset))
+
+/************************** Function Prototypes ****************************/
+
+
+/**
+ *
+ * Run a self-test on the driver/device. Note this may be a destructive test if
+ * resets of the device are performed.
+ *
+ * If the hardware system is not built correctly, this function may never
+ * return to the caller.
+ *
+ * @param   baseaddr_p is the base address of the NES instance to be worked on.
+ *
+ * @return
+ *
+ *    - XST_SUCCESS   if all self-test code passed
+ *    - XST_FAILURE   if any self-test code failed
+ *
+ * @note    Caching must be turned off for this function to work.
+ * @note    Self test may fail if data memory and device are not on the same bus.
+ *
+ */
+XStatus NES_SelfTest(void * baseaddr_p);
+/**
+*  Defines the number of registers available for read and write*/
+#define TEST_AXI_LITE_USER_NUM_REG 1
+
+
+#endif /** NES_H */
diff --git a/ecen427/pit.c b/ecen427/pit.c
new file mode 100644
index 0000000..7e8e477
--- /dev/null
+++ b/ecen427/pit.c
@@ -0,0 +1,14 @@
+/*****************************************************************************
+* Filename:          C:\Users\superman\Desktop\korea\SpaceInvaderTestHW2/drivers/pit_v1_00_a/src/pit.c
+* Version:           1.00.a
+* Description:       pit Driver Source File
+* Date:              Thu Nov 06 14:24:21 2014 (by Create and Import Peripheral Wizard)
+*****************************************************************************/
+
+
+/***************************** Include Files *******************************/
+
+#include "pit.h"
+
+/************************** Function Definitions ***************************/
+
diff --git a/ecen427/pit.h b/ecen427/pit.h
new file mode 100644
index 0000000..2ee3500
--- /dev/null
+++ b/ecen427/pit.h
@@ -0,0 +1,129 @@
+/*****************************************************************************
+* Filename:          C:\Users\superman\Desktop\korea\SpaceInvaderTestHW2/drivers/pit_v1_00_a/src/pit.h
+* Version:           1.00.a
+* Description:       pit Driver Header File
+* Date:              Thu Nov 06 14:24:21 2014 (by Create and Import Peripheral Wizard)
+*****************************************************************************/
+
+#ifndef PIT_H
+#define PIT_H
+
+/***************************** Include Files *******************************/
+
+#include "xbasic_types.h"
+#include "xstatus.h"
+#include "xil_io.h"
+
+/************************** Constant Definitions ***************************/
+
+
+/**
+ * User Logic Slave Space Offsets
+ * -- SLV_REG0 : user logic slave module register 0
+ * -- SLV_REG1 : user logic slave module register 1
+ */
+#define PIT_USER_SLV_SPACE_OFFSET (0x00000000)
+#define PIT_SLV_REG0_OFFSET (PIT_USER_SLV_SPACE_OFFSET + 0x00000000)
+#define PIT_SLV_REG1_OFFSET (PIT_USER_SLV_SPACE_OFFSET + 0x00000004)
+
+/**************************** Type Definitions *****************************/
+
+
+/***************** Macros (Inline Functions) Definitions *******************/
+
+/**
+ *
+ * Write a value to a PIT register. A 32 bit write is performed.
+ * If the component is implemented in a smaller width, only the least
+ * significant data is written.
+ *
+ * @param   BaseAddress is the base address of the PIT device.
+ * @param   RegOffset is the register offset from the base to write to.
+ * @param   Data is the data written to the register.
+ *
+ * @return  None.
+ *
+ * @note
+ * C-style signature:
+ * 	void PIT_mWriteReg(Xuint32 BaseAddress, unsigned RegOffset, Xuint32 Data)
+ *
+ */
+#define PIT_mWriteReg(BaseAddress, RegOffset, Data) \
+ 	Xil_Out32((BaseAddress) + (RegOffset), (Xuint32)(Data))
+
+/**
+ *
+ * Read a value from a PIT register. A 32 bit read is performed.
+ * If the component is implemented in a smaller width, only the least
+ * significant data is read from the register. The most significant data
+ * will be read as 0.
+ *
+ * @param   BaseAddress is the base address of the PIT device.
+ * @param   RegOffset is the register offset from the base to write to.
+ *
+ * @return  Data is the data from the register.
+ *
+ * @note
+ * C-style signature:
+ * 	Xuint32 PIT_mReadReg(Xuint32 BaseAddress, unsigned RegOffset)
+ *
+ */
+#define PIT_mReadReg(BaseAddress, RegOffset) \
+ 	Xil_In32((BaseAddress) + (RegOffset))
+
+
+/**
+ *
+ * Write/Read 32 bit value to/from PIT user logic slave registers.
+ *
+ * @param   BaseAddress is the base address of the PIT device.
+ * @param   RegOffset is the offset from the slave register to write to or read from.
+ * @param   Value is the data written to the register.
+ *
+ * @return  Data is the data from the user logic slave register.
+ *
+ * @note
+ * C-style signature:
+ * 	void PIT_mWriteSlaveRegn(Xuint32 BaseAddress, unsigned RegOffset, Xuint32 Value)
+ * 	Xuint32 PIT_mReadSlaveRegn(Xuint32 BaseAddress, unsigned RegOffset)
+ *
+ */
+#define PIT_mWriteSlaveReg0(BaseAddress, RegOffset, Value) \
+ 	Xil_Out32((BaseAddress) + (PIT_SLV_REG0_OFFSET) + (RegOffset), (Xuint32)(Value))
+#define PIT_mWriteSlaveReg1(BaseAddress, RegOffset, Value) \
+ 	Xil_Out32((BaseAddress) + (PIT_SLV_REG1_OFFSET) + (RegOffset), (Xuint32)(Value))
+
+#define PIT_mReadSlaveReg0(BaseAddress, RegOffset) \
+ 	Xil_In32((BaseAddress) + (PIT_SLV_REG0_OFFSET) + (RegOffset))
+#define PIT_mReadSlaveReg1(BaseAddress, RegOffset) \
+ 	Xil_In32((BaseAddress) + (PIT_SLV_REG1_OFFSET) + (RegOffset))
+
+/************************** Function Prototypes ****************************/
+
+
+/**
+ *
+ * Run a self-test on the driver/device. Note this may be a destructive test if
+ * resets of the device are performed.
+ *
+ * If the hardware system is not built correctly, this function may never
+ * return to the caller.
+ *
+ * @param   baseaddr_p is the base address of the PIT instance to be worked on.
+ *
+ * @return
+ *
+ *    - XST_SUCCESS   if all self-test code passed
+ *    - XST_FAILURE   if any self-test code failed
+ *
+ * @note    Caching must be turned off for this function to work.
+ * @note    Self test may fail if data memory and device are not on the same bus.
+ *
+ */
+XStatus PIT_SelfTest(void * baseaddr_p);
+/**
+*  Defines the number of registers available for read and write*/
+#define TEST_AXI_LITE_USER_NUM_REG 2
+
+
+#endif /** PIT_H */
diff --git a/ecen427/platform.c b/ecen427/platform.c
new file mode 100644
index 0000000..3eaf385
--- /dev/null
+++ b/ecen427/platform.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2010-2011 Xilinx, Inc.  All rights reserved.
+ *
+ * Xilinx, Inc.
+ * XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
+ * COURTESY TO YOU.  BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
+ * ONE POSSIBLE   IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
+ * STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
+ * IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
+ * FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
+ * XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
+ * THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
+ * ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
+ * FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+
+#include "xparameters.h"
+#include "xil_cache.h"
+
+#include "platform_config.h"
+
+#ifdef STDOUT_IS_PS7_UART
+#include "xuartps.h"
+#elif defined(STDOUT_IS_16550)
+#include "xuartns550_l.h"
+#endif
+
+#define UART_BAUD 9600
+
+void
+enable_caches()
+{
+#ifdef __PPC__
+    Xil_ICacheEnableRegion(CACHEABLE_REGION_MASK);
+    Xil_DCacheEnableRegion(CACHEABLE_REGION_MASK);
+#elif __MICROBLAZE__
+#ifdef XPAR_MICROBLAZE_USE_ICACHE
+    Xil_ICacheEnable();
+#endif
+#ifdef XPAR_MICROBLAZE_USE_DCACHE
+    Xil_DCacheEnable();
+#endif
+#endif
+}
+
+void
+disable_caches()
+{
+    Xil_DCacheDisable();
+    Xil_ICacheDisable();
+}
+
+void
+init_uart()
+{
+#ifdef STDOUT_IS_PS7_UART
+    /* Use the PS UART for Zynq devices */
+    XUartPs Uart_Ps_0;
+    XUartPs_Config *Config_0 = XUartPs_LookupConfig(UART_DEVICE_ID);
+    XUartPs_CfgInitialize(&Uart_Ps_0, Config_0, Config_0->BaseAddress);
+    XUartPs_SetBaudRate(&Uart_Ps_0, UART_BAUD);
+#elif defined(STDOUT_IS_16550)
+    XUartNs550_SetBaud(STDOUT_BASEADDR, XPAR_XUARTNS550_CLOCK_HZ, UART_BAUD);
+    XUartNs550_SetLineControlReg(STDOUT_BASEADDR, XUN_LCR_8_DATA_BITS);
+#endif
+}
+
+void
+init_platform()
+{
+    enable_caches();
+    init_uart();
+}
+
+void
+cleanup_platform()
+{
+    disable_caches();
+}
diff --git a/ecen427/platform.h b/ecen427/platform.h
new file mode 100644
index 0000000..efc9088
--- /dev/null
+++ b/ecen427/platform.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2008 Xilinx, Inc.  All rights reserved.
+ *
+ * Xilinx, Inc.
+ * XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
+ * COURTESY TO YOU.  BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
+ * ONE POSSIBLE   IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
+ * STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
+ * IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
+ * FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
+ * XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
+ * THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
+ * ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
+ * FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+
+#ifndef __PLATFORM_H_
+#define __PLATFORM_H_
+
+#include "platform_config.h"
+
+void init_platform();
+void cleanup_platform();
+
+#endif
diff --git a/ecen427/platform_config.h b/ecen427/platform_config.h
new file mode 100644
index 0000000..df292fe
--- /dev/null
+++ b/ecen427/platform_config.h
@@ -0,0 +1,8 @@
+#ifndef __PLATFORM_CONFIG_H_
+#define __PLATFORM_CONFIG_H_
+
+#ifdef __PPC__
+#define CACHEABLE_REGION_MASK 0x80000080
+#endif
+
+#endif
diff --git a/ecen427/score.c b/ecen427/score.c
new file mode 100644
index 0000000..190bee4
--- /dev/null
+++ b/ecen427/score.c
@@ -0,0 +1,618 @@
+#include "score.h"
+#include "xintc_l.h"        // Provides handy macros for the interrupt controller.
+
+#define SCORE_START1 20
+#define SCORE_START2 360
+int score_position[10] = {SCORE_START1, SCORE_START1+12, SCORE_START1+24, SCORE_START1+36, SCORE_START1+48,    \
+							SCORE_START2, SCORE_START2+12, SCORE_START2+24, SCORE_START2+36, SCORE_START2+48};
+
+int score_x = 20;
+int score_y = 10;
+
+
+int number_position[4] = {100, 116, 132, 148};
+int number_x = 100;
+int number_y = 10;
+
+int tank_position[3] = {440, 480, 520};
+int tank_x = 440;
+int tank_y = 10;
+
+int lives = 3;
+
+
+#define GAMEOVER_X 250
+
+int gameover_position[8] = {GAMEOVER_X, GAMEOVER_X+12, GAMEOVER_X+24, GAMEOVER_X+36, GAMEOVER_X+64, GAMEOVER_X+76, GAMEOVER_X+88, GAMEOVER_X+100};
+int game_x = 250;
+int game_y = 200;
+
+
+int total_score = 0;
+
+
+#define TANK_HEIGHT 16
+#define TANK_WIDTH 32
+extern int tank[TANK_HEIGHT];
+
+void renderScore(unsigned int* framePointer) {		// draw for the first time
+	short x=0, y=0;
+	int i;
+
+	for(i=0; i<10; i++){
+		score_x = score_position[i];
+		switch(i){
+		case 0:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((s_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00FFFFFF;
+					} else {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 1:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((c_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00FFFFFF;
+					} else {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 2:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((o_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00FFFFFF;
+					} else {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+
+		case 3:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((r_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00FFFFFF;
+					} else {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00000000;
+					}
+				}
+			}
+
+			break;
+		case 4:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((e_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00FFFFFF;
+					} else {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 5:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((l_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00FFFFFF;
+					} else {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 6:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((i_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00FFFFFF;
+					} else {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 7:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((v_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00FFFFFF;
+					} else {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 8:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((e_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00FFFFFF;
+					} else {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 9:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((s_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00FFFFFF;
+					} else {
+						framePointer[(score_y+x)*640 + score_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+
+		default :
+
+			break;
+		}
+	}
+
+}
+
+
+void updateMyscore(int adding_score){
+	total_score += adding_score;
+}
+
+void drawNumber(unsigned int* framePointer, int digit, int number){
+	short x=0, y=0;
+
+	for(x = 0; x < SCORE_HEIGHT; x++) {
+		for(y = 0; y < SCORE_WIDTH; y++){
+			framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x00000000;
+		}
+	}
+
+	switch(number){
+	case 0:
+		for(x = 0; x < SCORE_HEIGHT; x++) {
+			for(y = 0; y < SCORE_WIDTH; y++){
+				if ((o_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x0000FF00;
+				} else {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 1:
+		for(x = 0; x < SCORE_HEIGHT; x++) {
+			for(y = 0; y < SCORE_WIDTH; y++){
+				if ((one_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x0000FF00;
+				} else {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 2:
+		for(x = 0; x < SCORE_HEIGHT; x++) {
+			for(y = 0; y < SCORE_WIDTH; y++){
+				if ((two_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x0000FF00;
+				} else {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 3:
+		for(x = 0; x < SCORE_HEIGHT; x++) {
+			for(y = 0; y < SCORE_WIDTH; y++){
+				if ((three_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x0000FF00;
+				} else {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 4:
+		for(x = 0; x < SCORE_HEIGHT; x++) {
+			for(y = 0; y < SCORE_WIDTH; y++){
+				if ((four_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x0000FF00;
+				} else {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 5:
+		for(x = 0; x < SCORE_HEIGHT; x++) {
+			for(y = 0; y < SCORE_WIDTH; y++){
+				if ((five_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x0000FF00;
+				} else {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 6:
+		for(x = 0; x < SCORE_HEIGHT; x++) {
+			for(y = 0; y < SCORE_WIDTH; y++){
+				if ((six_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x0000FF00;
+				} else {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 7:
+		for(x = 0; x < SCORE_HEIGHT; x++) {
+			for(y = 0; y < SCORE_WIDTH; y++){
+				if ((seven_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x0000FF00;
+				} else {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 8:
+		for(x = 0; x < SCORE_HEIGHT; x++) {
+			for(y = 0; y < SCORE_WIDTH; y++){
+				if ((eight_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x0000FF00;
+				} else {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 9:
+		for(x = 0; x < SCORE_HEIGHT; x++) {
+			for(y = 0; y < SCORE_WIDTH; y++){
+				if ((nine_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x0000FF00;
+				} else {
+					framePointer[(number_y+x)*640 + number_position[digit]+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	default:
+		break;
+	}
+
+}
+
+void updateNumber(unsigned int* framePointer){
+	int i;
+	int first;
+	int second;
+	int third;
+	int fourth;
+
+	int temp_score = total_score;
+
+	if(temp_score >= 1000){		// 4-digit scores
+		for(i = 0; i < 4; i++){
+			switch(i){
+			case 0:
+				fourth = 0;
+				drawNumber(framePointer, 3, fourth);
+				break;
+			case 1:
+				third = temp_score % 10;
+				temp_score -= third;
+				drawNumber(framePointer, 2, third);
+				break;
+			case 2:
+				second = temp_score % 10;
+				temp_score -= second;
+				drawNumber(framePointer, 1, second);
+				break;
+			case 3:
+				first = temp_score;
+				drawNumber(framePointer, 0, first);
+				break;
+
+			default:
+				break;
+			}
+			temp_score = temp_score / 10;
+		}
+
+
+	}
+	else if(temp_score >= 100 && temp_score < 1000){		// 3-digit scores
+		for(i = 0; i < 3; i++){
+			switch(i){
+			case 0:
+				third = temp_score % 10;
+				temp_score -= third;
+				drawNumber(framePointer, 2, third);
+				break;
+			case 1:
+				second = temp_score % 10;
+				temp_score -= second;
+				drawNumber(framePointer, 1, second);
+				break;
+			case 2:
+				first = temp_score;
+				drawNumber(framePointer, 0, first);
+				break;
+			default:
+				break;
+			}
+			temp_score = temp_score / 10;
+		}
+
+	}
+	else if(temp_score >= 10 && temp_score < 100){		// 2-digit scores
+		for(i = 0; i < 2; i++){
+			switch(i){
+			case 0:
+				second = temp_score % 10;
+				temp_score -= second;
+				drawNumber(framePointer, 1, second);
+				break;
+			case 1:
+				first = temp_score;
+				drawNumber(framePointer, 0, first);
+				break;
+			default:
+				break;
+			}
+			temp_score = temp_score / 10;
+		}
+
+	}
+}
+
+
+
+void renderNumber(unsigned int* framePointer) {		// draw for the first time
+	short x=0, y=0;
+
+	for(x = 0; x < SCORE_HEIGHT; x++) {
+		for(y = 0; y < SCORE_WIDTH; y++){
+			if ((o_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+				framePointer[(number_y+x)*640 + number_position[0]+y] = 0x0000FF00;
+			} else {
+				framePointer[(number_y+x)*640 + number_position[0]+y] = 0x00000000;
+			}
+		}
+	}
+
+}
+
+void renderTanks(unsigned int* framePointer) {		// draw for the first time
+	short x=0, y=0;
+	int i;
+
+	for(i=0; i<3; i++){
+		tank_x = tank_position[i];
+		switch(i){
+		case 0:
+			for(x = 0; x < TANK_HEIGHT; x++) {
+				for(y = 0; y < TANK_WIDTH; y++){
+					if ((tank[x%TANK_HEIGHT] & (1<<(TANK_WIDTH-1-y)))) {
+						framePointer[(tank_y+x)*640 + tank_x+y] = 0x0000FF00;
+					} else {
+						framePointer[(tank_y+x)*640 + tank_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 1:
+			for(x = 0; x < TANK_HEIGHT; x++) {
+				for(y = 0; y < TANK_WIDTH; y++){
+					if ((tank[x%TANK_HEIGHT] & (1<<(TANK_WIDTH-1-y)))) {
+						framePointer[(tank_y+x)*640 + tank_x+y] = 0x0000FF00;
+					} else {
+						framePointer[(tank_y+x)*640 + tank_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 2:
+			for(x = 0; x < TANK_HEIGHT; x++) {
+				for(y = 0; y < TANK_WIDTH; y++){
+					if ((tank[x%TANK_HEIGHT] & (1<<(TANK_WIDTH-1-y)))) {
+						framePointer[(tank_y+x)*640 + tank_x+y] = 0x0000FF00;
+					} else {
+						framePointer[(tank_y+x)*640 + tank_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+
+		default :
+
+			break;
+		}
+	}
+
+}
+
+void blankTanks(unsigned int* framePointer, int which_tank){
+	short x=0, y=0;
+
+	tank_x = tank_position[which_tank];
+
+	for(x = 0; x < TANK_HEIGHT; x++) {
+		for(y = 0; y < TANK_WIDTH; y++){
+			framePointer[(tank_y+x)*640 + tank_x+y] = 0x00000000;
+
+		}
+	}
+
+}
+
+void gameOver(unsigned int* framePointer){
+	short x=0, y=0;
+	int i;
+	int counter;
+
+	XIntc_MasterDisable(XPAR_INTC_0_BASEADDR);
+	setGameState(0);
+
+	int row = 0;
+	int col = 0;
+	for(row=0; row<480; row++) {
+		for(col=0; col<640; col++) {
+			framePointer[row*640 + col] = 0x00000000;
+
+		}
+	}
+
+
+	for(i=0; i<8; i++){
+		counter = 0;
+		game_x = gameover_position[i];
+		switch(i){
+		case 0:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((g_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x00FF0000;
+					} else {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 1:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((a_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x0000FF00;
+					} else {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 2:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((m_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x000000FF;
+					} else {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+
+		case 3:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((e_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x00FFFF00;
+					} else {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 4:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((o_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x0000FFFF;
+					} else {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 5:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((v_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x00FF00FF;
+					} else {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+		case 6:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((e_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x008888FF;
+					} else {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+
+		case 7:
+			for(x = 0; x < SCORE_HEIGHT; x++) {
+				for(y = 0; y < SCORE_WIDTH; y++){
+					if ((r_block[x%SCORE_HEIGHT] & (1<<(SCORE_WIDTH-1-y)))) {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x00448844;
+					} else {
+						framePointer[(game_y+x)*640 + game_x+y] = 0x00000000;
+					}
+				}
+			}
+			break;
+
+		default :
+
+			break;
+		}
+
+		while(counter < 3000000){
+			counter++;
+		}
+
+	}
+	exit(0);
+
+}
+
+int tankDied(unsigned int* framePointer){
+
+	switch(lives){
+
+	case 3:
+		blankTanks(framePointer, 2);
+
+		break;
+
+	case 2:
+		blankTanks(framePointer, 1);
+		break;
+
+	case 1:
+		blankTanks(framePointer, 0);
+
+		break;
+
+	case 0:
+		gameOver(framePointer);
+		return 1;
+		break;
+
+	default:
+
+		break;
+	}
+	lives--;
+
+	return 0;
+}
diff --git a/ecen427/score.h b/ecen427/score.h
new file mode 100644
index 0000000..65ab1e4
--- /dev/null
+++ b/ecen427/score.h
@@ -0,0 +1,402 @@
+#ifndef SCORE_H_
+#define SCORE_H_
+
+#define SCORE_HEIGHT 16
+#define SCORE_WIDTH 10
+#define packWord10(b9,b8,b7,b6,b5,b4,b3,b2,b1,b0) \
+		((b9  << 9 ) | (b8  << 8 ) |						  \
+				(b7  << 7 ) | (b6  << 6 ) | (b5  << 5 ) | (b4  << 4 ) | (b3  << 3 ) | (b2  << 2 ) | (b1  << 1 ) | (b0  << 0 ))
+
+int s_block[SCORE_HEIGHT] =		// S block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+};
+
+int c_block[SCORE_HEIGHT] =		// C block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+};
+int o_block[SCORE_HEIGHT] =		// O block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+};
+
+int r_block[SCORE_HEIGHT] =		// R block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+};
+int e_block[SCORE_HEIGHT] =		// E block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+};
+
+int l_block[SCORE_HEIGHT] =		// L block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+};
+
+int i_block[SCORE_HEIGHT] =		// I block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+};
+
+int v_block[SCORE_HEIGHT] =		// V block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(0,0,1,1,0,0,1,1,0,0),
+		packWord10(0,0,1,1,0,0,1,1,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+};
+
+int g_block[SCORE_HEIGHT] =		// G block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,1,1,1,1,1,1),
+		packWord10(1,1,0,0,1,1,1,1,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+};
+
+int a_block[SCORE_HEIGHT] =		// A block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,1,1,0,0,1,1,0,0),
+		packWord10(0,0,1,1,0,0,1,1,0,0),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+};
+int m_block[SCORE_HEIGHT] =		// M block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,1,0,0,0,0,1,1,1),
+		packWord10(1,1,1,1,0,0,1,1,1,1),
+		packWord10(1,1,0,1,1,1,1,0,1,1),
+		packWord10(1,1,0,0,1,1,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+};
+
+int one_block[SCORE_HEIGHT] =		// 1 block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,1,1,1,1,0,0,0,0),
+		packWord10(0,0,1,1,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+		packWord10(0,0,0,0,1,1,0,0,0,0),
+};
+
+int two_block[SCORE_HEIGHT] =		// 2 block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+};
+
+int three_block[SCORE_HEIGHT] =		// 3 block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+};
+
+int four_block[SCORE_HEIGHT] =		// 4 block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+};
+int five_block[SCORE_HEIGHT] =		// 5 block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+};
+int six_block[SCORE_HEIGHT] =		// 6 block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,0,0,0,0,0,0,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,1,1,1,1,1,1,0,0),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+};
+int seven_block[SCORE_HEIGHT] =		// 7 block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(1,1,1,1,1,1,1,1,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,0,0,0,0,0,1,1,0),
+		packWord10(0,0,0,0,0,0,0,1,1,0),
+		packWord10(0,0,0,0,0,0,1,1,0,0),
+		packWord10(0,0,0,0,0,0,1,1,0,0),
+		packWord10(0,0,0,0,0,1,1,0,0,0),
+		packWord10(0,0,0,0,0,1,1,0,0,0),
+};
+int eight_block[SCORE_HEIGHT] =		// 8 block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+};
+int nine_block[SCORE_HEIGHT] =		// 9 block
+{
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,0,0,0,0,0,0,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(1,1,0,0,0,0,0,0,1,1),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+		packWord10(0,0,1,1,1,1,1,1,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,0,0,0,0,0,0,1,1),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+		packWord10(0,0,1,1,1,1,1,1,0,0),
+};
+
+#endif /* SCORE_H_ */
diff --git a/ecen427/shoot.c b/ecen427/shoot.c
new file mode 100644
index 0000000..de4d79e
--- /dev/null
+++ b/ecen427/shoot.c
@@ -0,0 +1,3 @@
+int shoot_soundData[] = {127,99,103,92,42,127,31,105,52,118,55,92,116,31,104,61,84,102,72,101,75,127,47,121,47,94,125,49,90,72,79,121,61,118,68,122,51,120,64,106,113,83,105,54,122,56,123,74,106,41,20,91,43,84,93,115,34,81,106,47,72,58,65,113,95,12,0,79,89,111,120,18,1,1,118,0,0,0,0,0,89,20,1,1,1,1,66,0,0,0,20,86,95,119,1,1,1,75,37,0,0,15,0,60,89,1,1,1,1,1,60,0,0,41,60,44,128,45,1,1,1,106,51,12,0,0,10,120,55,48,20,1,1,47,0,0,0,15,16,31,128,1,1,1,1,4,112,0,0,0,77,68,75,85,1,1,1,23,117,53,0,0,9,106,77,123,47,1,1,1,110,68,7,0,0,0,120,90,97,37,1,1,1,82,0,0,0,0,0,81,42,31,27,1,1,1,115,0,0,0,75,63,47,126,47,1,1,1,34,119,54,0,0,0,112,123,103,71,1,1,1,34,120,74,0,0,0,102,96,98,79,1,1,1,1,65,119,0,0,0,44,125,116,122,34,1,1,1,20,98,50,0,0,0,17,127,48,92,62,1,1,1,58,19,0,0,0,0,40,102,51,65,47,1,1,1,109,74,20,0,0,0,112,116,119,76,1,1,1,20,45,122,0,0,0,33,85,81,123,49,1,1,1,1,1,124,0,0,0,29,31,33,115,72,1,1,8,1,1,30,33,0,0,0,55,44,58,128,41,1,13,1,1,1,30,36,0,0,0,12,31,98,86,24,31,28,1,1,1,116,39,0,0,0,0,13,96,64,64,82,14,1,1,1,49,50,0,0,0,0,0,70,107,24,64,65,8,1,1,20,116,40,0,0,0,0,24,118,48,89,93,32,1,1,1,47,119,63,10,0,0,0,88,120,115,103,75,3,1,1,28,17,37,87,0,0,0,0,22,54,126,52,56,79,18,1,1,25,48,119,75,0,0,0,0,94,105,112,78,31,52,41,1,1,1,55,112,44,10,0,0,0,91,101,115,89,42,11,24,40,1,1,31,106,63,23,0,0,0,40,101,113,116,58,40,58,37,1,1,23,76,119,81,17,0,0,0,64,78,108,102,59,16,44,49,23,1,1,47,112,71,36,0,0,0,22,103,106,120,86,56,8,35,44,23,1,1,61,112,37,6,0,0,0,27,126,128,117,83,66,32,13,35,42,23,1,35,112,54,2,0,0,0,0,67,102,79,95,83,85,42,6,35,45,31,13,52,122,48,9,3,0,0,2,75,102,89,96,79,54,38,61,61,35,7,21,68,113,105,53,0,0,0,15,63,79,123,90,54,41,82,96,65,16,27,51,56,49,52,109,20,0,0,0,0,19,89,92,82,93,88,69,40,73,85,54,45,16,44,85,102,113,68,0,0,0,0,16,54,115,104,56,42,78,99,80,55,64,79,61,38,48,88,120,87,55,2,0,0,0,55,77,108,104,76,45,58,90,86,69,61,75,71,51,38,82,107,124,91,60,0,0,0,3,64,88,108,97,58,59,75,89,79,62,83,97,72,66,42,54,96,103,116,103,34,0,0,3,6,19,71,115,90,52,72,86,73,59,90,112,104,76,52,62,82,76,71,99,124,96,60,36,0,0,0,24,78,105,125,100,71,54,79,88,88,75,86,114,102,76,55,75,89,88,85,86,128,85,44,30,16,0,3,22,58,120,119,107,83,80,62,71,92,100,100,86,110,120,95,71,65,85,100,93,88,114,108,84,60,17,0,7,29,48,55,85,128,85,73,85,78,69,78,96,109,104,96,110,123,107,88,68,86,102,97,97,100,126,109,96,68,23,5,13,23,50,71,81,106,110,88,68,65,83,85,88,82,95,117,117,109,112,124,114,97,80,82,96,103,106,109,106,128,109,91,53,44,34,15,24,40,70,82,96,126,107,76,72,78,83,82,79,90,112,112,107,106,119,126,127,113,107,103,100,93,88,107,117,120,121,120,118,106,92,74,46,26,31,44,55,60,75,91,119,110,100,90,83,73,73,88,95,97,97,100,114,117,113,113,124,128,126,117,112,119,113,104,93,96,109,116,123,120,127,116,112,118,112,89,68,50,46,53,53,58,67,84,105,105,113,120,100,86,85,83,80,79,89,96,103,103,104,116,117,114,116,116,126,124,127,119,123,128,128,121,116,114,113,109,106,110,120,126,127,126,128,116,111,113,120,119,87,46,13,0,6,53,96,117,95,56,1,1,82,82,58,55,105,37,48,82,71,70,112,21,52,79,70,71,120,17,49,79,68,67,118,14,52,78,65,65,112,14,49,78,64,60,109,13,45,77,58,57,103,11,40,81,60,58,99,24,31,82,53,58,88,35,20,98,53,58,81,51,6,118,51,55,72,73,1,117,51,57,63,89,1,92,55,54,57,113,1,65,58,53,55,115,1,42,75,51,55,96,24,13,96,44,54,78,56,1,123,47,57,63,93,1,79,53,55,55,122,1,41,64,47,51,98,18,11,98,46,60,75,65,1,106,46,53,55,114,1,55,58,48,50,101,13,13,91,44,51,70,66,1,104,46,54,58,127,1,44,68,43,50,92,34,1,116,43,54,61,92,1,69,51,46,53,102,8,10,94,41,54,65,80,1,82,48,46,54,113,1,20,81,40,54,72,79,1,88,47,48,58,111,4,11,89,46,51,71,80,1,76,50,46,54,101,21,1,106,41,54,64,104,1,49,63,39,51,88,54,1,116,40,48,55,120,1,16,82,40,53,68,93,1,65,51,46,50,94,42,1,120,40,53,57,120,1,14,88,41,54,70,100,1,49,60,43,53,85,66,1,90,46,47,60,101,34,1,125,41,48,61,122,1,13,95,37,51,70,112,1,35,67,41,54,75,92,1,56,55,43,53,84,72,1,79,50,46,57,95,55,1,100,47,47,60,101,40,1,117,44,50,61,112,32,1,126,44,51,65,113,27,1,122,39,48,63,115,20,1,120,47,48,64,119,25,1,118,43,50,68,116,27,1,128,46,47,67,112,37,1,121,47,53,63,108,51,1,102,50,48,61,98,64,1,86,50,50,58,92,83,1,61,57,39,46,77,107,1,48,65,34,51,78,119,1,23,79,41,50,72,120,24,1,112,43,47,67,106,55,1,96,47,47,60,92,86,1,56,63,46,55,82,114,1,14,91,48,50,75,118,44,1,110,48,47,63,101,89,1,55,64,47,57,84,120,13,3,106,44,55,71,111,68,1,79,55,47,55,91,110,4,13,92,47,54,77,113,65,1,88,54,48,63,92,112,6,13,96,51,50,74,106,72,1,71,57,48,54,87,123,23,1,116,50,51,65,105,92,1,42,67,48,53,84,118,56,1,96,55,51,58,95,116,14,4,108,48,51,67,101,97,1,40,71,50,50,81,113,76,1,69,57,47,53,88,122,51,1,103,50,48,61,96,121,30,1,123,51,53,65,98,112,14,16,102,48,48,72,103,110,1,24,84,50,53,74,103,100,1,34,84,51,54,79,106,97,1,32,78,53,54,75,106,102,1,30,85,51,54,75,105,104,1,28,89,51,54,74,106,109,11,18,106,50,50,74,103,117,25,6,126,53,53,65,101,127,48,1,109,54,53,61,91,120,65,1,79,61,47,57,87,115,92,1,45,71,54,53,78,109,110,13,16,108,55,55,65,105,128,54,1,100,58,51,58,98,115,85,1,48,74,51,53,79,112,113,28,3,128,55,51,64,102,122,75,1,61,67,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+int shoot_numberOfSamples = 4080; //removed all negatives from []
+int shoot_sampleRate = 8;
diff --git a/ecen427/sounds.c b/ecen427/sounds.c
new file mode 100644
index 0000000..2d252aa
--- /dev/null
+++ b/ecen427/sounds.c
@@ -0,0 +1,215 @@
+/*
+ * sounds.c
+ *
+ *  Created on: Oct 26, 2013
+ *      Author: superman
+ */
+
+#include "sounds.h"
+
+extern int shoot_numberOfSamples;
+extern int tankDeath_numberOfSamples;
+extern int spaceShipSound_numberOfSamples;
+extern int spaceShipDeathSound_numberOfSamples;
+extern int alienDeathSound_numberOfSamples;
+extern int alienMovement1Sound_numberOfSamples;
+extern int alienMovement2Sound_numberOfSamples;
+extern int alienMovement3Sound_numberOfSamples;
+extern int alienMovement4Sound_numberOfSamples;
+
+
+extern int shoot_soundData[];
+extern int tankDeath_soundData[];
+extern int spaceShipSound_soundData[];
+extern int spaceShipDeathSound_soundData[];
+extern int alienDeathSound_soundData[];
+extern int alienMovement1Sound_soundData[];
+extern int alienMovement2Sound_soundData[];
+extern int alienMovement3Sound_soundData[];
+extern int alienMovement4Sound_soundData[];
+extern int alienSilenceSound_soundData[];
+int haveTankBulletSound = 0;
+int haveTankDeathSound = 0;
+int haveSpaceShipSound = 0;
+int haveSpaceShipDeathSound = 0;
+int haveAlienDeathSound = 0;
+int haveAlienMoveSound =1;
+
+int bulletSoundIndex = 0;
+int tankDeathIndex = 0;
+int spaceShipIndex = 0;
+int spaceShipDeathIndex = 0;
+int alienDeathIndex = 0;
+int alienCadenceIndex = 1;
+int alien1Index=0;
+int alien2Index=0;
+int alien3Index=0;
+int alien4Index=0;
+int isHaveTankBulletSound() {
+  return haveTankBulletSound;
+}
+void setHaveTankBulletSound(int x) {
+  haveTankBulletSound = x;
+}
+
+int isHaveTankDeathSound() {
+  return haveTankDeathSound;
+}
+void setHaveTankDeathSound(int x) {
+  haveTankDeathSound = x;
+}
+
+int isHaveSpaceShipSound() {
+  return haveSpaceShipSound;
+}
+void setHaveSpaceShipSound(int x) {
+  haveSpaceShipSound = x;
+}
+
+int isHaveSpaceShipDeathSound() {
+  return haveSpaceShipDeathSound;
+}
+void setHaveSpaceShipDeathSound(int x) {
+  haveSpaceShipDeathSound = x;
+}
+
+int isHaveAlienDeathSound() {
+  return haveAlienDeathSound;
+}
+void setHaveAlienDeathSound(int x) {
+  haveAlienDeathSound = x;
+}
+int isAlienSoundCadence(){
+	return alienCadenceIndex;
+}
+void setAlienSoundCadence(int x){
+	alienCadenceIndex = x;
+}
+//Responsible for rotating the different alien sounds called in the timer
+void incrementAlienSoundCadence(){
+	if(isAlienSoundCadence() == 8)
+		setAlienSoundCadence(1);
+	else
+		setAlienSoundCadence(isAlienSoundCadence() + 1);
+}
+
+void fillSound(){
+  int i;
+  for(i=0;i<256;i++){
+    Xuint32 sample = getNextSample();
+    XAC97_mSetInFifoData(XPAR_AXI_AC97_0_BASEADDR,sample);
+  }
+}
+
+
+Xuint32 getNextSample(){
+
+  Xuint32 sample = 0x00000000; //Play no sound
+
+  if (haveTankBulletSound != 0) {
+    sample = (shoot_soundData[bulletSoundIndex] | (shoot_soundData[bulletSoundIndex])<<16);
+    if(bulletSoundIndex < (shoot_numberOfSamples - 1)){
+      bulletSoundIndex++;
+    } else {
+      bulletSoundIndex = 0;
+      haveTankBulletSound = 0;
+    }
+  } else if (haveTankDeathSound != 0) {
+    sample = (tankDeath_soundData[tankDeathIndex] | (tankDeath_soundData[tankDeathIndex])<<16);
+    if (tankDeathIndex < (tankDeath_numberOfSamples - 1)) {
+      tankDeathIndex++;
+    } else {
+      tankDeathIndex = 0;
+      haveTankDeathSound = 0;
+    }
+  } else if (haveSpaceShipSound != 0 ) { //set in setHaveSpaceShip global
+    sample = (spaceShipSound_soundData[spaceShipIndex] | (spaceShipSound_soundData[spaceShipIndex])<<16);
+    if (spaceShipIndex < (spaceShipSound_numberOfSamples -1)) {
+      spaceShipIndex++;
+    } else {
+      spaceShipIndex = 0;
+      //Set no sound when it goes off the page - Done by setHaveSpaceShip global
+
+    }
+  } else if (haveSpaceShipDeathSound != 0) {
+    sample = (spaceShipDeathSound_soundData[spaceShipDeathIndex] | (spaceShipDeathSound_soundData[spaceShipDeathIndex])<<16);
+    if (spaceShipDeathIndex < (spaceShipDeathSound_numberOfSamples - 1)) {
+      spaceShipDeathIndex++;
+    } else {
+      spaceShipDeathIndex = 0;
+      haveSpaceShipDeathSound = 0;
+    }
+
+  }
+  else if (haveAlienDeathSound != 0) {
+      sample = (alienDeathSound_soundData[alienDeathIndex] | (alienDeathSound_soundData[alienDeathIndex])<<16);
+      if (alienDeathIndex < (alienDeathSound_numberOfSamples - 1)) {
+        alienDeathIndex++;
+      } else {
+        alienDeathIndex = 0;
+        haveAlienDeathSound = 0;
+      }
+    }
+//Set to always on since aliens are always in the game
+  else if (haveAlienMoveSound != 0){
+	  //Performs the change in the four different sounds which are incremented by the alienCounter which is in timer_interrupt_handler()
+	  switch (isAlienSoundCadence()){
+	  case 1:
+		  sample = (alienMovement1Sound_soundData[alien1Index] | (alienMovement1Sound_soundData[alien1Index]) <<16);
+
+		  if(alien1Index < (alienMovement1Sound_numberOfSamples -1)){
+			  alien1Index++;
+		  }
+		  else{
+			  alien1Index = 0;
+		  }
+
+
+	  break;
+	  case 3:
+		  sample = (alienMovement2Sound_soundData[alien2Index] | (alienMovement2Sound_soundData[alienCadenceIndex]) <<16);
+
+		  if(alien2Index < (alienMovement2Sound_numberOfSamples -1)){
+		  			  alien2Index++;
+		  		  }
+		  		  else{
+		  			  alien2Index = 0;
+		  		  }
+		  break;
+	 case 5:
+		  sample = (alienMovement3Sound_soundData[alien3Index] | (alienMovement3Sound_soundData[alienCadenceIndex]) <<16);
+
+		  if(alien3Index < (alienMovement3Sound_numberOfSamples -1)){
+		  			  alien3Index++;
+		  		  }
+		  		  else{
+		  			  alien3Index = 0;
+		  		  }
+		  break;
+	  case 7:
+
+
+		  sample = (alienMovement4Sound_soundData[alien4Index] | (alienMovement4Sound_soundData[alienCadenceIndex]) <<16);
+
+		  if(alien4Index < (alienMovement4Sound_numberOfSamples -1)){
+		  			  alien4Index++;
+		  		  }
+		  		  else{
+		  			  alien4Index = 0;
+		  		  }
+		  break;
+	  default:
+	 		  sample = 0x00000080;
+
+	 		 		  break;
+
+	  }
+
+
+
+  }
+
+  return sample;
+}
+
+
diff --git a/ecen427/sounds.h b/ecen427/sounds.h
new file mode 100644
index 0000000..bf277a8
--- /dev/null
+++ b/ecen427/sounds.h
@@ -0,0 +1,47 @@
+/*
+ * sounds.h
+ *
+ *  Created on: Oct 29, 2013
+ *      Author: superman
+ */
+
+#ifndef SOUNDS_H_
+#define SOUNDS_H_
+
+#include <xbasic_types.h>
+#include "xparameters.h"
+#include "xac97_l.h"
+
+
+
+/**
+ * These are the Getters and setters to control global sounds
+ * Set the value to (1) in order to allow sound generation
+ * Set the value to (0) in order to halt the sound
+ */
+int isHaveTankBulletSound();
+void setHaveTankBulletSound(int x);
+
+int isHaveTankDeathSound();
+void setHaveTankDeathSound(int x);
+
+int isHaveSpaceShipSound();
+void setHaveSpaceShipSound(int x);
+
+int isHaveSpaceShipDeathSound();
+void setHaveSpaceShipDeathSound(int x);
+
+int isHaveAlienDeathSound(); 
+void setHaveAlienDeathSound(int x); 
+
+int isAlienSoundCadence();
+void setAlienSoundCadence();
+void incrementAlienSoundCadence();
+//This loops through 128 values to control the fifo input of ac97
+void fillSound();
+
+
+Xuint32 getNextSample();
+
+#endif /* SOUNDS_H_ */
+
diff --git a/ecen427/spaceShipDeathSound.c b/ecen427/spaceShipDeathSound.c
new file mode 100644
index 0000000..a4604b0
--- /dev/null
+++ b/ecen427/spaceShipDeathSound.c
@@ -0,0 +1,3 @@
+int spaceShipDeathSound_soundData[] = {1,94,102,101,46,7,47,59,111,106,96,80,93,30,36,57,99,120,74,95,31,13,47,64,116,101,94,85,75,10,49,62,114,102,84,70,8,31,53,92,118,100,82,94,33,30,55,89,124,79,95,18,18,47,71,119,102,86,97,50,17,53,73,120,85,101,25,9,43,62,114,101,90,92,50,17,52,73,120,87,97,24,10,44,71,114,103,90,93,34,23,53,84,125,89,78,9,23,48,91,124,93,92,73,7,44,58,109,93,96,36,6,42,64,110,104,90,88,29,28,53,95,113,97,58,0,37,52,104,115,89,94,35,20,52,85,116,99,57,0,35,53,104,117,89,94,35,20,52,85,113,101,54,0,37,54,106,107,99,80,18,31,54,101,106,98,22,8,42,76,117,96,104,47,8,47,71,127,107,59,0,31,51,104,114,100,76,12,34,55,104,109,86,10,13,45,92,123,96,97,22,23,52,94,119,92,19,8,43,81,125,94,101,24,20,50,90,115,92,19,8,43,88,127,100,86,14,29,52,107,118,71,2,19,47,102,113,108,55,4,43,61,-128,116,38,0,36,60,107,108,107,24,11,47,103,122,66,4,22,47,93,117,111,40,6,44,81,123,92,16,8,43,90,125,113,53,3,41,68,126,102,21,5,40,86,127,112,50,3,41,73,121,85,19,7,42,97,117,111,37,8,46,93,113,60,2,19,54,106,116,88,13,23,50,112,126,32,0,39,77,126,115,46,4,43,82,113,59,2,19,59,109,122,73,6,29,60,113,99,16,6,44,99,121,93,20,18,53,106,116,19,3,40,91,127,95,22,15,54,103,110,21,3,40,96,122,84,19,18,62,106,92,9,8,50,104,126,63,1,34,81,102,53,0,31,64,116,116,40,4,50,92,124,24,1,47,92,112,72,4,26,74,105,48,0,40,64,116,101,28,9,64,93,89,9,13,52,109,124,41,3,54,88,107,16,5,50,105,-128,45,2,57,85,113,17,4,54,108,125,40,3,59,85,94,13,18,55,109,114,29,7,72,87,62,0,47,70,107,74,9,32,71,119,28,0,49,100,125,36,4,66,84,72,0,46,68,104,67,4,43,74,117,21,6,64,99,99,19,17,68,116,36,0,57,98,126,23,8,71,95,38,0,56,90,126,27,7,67,102,33,0,60,93,117,25,10,75,108,35,0,67,90,97,16,33,61,114,24,11,71,97,64,1,61,66,68,0,57,72,126,35,4,67,118,42,0,73,87,68,1,61,65,60,0,69,69,113,21,30,57,107,21,30,66,112,41,1,69,121,32,1,75,99,51,1,72,97,39,0,74,89,52,1,67,96,38,0,83,93,50,1,68,110,36,9,72,102,39,1,61,113,18,39,66,122,25,29,55,66,0,72,69,75,1,62,84,44,0,61,103,44,16,63,87,7,58,60,80,9,63,94,31,13,69,127,32,29,68,55,0,72,95,47,9,59,78,4,65,71,54,3,58,99,12,61,65,63,7,57,105,19,60,67,61,9,56,97,14,64,77,54,4,69,80,7,63,108,50,4,80,60,3,68,112,37,23,113,43,30,66,69,12,61,87,10,65,109,49,10,104,58,16,68,76,13,57,84,12,65,122,42,16,126,43,44,76,61,10,89,63,13,66,78,13,67,76,12,64,92,26,47,82,18,64,109,32,39,88,17,65,113,34,45,86,23,64,105,25,52,79,21,68,87,20,79,69,24,74,64,10,110,55,37,93,50,25,103,33,59,112,28,65,74,25,83,72,5,116,38,61,123,35,71,79,26,93,63,18,101,33,70,101,12,122,60,45,125,34,78,84,23,105,64,31,93,23,96,82,7,94,28,92,92,7,95,38,81,101,6,103,40,88,99,12,95,35,95,94,13,89,25,114,80,37,86,19,121,49,94,87,38,108,20,107,59,86,96,23,87,22,120,55,99,86,50,97,23,91,30,127,58,97,81,55,91,26,86,23,111,50,127,63,101,80,73,80,51,87,36,81,31,98,40,100,38,113,57,120,54,123,59,118,61,112,71,109,64,102,66,109,68,106,76,111,65,113,62,126,54,124,56,105,47,98,55,91,44,75,59,75,66,67,91,58,121,65,103,50,85,58,75,68,62,104,53,105,68,85,53,64,93,52,106,73,85,59,55,115,46,80,82,68,102,58,98,50,51,110,45,68,94,59,115,75,79,90,57,98,59,43,116,51,46,126,46,50,118,46,69,96,56,106,78,78,91,58,105,50,57,116,46,103,78,68,77,58,123,37,72,80,62,93,66,119,46,81,67,66,75,62,109,53,121,63,98,46,85,56,76,51,72,67,70,79,70,91,61,102,63,114,65,115,66,116,60,109,69,107,67,99,67,93,72,77,75,65,78,44,79,35,78,31,99,40,106,53,124,70,89,79,52,83,29,73,30,106,47,121,72,71,86,25,73,29,118,56,85,77,43,95,23,102,63,82,93,10,75,32,116,78,33,72,21,125,59,59,82,18,117,50,72,78,23,122,48,68,80,21,127,55,53,77,21,109,62,20,77,31,91,79,3,98,46,60,106,16,109,66,37,112,44,39,80,25,78,75,12,118,51,42,113,47,33,82,27,70,87,9,90,56,23,83,47,10,125,46,46,102,43,23,93,33,66,123,36,41,81,26,70,116,31,46,81,23,70,118,30,36,89,32,65,119,37,24,104,38,44,98,40,8,122,50,25,77,56,10,81,56,8,73,95,30,40,97,31,59,88,41,12,97,53,6,74,87,27,42,109,33,45,80,48,8,77,60,12,72,110,30,16,96,42,7,75,113,31,27,105,33,17,68,96,24,37,110,32,19,75,103,22,39,97,28,10,76,115,27,29,85,43,3,78,104,26,11,73,68,9,67,74,51,14,62,118,19,27,71,114,21,28,74,46,7,76,77,40,9,67,108,21,12,79,120,23,9,70,80,15,52,69,95,22,34,68,46,12,73,69,76,12,55,72,38,0,78,72,64,13,50,68,40,5,72,73,85,20,33,71,59,9,59,76,109,15,17,77,101,18,22,79,109,25,4,77,92,15,0,85,86,67,14,47,73,76,8,45,80,118,21,7,82,103,14,2,67,83,100,16,21,83,121,14,5,77,100,70,15,41,80,93,9,18,74,112,61,10,48,77,83,11,24,72,112,56,10,44,82,89,12,12,75,115,75,12,28,83,122,9,5,69,107,108,6,18,80,100,24,0,71,80,-128,37,5,56,82,87,3,15,73,117,98,6,23,81,103,28,0,63,79,-128,57,6,41,80,127,11,4,65,95,-128,33,5,59,87,110,6,7,70,103,123,27,7,63,89,107,4,8,67,102,125,34,5,53,86,117,3,6,68,94,126,58,7,35,88,118,19,1,55,75,123,100,7,23,78,104,81,0,18,69,112,119,42,4,51,87,121,14,2,46,79,127,107,7,17,72,98,104,0,10,59,97,118,82,3,29,77,110,89,0,15,64,105,123,73,6,29,78,116,86,0,18,64,102,118,78,4,29,73,110,100,0,13,60,98,118,101,6,23,69,99,116,11,5,51,73,121,116,44,5,43,82,125,70,0,23,62,111,115,91,3,28,67,106,114,15,5,43,76,124,109,63,1,37,74,126,105,0,13,52,90,116,111,44,6,45,79,123,100,0,19,53,92,115,105,41,7,46,79,120,103,0,14,56,84,116,106,68,1,41,74,117,108,10,6,43,71,120,105,94,1,35,61,102,111,67,0,28,62,110,114,102,43,8,46,83,-128,104,11,8,42,70,122,96,104,3,29,52,92,107,99,0,17,51,82,115,98,92,1,37,60,106,107,90,0,24,59,89,117,97,92,1,37,54,107,111,91,0,22,51,83,113,96,99,12,28,52,87,112,101,23,6,40,67,127,102,94,61,6,46,67,124,99,77,0,30,60,96,108,95,92,15,31,57,97,108,88,33,6,43,60,114,106,94,87,1,41,63,107,106,90,11,13,45,68,125,104,90,82,2,44,65,109,103,91,10,13,45,68,127,98,93,82,2,44,56,102,101,90,42,5,42,67,119,108,90,92,18,33,54,82,112,96,78,0,34,54,99,113,96,90,73,6,49,0};
+int spaceShipDeathSound_numberOfSamples = 1802;
+int spaceShipDeathSound_sampleRate = 8;
diff --git a/ecen427/spaceShipSound.c b/ecen427/spaceShipSound.c
new file mode 100644
index 0000000..c0573f7
--- /dev/null
+++ b/ecen427/spaceShipSound.c
@@ -0,0 +1,3 @@
+int spaceShipSound_soundData[] = {120,123,123,127,126,127,123,126,127,123,126,126,127,123,128,123,128,127,127,127,128,128,128,128,128,126,125,125,125,126,127,127,127,127,127,127,127,127,127,127,127,128,128,128,128,128,128,127,126,126,126,126,127,127,127,127,127,127,126,125,125,125,126,127,127,127,127,127,128,128,128,128,127,124,125,125,125,127,127,127,127,127,128,127,124,126,124,126,124,126,124,125,125,125,126,127,127,124,127,124,126,124,125,126,125,125,126,125,126,124,126,127,126,126,125,126,125,126,125,125,126,126,126,127,127,127,127,125,125,126,127,127,126,126,126,126,127,125,126,125,125,125,126,125,123,125,126,125,126,125,126,124,125,126,125,126,124,125,125,126,127,127,128,128,128,128,128,128,128,127,127,126,126,126,126,127,127,127,127,127,127,127,127,128,128,128,128,128,128,128,127,127,127,127,127,127,127,127,127,127,127,127,127,127,128,123,123,122,127,122,128,126,126,127,123,126,121,127,126,127,123,128,128,128,123,127,120,123,128,123,128,123,125,128,128,128,128,120,128,127,128,123,127,128,128,128,128,123,124,124,125,125,123,127,127,125,124,127,124,124,123,125,128,128,122,122,124,128,120,128,122,125,123,127,119,122,124,128,120,128,122,125,128,127,121,121,125,125,119,128,123,128,127,123,119,118,124,125,120,126,127,122,125,122,122,123,120,120,128,123,125,123,124,118,118,126,125,120,125,122,126,126,121,116,118,120,124,118,124,126,121,120,110,115,125,125,116,126,123,122,122,114,125,118,121,118,123,124,124,123,115,116,115,121,120,122,123,124,125,109,115,116,119,120,119,125,124,128,111,110,115,121,117,118,125,124,126,109,108,112,119,119,113,125,128,128,103,111,110,119,118,118,125,124,122,106,114,112,114,119,117,124,120,110,99,123,115,113,114,123,122,128,104,98,109,120,112,113,128,120,116,96,120,106,115,112,120,128,120,101,95,115,115,113,111,124,119,115,89,120,107,110,114,120,123,127,90,104,106,111,108,112,127,123,101,90,121,109,110,106,118,122,120,81,106,104,107,103,112,126,125,98,85,117,109,104,101,120,124,119,78,98,101,109,104,107,124,120,104,71,117,101,103,98,113,122,125,87,74,117,103,98,99,116,119,120,72,85,113,96,96,102,118,122,116,65,85,106,95,94,98,118,124,113,67,81,99,95,91,100,116,128,112,66,74,105,88,88,98,113,119,116,65,67,118,91,86,91,112,119,121,74,57,116,87,82,87,101,118,124,94,50,80,96,78,83,91,114,126,107,58,54,119,78,78,76,99,115,122,84,46,80,93,67,75,89,107,124,111,55,46,117,75,65,72,94,114,123,92,44,55,117,71,65,73,100,115,116,79,36,59,104,62,64,71,104,121,116,72,30,59,100,59,57,71,104,117,112,72,34,48,110,57,53,67,98,114,118,76,32,41,122,62,42,62,85,110,118,89,43,26,81,80,37,48,69,102,123,102,57,24,43,121,48,33,55,87,113,120,81,43,16,68,83,34,33,61,98,116,108,66,28,23,92,66,26,35,68,100,124,100,49,18,28,108,62,18,33,62,98,124,95,52,17,19,98,65,17,23,57,95,121,98,58,21,12,74,79,18,12,43,88,117,110,65,29,6,47,110,39,2,26,66,103,122,89,42,15,11,77,81,17,1,34,77,113,111,69,35,8,19,104,65,4,0,41,80,121,107,61,25,9,18,97,66,2,0,36,75,115,107,60,24,10,14,81,75,17,0,13,67,104,115,78,36,13,4,48,113,44,0,0,43,85,124,98,47,19,14,14,78,76,26,0,0,57,98,123,79,39,13,13,19,92,67,12,0,0,57,96,118,78,36,14,12,19,84,82,24,0,0,36,86,126,83,46,19,9,14,53,125,42,0,0,1,62,107,111,65,27,11,10,20,75,95,31,0,0,11,64,111,103,55,26,8,15,24,67,98,31,0,0,1,55,105,109,64,25,13,13,23,48,117,57,9,0,0,26,82,119,88,43,17,7,20,36,65,118,46,2,0,0,24,86,123,89,40,18,8,20,37,60,123,56,14,0,0,16,61,110,99,53,28,10,17,33,50,85,107,42,2,0,0,20,68,120,95,47,23,11,18,38,52,85,116,46,8,0,0,12,49,102,113,61,29,12,14,33,49,73,99,89,29,4,0,12,13,59,105,107,55,26,13,16,33,53,69,96,111,46,17,0,2,18,40,81,126,84,40,21,11,26,40,62,82,104,109,48,19,4,6,20,42,71,115,94,52,28,11,24,36,58,80,93,118,96,44,19,8,13,32,50,74,107,98,56,32,18,25,41,56,78,96,108,123,79,37,20,15,23,39,63,85,104,102,58,37,23,28,44,56,79,92,113,121,108,61,38,22,21,36,52,69,88,109,111,69,42,28,35,41,61,75,95,105,123,126,104,59,39,28,29,44,58,74,94,108,126,88,57,35,36,41,57,71,89,103,115,125,126,109,80,57,37,38,40,53,70,89,100,116,126,93,62,45,42,47,61,71,90,101,116,126,126,119,117,90,65,48,40,48,62,74,88,99,111,120,121,98,72,58,50,53,66,75,92,100,115,120,125,121,119,114,113,85,67,55,54,60,70,84,93,105,113,122,127,113,99,75,62,60,64,73,85,95,103,115,122,125,125,122,122,116,114,105,82,69,63,62,71,81,93,98,111,119,125,128,122,116,107,87,74,65,68,77,81,95,108,110,120,125,127,123,120,120,118,120,115,119,108,92,76,72,66,79,84,92,98,108,119,125,127,122,119,123,116,114,103,90,79,74,78,86,88,99,105,112,116,124,126,128,123,120,123,120,119,119,119,118,119,113,115,105,94,83,81,75,88,94,99,108,109,121,123,127,126,126,121,122,118,120,124,118,118,111,103,92,90,84,89,95,101,103,109,114,121,122,123,126,123,126,123,123,121,119,119,122,117,120,117,119,115,114,113,117,115,114,112,107,116,110,111,107,100,98,91,98,101,108,111,115,119,123,126,127,126,122,122,122,123,121,118,123,118,117,114,117,116,117,111,116,115,114,113,108,98,93,90,94,96,105,105,115,117,121,125,128,126,122,124,121,118,123,114,118,115,114,115,112,114,113,113,107,113,110,109,112,94,86,80,84,80,92,96,99,114,110,122,125,128,122,128,120,119,125,118,114,113,101,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+int spaceShipSound_numberOfSamples = 20805;  //used to be 25805  also removed all negatives from []
+int spaceShipSound_sampleRate = 8;
diff --git a/ecen427/tank.c b/ecen427/tank.c
new file mode 100644
index 0000000..a6c74d6
--- /dev/null
+++ b/ecen427/tank.c
@@ -0,0 +1,111 @@
+#include "tank.h"
+
+void renderTank(unsigned int* framePointer) {
+	short tankx, tanky;
+	tankx = getTankPositionX();
+	tanky = getTankPositionY();
+	int row, col;
+
+	for(row=0; row < 16; row++) {
+		for(col=0; col < 32; col++) {
+			if ((tank[row%16] & (1<<(32-1-col)))) {
+				framePointer[tanky*640 + tankx] = 0x0000FF00;
+
+			} else {
+				framePointer[tanky*640 + tankx] = 0x00000000;
+			}
+			tankx++;
+		}
+		tankx=getTankPositionX();
+		tanky++;
+	}
+}
+void renderDying1(unsigned int* framePointer) {
+	short tankx, tanky;
+	tankx = getTankPositionX();
+	tanky = getTankPositionY();
+	int row, col;
+
+	for(row=0; row < 16; row++) {
+		for(col=0; col < 32; col++) {
+			if ((tank_dying1[row%16] & (1<<(32-1-col)))) {
+				framePointer[tanky*640 + tankx] = 0x0000FF00;
+
+			} else {
+				framePointer[tanky*640 + tankx] = 0x00000000;
+			}
+			tankx++;
+		}
+		tankx=getTankPositionX();
+		tanky++;
+	}
+}
+void renderDying2(unsigned int* framePointer) {
+	short tankx, tanky;
+	tankx = getTankPositionX();
+	tanky = getTankPositionY();
+	int row, col;
+
+	for(row=0; row < 16; row++) {
+		for(col=0; col < 32; col++) {
+			if ((tank_dying2[row%16] & (1<<(32-1-col)))) {
+				framePointer[tanky*640 + tankx] = 0x0000FF00;
+
+			} else {
+				framePointer[tanky*640 + tankx] = 0x00000000;
+			}
+			tankx++;
+		}
+		tankx=getTankPositionX();
+		tanky++;
+	}
+}
+
+void blankTank(unsigned int* framePointer) {
+	short tankx, tanky;
+	tankx = getTankPositionX();
+	tanky = getTankPositionY();
+	int row, col;
+	for(row=0; row < 16; row++) {
+		for(col=0; col < 32; col++) {
+			framePointer[tanky*640 + tankx] = 0x00000000;
+			tankx++;
+		}
+		tankx=getTankPositionX();
+		tanky++;
+	}
+
+}
+void moveTankL(unsigned int* framePointer) {
+	short dir = getDirection();
+	short tankx, tanky;
+	tankx = getTankPositionX();
+	tanky = getTankPositionY();
+	if(tankx+32 == 638) {
+		tankx -= 2;
+		setTankPosition(tankx, tanky);
+	}
+	if(tankx == 4 || tankx+32 == 638) {
+	}
+	else {
+		tankx -= 2;
+		setTankPosition(tankx, tanky);
+	}
+}
+
+void moveTankR(unsigned int* framePointer) {
+	short dir = getDirection();
+	short tankx, tanky;
+	tankx = getTankPositionX();
+	tanky = getTankPositionY();
+	if(tankx == 0) {
+		tankx += 2;
+		setTankPosition(tankx, tanky);
+	}
+	if(tankx == 0 || tankx+32 == 638) {
+	}
+	else {
+		tankx += 2;
+		setTankPosition(tankx, tanky);
+	}
+}
diff --git a/ecen427/tank.h b/ecen427/tank.h
new file mode 100644
index 0000000..702f876
--- /dev/null
+++ b/ecen427/tank.h
@@ -0,0 +1,77 @@
+#ifndef TANK_H_
+#define TANK_H_
+#define TANK_HEIGHT 16
+#define TANK_WIDTH 32
+#define packWord32(b31,b30,b29,b28,b27,b26,b25,b24,b23,b22,b21,b20,b19,b18,b17,b16,b15,b14,b13,b12,b11,b10,b9,b8,b7,b6,b5,b4,b3,b2,b1,b0) \
+		((b31 << 31) | (b30 << 30) | (b29 << 29) | (b28 << 28) | (b27 << 27) | (b26 << 26) | (b25 << 25) | (b24 << 24) |						  \
+				(b23 << 23) | (b22 << 22) | (b21 << 21) | (b20 << 20) | (b19 << 19) | (b18 << 18) | (b17 << 17) | (b16 << 16) |						  \
+				(b15 << 15) | (b14 << 14) | (b13 << 13) | (b12 << 12) | (b11 << 11) | (b10 << 10) | (b9  << 9 ) | (b8  << 8 ) |						  \
+				(b7  << 7 ) | (b6  << 6 ) | (b5  << 5 ) | (b4  << 4 ) | (b3  << 3 ) | (b2  << 2 ) | (b1  << 1 ) | (b0  << 0 ) )
+
+int tank[TANK_HEIGHT] =
+{
+		packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0),
+		packWord32(0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+
+};
+int tank_dying1[TANK_HEIGHT] =
+{
+		packWord32(0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,0,0),
+		packWord32(0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0),
+		packWord32(0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,1,1,0,0,1,1,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0),
+		packWord32(0,0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0),
+		packWord32(0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+
+};
+int tank_dying2[TANK_HEIGHT] =
+{
+		packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,0,0,0,1,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0),
+		packWord32(0,0,0,0,0,0,0,0,1,1,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0),
+		packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,1,1,0,0,0,0),
+		packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,1,1,1,1,0,0,0,0,1,1,0,0,0,0),
+		packWord32(0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+		packWord32(0,0,1,1,0,0,0,0,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0),
+		packWord32(0,0,0,0,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,0,0,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+		packWord32(0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0),
+
+};
+
+void renderTank(unsigned int*);
+void blankTank(unsigned int*);
+void moveTankL(unsigned int*);
+void moveTankR(unsigned int*);
+
+#endif /* TANK_H_ */
diff --git a/ecen427/tankDeath.c b/ecen427/tankDeath.c
new file mode 100644
index 0000000..693a088
--- /dev/null
+++ b/ecen427/tankDeath.c
@@ -0,0 +1,383 @@
+int tankDeath_soundData[] = {
+120, 119, 119, 119, 120, 120, 129, 130,
+133, 129, 125, 119, 119, 119, 125, 128,
+135, 137, 133, 123, 109,  99,  91,  92,
+101, 116, 135, 140, 143, 130, 123, 105,
+ 96,  89,  92, 105, 115, 116, 120, 119,
+130, 133, 139, 149, 163, 171, 174, 173,
+161, 143, 133, 115,  99,  79,  72,  75,
+ 79,  82,  87, 103, 125, 143, 139, 137,
+137, 149, 163, 173, 168, 153, 133, 111,
+105, 106, 109, 119, 137, 149, 140, 133,
+133, 143, 154, 168, 183, 187, 188, 184,
+173, 163, 143, 113,  75,  39,   5,   0,
+  0,   3,   9,  19,  46,  82, 105, 120,
+135, 139, 144, 173, 195, 208, 211, 202,
+191, 181, 181, 202, 236, 255, 255, 255,
+255, 255, 240, 212, 192, 171, 130,  85,
+ 47,  36,  41,  37,  33,  43,  57,  51,
+ 33,   3,   0,   0,   0,   0,   5,   9,
+ 24,  67, 120, 157, 177, 201, 222, 239,
+250, 246, 236, 216, 192, 159, 101,  41,
+  0,   0,   0,   0,   0,   0,  58, 103,
+129, 161, 192, 218, 239, 242, 221, 184,
+163, 157, 157, 159, 163, 161, 129,  81,
+ 37,  17,   7,  19,  41,  61,  89, 139,
+178, 195, 205, 202, 184, 161, 153, 157,
+161, 181, 187, 177, 164, 149, 161, 197,
+246, 255, 255, 255, 255, 255, 252, 226,
+173, 105,  39,   0,   0,   0,  19,  71,
+101, 133, 168, 183, 174, 163, 139, 113,
+ 99,  77,  47,  31,  36,  41,  39,  43,
+ 77, 125, 154, 149, 128,  95,  65,  57,
+ 79,  99, 130, 161, 173, 192, 221, 246,
+255, 235, 181, 115,  48,   0,   0,   0,
+ 19,  58, 115, 171, 216, 216, 177, 119,
+ 67,  43,  39,  31,  24,  17,  12,  15,
+ 27,  79, 149, 226, 255, 255, 255, 255,
+255, 255, 255, 240, 207, 157,  77,   3,
+  0,   0,   0,   0,   0,   0,  41,  72,
+ 79,  67,  67,  95, 115, 125, 128, 120,
+125, 147, 188, 222, 255, 255, 255, 255,
+255, 255, 249, 255, 255, 255, 255, 255,
+202, 140,  85,  29,   0,   0,   0,   0,
+  0,  46, 113, 129, 113,  79,  41,  17,
+ 27,  61,  79,  92, 103, 103, 106, 115,
+125, 154, 212, 255, 255, 255, 255, 255,
+255, 222, 163, 115,  85,  96, 128, 163,
+192, 207, 195, 143,  72,   0,   0,   0,
+  0,   0,   0,   0,   0,  53, 135, 201,
+255, 255, 255, 255, 255, 222, 183, 144,
+106,  63,   0,   0,   0,   0,   0,   0,
+  0,  29, 133, 192, 212, 207, 216, 245,
+255, 255, 255, 249, 211, 205, 221, 250,
+255, 255, 255, 255, 212, 140, 106, 105,
+135, 167, 195, 218, 216, 192, 164, 135,
+115, 105,  96,  92,  95, 103, 109, 119,
+115,  85,  47,  15,  15,  47,  87, 115,
+135, 149, 159, 188, 232, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 183, 106,
+ 55,  17,  27,  58,  87, 129, 174, 218,
+239, 215, 161,  95,  31,   0,   0,   0,
+  2,  17,  39,  87, 129, 147, 157, 168,
+183, 188, 168, 115,  65,  31,  29,  33,
+ 29,  36,  53,  61,  65,  70,  85,  92,
+ 82,  82,  75,  58,  41,  48,  58,  72,
+103, 149, 192, 229, 239, 226, 201, 164,
+144, 143, 147, 137, 119, 103,  87,  85,
+115, 161, 221, 255, 255, 246, 236, 218,
+208, 183, 150, 128, 111, 101,  92,  99,
+116, 135, 144, 149, 157, 163, 164, 164,
+167, 159, 154, 154, 163, 173, 183, 187,
+187, 191, 187, 177, 167, 161, 150, 137,
+119, 106, 101,  99,  99,  96, 103, 105,
+ 99,  92,  79,  70,  70,  71,  75,  77,
+ 77,  82, 101, 123, 137, 144, 154, 163,
+174, 177, 173, 173, 161, 153, 137, 111,
+ 82,  53,  29,  22,  29,  37,  58,  87,
+106, 119, 133, 149, 163, 173, 174, 164,
+147, 137, 135, 133, 135, 139, 135, 120,
+ 95,  72,  65,  58,  65,  75,  85,  99,
+119, 130, 140, 147, 143, 135, 137, 153,
+168, 168, 171, 161, 139, 123, 106, 113,
+135, 171, 207, 235, 255, 255, 255, 255,
+255, 221, 154,  77,  17,   0,   3,  46,
+ 79,  91, 103, 120, 128, 119, 113,  92,
+ 70,  51,  31,  17,   7,  12,  27,  48,
+ 81, 130, 187, 212, 202, 171, 139, 113,
+106, 116, 119, 129, 140, 140, 153, 171,
+191, 195, 173, 130,  92,  57,  23,  13,
+ 22,  36,  58,  99, 143, 177, 183, 157,
+119,  85,  71,  77,  89,  91,  79,  71,
+ 71,  79, 119, 171, 216, 255, 255, 249,
+236, 225, 211, 202, 191, 173, 143,  82,
+ 19,   0,   0,   0,   0,   0,   0,  46,
+ 72,  79,  67,  70,  95, 113, 123, 123,
+120, 123, 144, 178, 205, 240, 255, 255,
+255, 255, 246, 236, 246, 255, 255, 255,
+252, 205, 150, 101,  43,   0,   0,   0,
+  0,   0,  48, 109, 123, 105,  71,  36,
+ 15,  24,  58,  77,  95, 103, 101, 106,
+113, 128, 154, 212, 255, 255, 255, 255,
+255, 255, 222, 163, 115,  85,  96, 128,
+163, 192, 207, 195, 143,  72,   0,   0,
+  0,   0,   0,   0,   0,   0,  53, 135,
+201, 255, 255, 255, 255, 255, 222, 183,
+144, 106,  63,   0,   0,   0,   0,   0,
+  0,   0,  29, 133, 192, 212, 207, 216,
+245, 255, 255, 255, 249, 211, 205, 221,
+250, 255, 255, 255, 255, 212, 140, 106,
+105, 135, 167, 195, 218, 216, 192, 164,
+135, 115, 105,  96,  92,  95, 103, 109,
+119, 115,  85,  43,  13,  12,  46,  85,
+115, 133, 149, 161, 188, 236, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 191,
+106,  51,  13,  22,  51,  82, 125, 177,
+226, 250, 225, 164,  96,  22,   0,   0,
+  0,   0,   0,  24,  77, 125, 144, 157,
+167, 183, 192, 168, 113,  53,  19,  17,
+ 24,  19,  24,  47,  57,  57,  57,  72,
+ 81,  72,  70,  58,  33,  12,  19,  37,
+ 57,  99, 159, 216, 255, 255, 249, 216,
+171, 149, 147, 147, 133, 103,  77,  55,
+ 53,  92, 157, 240, 255, 255, 255, 255,
+255, 255, 250, 208, 173, 149, 123, 101,
+101, 115, 135, 147, 150, 153, 149, 147,
+144, 149, 140, 143, 143, 144, 140, 140,
+144, 140, 143, 143, 143, 143, 139, 140,
+140, 140, 140, 137, 135, 137, 137, 137,
+133, 130, 129, 130, 129, 129, 128, 128,
+125, 125, 125, 128, 128, 128, 120, 120,
+119, 123, 119, 116, 120, 116, 119, 119,
+119, 115, 119, 116, 113, 115, 115, 115,
+115, 113, 109, 106, 109, 113, 109, 109,
+109, 109, 109, 109, 109, 109, 109, 109,
+113, 113, 111, 115, 116, 116, 115, 115,
+113,  96,  77,  75,  75,  67,  71, 105,
+153, 183, 181, 154, 120,  87,  61,  48,
+ 46,  48,  63,  87, 143, 212, 255, 255,
+255, 255, 255, 235, 143,  77,  58,  67,
+ 92,  92,  75,  57,  37,  24,  17,  15,
+  9,   0,   0,   0,   0,   0,   0,   3,
+ 71, 159, 250, 255, 255, 255, 255, 240,
+232, 229, 211, 171, 128,  95,  70,  55,
+ 46,  43,  33,   3,   0,  33,  81, 113,
+111,  96,  77,  61,  53,  53,  57,  75,
+ 96, 120, 149, 177, 212, 255, 255, 255,
+255, 255, 255, 255, 255, 183, 106,  43,
+  0,   0,   0,   0,   0,   0,   5,  67,
+ 99, 105, 103,  96,  89,  82,  77,  79,
+ 77,  79,  82,  89,  92,  99, 103, 109,
+111, 115, 115, 116, 101,  55,  24,   7,
+  7,  24,  48,  75, 113, 147, 171, 202,
+218, 236, 242, 255, 255, 255, 255, 255,
+255, 255, 255, 250, 109,   9,   0,   0,
+  0,   0,   0,  23,  96, 130, 120,  89,
+ 53,  19,   3,   0,   0,   0,   0,   3,
+ 15,  24,  24,   0,   0,   9,  61, 109,
+125, 120, 105, 101, 130, 178, 226, 245,
+229, 198, 164, 139, 116, 103,  99,  92,
+ 95,  99,  96,  89,  61,  36,  22,  31,
+ 87, 159, 207, 215, 202, 174, 168, 177,
+171, 154, 133, 129, 150, 154, 154, 157,
+183, 218, 229, 225, 221, 225, 215, 178,
+133,  89,  57,  29,  15,   9,  12,  17,
+ 24,  31,  41,  43,  29,  37,  51,  63,
+ 92, 133, 154, 149, 147, 135, 125, 123,
+115, 113, 111, 109, 105, 106, 105,  89,
+ 87, 115, 137, 149, 149, 144, 143, 137,
+133, 129, 128, 125, 125, 123, 128, 125,
+128, 128, 128, 128, 130, 128, 128, 125,
+125, 129, 129, 130, 133, 129, 128, 128,
+125, 125, 113, 113, 109, 115, 133, 143,
+149, 144, 137, 135, 129, 120, 123, 113,
+106, 113, 119, 119, 123, 120, 120, 119,
+115, 119, 116, 113, 103,  75,  58,  72,
+113, 149, 164, 183, 188, 181, 163, 143,
+128, 116, 111, 103, 103, 103,  99, 103,
+105, 105, 106, 106, 109, 109, 113, 111,
+115, 116, 116, 116, 119, 116, 120, 119,
+119, 119, 119, 119, 119, 113,  85,  55,
+ 29,  33,  70, 103, 125, 135, 140, 137,
+135, 135, 140, 171, 208, 236, 255, 255,
+255, 255, 242, 202, 171, 129,  87,  71,
+ 67,  55,  41,  48,  77, 113, 120, 125,
+139, 144, 135, 103,  71,  43,  24,  15,
+  5,   0,   0,   0,   0,  19,  37,  67,
+113, 174, 226, 245, 229, 211, 177, 149,
+129, 111, 106,  95,  96,  99, 103, 109,
+115, 119, 120,  99,  71,  77,  89,  95,
+101, 105, 137, 187, 240, 255, 245, 211,
+184, 178, 174, 163, 153, 163, 197, 218,
+216, 216, 225, 225, 202, 159, 120,  95,
+ 63,  48,  43,  39,  43,  48,  53,  61,
+ 67,  71,  79,  85,  89,  91,  92,  87,
+ 61,  36,  19,  12,  19,  33,  71, 129,
+168, 192, 198, 205, 232, 255, 255, 255,
+255, 255, 255, 222, 192, 171, 140,  92,
+ 47,  17,   0,   0,   0,   0,   0,   0,
+ 23,  63,  99, 111, 109,  92,  75,  75,
+103, 154, 192, 202, 188, 178, 171, 154,
+163, 178, 198, 211, 184, 139,  81,  27,
+ 15,  12,  19,  53,  96, 143, 159, 154,
+133, 115,  92,  67,  51,  46,  33,  23,
+ 12,  13,  23,  39,  91, 163, 226, 255,
+255, 255, 255, 255, 255, 242, 205, 154,
+125, 103,  95,  96, 123, 150, 161, 147,
+125, 109,  91,  85,  79,  79,  79,  85,
+ 85,  91,  96, 101, 105, 109, 113, 115,
+123, 120, 123, 128, 130, 119,  96,  58,
+ 36,  19,  23,  39,  63,  89, 119, 150,
+174, 198, 222, 255, 255, 255, 255, 255,
+255, 255, 249, 168, 128, 111,  95, 101,
+123, 150, 168, 154, 128,  95,  48,   2,
+  0,   0,   0,   0,   0,  13,  57,  92,
+130, 150, 149, 137, 130, 135, 120,  92,
+ 72,  53,  41,  33,  36,  33,  22,  17,
+ 48,  91, 129, 144, 144, 149, 147, 147,
+143, 140, 140, 139, 140, 143, 149, 149,
+150, 153, 154, 157, 157, 159, 161, 161,
+161, 161, 161, 161, 157, 161, 157, 153,
+153, 150, 149, 147, 144, 147, 140, 135,
+115,  79,  53,  31,  27,  37,  55,  77,
+105, 133, 177, 232, 255, 255, 255, 255,
+255, 255, 255, 212, 154, 101,  65,  57,
+ 81, 128, 174, 215, 235, 231, 197, 129,
+ 58,  13,   0,   0,   0,   0,   0,   0,
+  0,   0,  51, 135, 198, 249, 252, 229,
+205, 188, 163, 128,  96,  70,  53,  46,
+ 43,  46,  53,  61,  57,  51,  57,  53,
+ 51,  53,  57,  79, 125, 181, 221, 229,
+225, 211, 211, 226, 255, 255, 255, 255,
+246, 208, 164, 130, 116, 125, 133, 133,
+137, 150, 168, 168, 153, 135, 115, 105,
+ 92,  87,  89,  89,  95, 101, 103, 109,
+113, 116, 115, 116, 125, 133, 133, 128,
+115, 103, 111, 128, 139, 149, 150, 150,
+144, 144, 139, 143, 153, 163, 174, 184,
+201, 202, 195, 178, 163, 150, 139, 120,
+116, 113, 109, 101, 103, 113, 129, 133,
+133, 137, 139, 130, 119, 106,  92,  82,
+ 65,  41,  39,  43,  57,  70,  65,  65,
+ 82, 111, 140, 168, 173, 163, 161, 159,
+181, 188, 188, 191, 192, 187, 164, 137,
+106,  91,  87,  87,  81,  82, 103, 111,
+101,  96,  95, 103, 123, 139, 140, 130,
+115, 101, 106, 116, 128, 154, 195, 240,
+255, 255, 249, 242, 235, 211, 164, 119,
+ 92,  65,  43,  17,   9,   5,   9,   9,
+ 22,  41,  70,  96, 116, 115, 105,  95,
+ 81,  71,  71,  65,  63,  72,  85, 105,
+144, 164, 187, 198, 208, 231, 252, 252,
+239, 235, 236, 222, 195, 181, 168, 153,
+116,  82,  57,  41,  27,  13,   0,   9,
+ 29,  55,  82, 111, 119, 119, 106,  95,
+ 95, 116, 153, 183, 191, 178, 171, 168,
+154, 159, 174, 188, 195, 177, 143,  92,
+ 51,  41,  37,  41,  63,  96, 130, 149,
+144, 135, 128, 113,  91,  79,  70,  57,
+ 46,  33,  31,  43,  58, 105, 164, 215,
+245, 255, 255, 245, 235, 236, 221, 188,
+144, 119, 103,  91,  96, 123, 147, 154,
+143, 123, 111,  92,  87,  81,  81,  81,
+ 85,  87,  92,  99, 103, 106, 111, 113,
+116, 120, 120, 123, 128, 128, 119,  99,
+ 61,  39,  23,  27,  41,  63,  91, 119,
+149, 174, 197, 222, 255, 255, 255, 255,
+255, 255, 255, 249, 168, 128, 111,  95,
+101, 123, 150, 168, 154, 128,  95,  48,
+  2,   0,   0,   0,   0,   0,  13,  57,
+ 92, 130, 150, 149, 137, 130, 135, 120,
+ 92,  72,  53,  41,  33,  36,  33,  22,
+ 17,  48,  91, 129, 144, 144, 149, 147,
+147, 143, 140, 140, 139, 140, 143, 149,
+149, 150, 153, 154, 157, 157, 159, 161,
+161, 161, 161, 161, 161, 157, 161, 157,
+153, 153, 150, 149, 147, 144, 147, 140,
+135, 115,  79,  53,  31,  27,  33,  53,
+ 75, 103, 135, 177, 232, 255, 255, 255,
+255, 255, 255, 255, 215, 157,  99,  61,
+ 55,  79, 129, 178, 218, 240, 239, 201,
+125,  53,   2,   0,   0,   0,   0,   0,
+  0,   0,   0,  39, 137, 211, 255, 255,
+240, 212, 192, 164, 125,  95,  58,  41,
+ 31,  29,  33,  41,  51,  43,  39,  46,
+ 37,  37,  39,  43,  70, 125, 195, 250,
+255, 255, 235, 226, 240, 255, 255, 255,
+255, 255, 232, 177, 135, 120, 130, 140,
+140, 149, 164, 188, 191, 167, 143, 116,
+ 99,  82,  79,  79,  77,  85,  91,  96,
+103, 111, 113, 113, 115, 128, 139, 143,
+144, 140, 133, 144, 150, 157, 159, 159,
+154, 149, 147, 140, 143, 140, 139, 140,
+137, 139, 139, 140, 140, 137, 139, 140,
+139, 140, 140, 139, 135, 139, 135, 137,
+137, 137, 133, 130, 129, 128, 129, 128,
+125,  99,  70,  79, 103, 119, 119,  99,
+ 87,  91, 109, 116, 119, 113, 106, 113,
+144, 202, 240, 255, 255, 255, 255, 225,
+168, 105,  65,  57,  53,  58,  92, 125,
+133, 106,  85,  79,  67,  48,  23,   7,
+  0,   0,   7,  22,  43,  82, 154, 225,
+255, 255, 255, 255, 255, 246, 221, 168,
+119,  95,  67,  29,   0,   0,   0,   0,
+  0,   0,   0,  61, 125, 163, 154, 128,
+ 91,  72,  89, 125, 144, 157, 173, 168,
+171, 173, 159, 168, 191, 216, 229, 215,
+168, 135, 125, 137, 137, 133, 144, 164,
+171, 168, 159, 150, 140, 130, 128, 128,
+129, 130, 130, 135, 140, 139, 144, 143,
+144, 149, 150, 153, 154, 149, 153, 149,
+149, 149, 149, 147, 147, 144, 143, 143,
+140, 139, 133, 128, 123, 105,  82,  82,
+ 96, 106, 135, 173, 197, 201, 201, 184,
+168, 159, 139, 130, 140, 164, 178, 174,
+153, 129, 109,  91,  79,  70,  65,  67,
+ 63,  67,  65,  65,  75,  95,  99, 105,
+105, 105, 105, 103, 103, 105, 106, 101,
+105, 106, 106, 109, 111, 109, 109, 113,
+115, 113, 116, 119, 116, 120, 116, 119,
+120, 120, 120, 120, 120, 120, 123, 129,
+128, 109, 101, 113, 128, 128, 105,  79,
+ 51,  41,  55, 103, 154, 183, 184, 184,
+195, 216, 218, 197, 163, 120,  87,  63,
+ 51,  51,  58,  85, 140, 208, 255, 255,
+255, 255, 255, 226, 164,  95,  47,  24,
+  5,   0,   0,  24,  67,  92, 106, 129,
+149, 143, 128, 113,  87,  75,  81, 103,
+120, 125, 111,  91,  72,  58,  51,  48,
+ 47,  39,  37,  27,  13,   7,   9,  19,
+ 43,  65, 116, 173, 222, 250, 255, 255,
+250, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 192, 135,  75,  13,   0,
+  0,   9,  63, 115, 161, 184, 178, 147,
+111,  82,  57,  31,  13,   0,   0,   0,
+  0,   0,   0,   0,   0,  33,  61,  79,
+ 95, 105, 125, 161, 195, 231, 255, 255,
+250, 225, 192, 164, 143, 129, 135, 171,
+226, 255, 255, 255, 255, 249, 192, 123,
+ 63,   9,   0,   0,   0,   0,  39, 113,
+183, 236, 255, 255, 235, 177, 130,  96,
+ 77,  47,   3,   0,   0,   0,   0,   0,
+  0,   0,  61, 153, 205, 212, 192, 183,
+195, 215, 236, 252, 235, 201, 173, 157,
+135,  91,  53,  39,  37,  31,  27,  24,
+ 29,  55, 111, 183, 255, 255, 255, 255,
+255, 246, 246, 232, 197, 150, 111,  87,
+ 58,  55,  70, 109, 174, 249, 255, 255,
+255, 255, 255, 252, 208, 147,  85,  23,
+  0,   0,   0,  24,  72, 128, 171, 181,
+168, 164, 163, 164, 167, 157, 120,  65,
+ 13,   2,  13,  24,  29,  53,  85, 123,
+140, 128,  92,  70,  77,  99, 109,  92,
+ 71,  61,  77, 125, 183, 240, 255, 255,
+255, 232, 197, 159, 150, 157, 144, 116,
+ 91,  95, 123, 157, 197, 226, 235, 218,
+178, 149, 130, 113, 103,  91,  87,  81,
+ 81,  82,  85,  92,  99, 101, 106,  87,
+ 55,  47,  72,  99, 109, 106, 115, 147,
+191, 229, 240, 212, 178, 159, 171, 173,
+159, 128, 101,  65,  51,  48,  72, 116,
+144, 163, 191, 232, 255, 255, 255, 255,
+212, 147,  89,  57,  57,  67,  87, 125,
+167, 205, 207, 188, 168, 154, 129,  82,
+ 27,   0,   0,   0,  13,  70, 120, 159,
+171, 154, 119,  87,  43,  19,  24,  37,
+ 31,  12,   0,   0,   0,  24,  61, 116,
+173, 201, 216, 222, 208, 201, 211, 225,
+245, 255, 255, 252, 229, 192, 144, 111,
+ 71,  15,   0,   0,   0,   0,   5,  23,
+ 72, 143, 215, 255, 255, 255, 246, 235,
+236, 255, 255, 231, 181, 128,  79,  47,
+ 27,  29,  51, 103, 174, 245, 255, 255,
+255, 232, 202, 171, 129,  92,  67,  53,
+ 65, 115, 171, 221, 255, 255, 255, 218,
+147,  85,  53,  46,  58,  79,  96, 105,
+103,  85,  37,   0,   0,   0,   0,   0,
+  0,   0,   0,  27,  51,  77, 105, 157,
+};
+
+int tankDeath_numberOfSamples = 3006;
+
+int tankDeath_sampleRate = 8;
+
diff --git a/ecen427/ufo.c b/ecen427/ufo.c
new file mode 100644
index 0000000..0b76500
--- /dev/null
+++ b/ecen427/ufo.c
@@ -0,0 +1,255 @@
+#include "ufo.h"
+
+void renderUfo(unsigned int* framePointer) {		// draw for the first time
+
+	if(getUfoState()){
+		short x=0, y=0;
+
+		for(x = 0; x < UFO_HEIGHT; x++) {
+			for(y = 0; y < UFO_WIDTH; y++){
+				if ((ufo[x%UFO_HEIGHT] & (1<<(UFO_WIDTH-1-y)))) {
+					framePointer[(getUfoPositionY()+x)*640 + getUfoPositionX()+y] = 0x00FF0000;
+				} else {
+					framePointer[(getUfoPositionY()+x)*640 + getUfoPositionX()+y] = 0x00000000;
+				}
+			}
+		}
+	}
+
+}
+
+void moveUfo(unsigned int* framePointer, int ufo_left) {
+	short ufox, ufoy;
+	ufox = getUfoPositionX();
+	ufoy = getUfoPositionY();
+
+	if((ufox+UFO_WIDTH) == 639 && !ufo_left) {
+		setUfoPositionX(ufox);
+		blankUfo(framePointer, getUfoPositionX(), getUfoPositionY());
+		setUfoState(0);
+	}
+	if(ufox == 0 && ufo_left) {
+		setUfoPositionX(ufox);
+		blankUfo(framePointer, getUfoPositionX(), getUfoPositionY());
+		setUfoState(0);
+	}
+	if(ufo_left) {
+		ufox -= 1;
+		setUfoPositionX(ufox);
+	}
+	else {
+		ufox += 1;
+		setUfoPositionX(ufox);
+	}
+}
+
+void blankUfo(unsigned int* framePointer, int ufox, int ufoy){
+	setHaveSpaceShipSound(0);
+	short row=0, col=0;
+	for(row = 0; row < UFO_HEIGHT; row++){
+		for(col = 0; col < UFO_WIDTH; col++){
+			framePointer[(ufoy+row)*640+(ufox+col)] = 0x00000000;
+		}
+	}
+}
+
+int selectingUfoscore(unsigned int* framePointer, int ufoscore){
+	int x_position = getUfoPositionX();
+	int y_position = getUfoPositionY();
+	int updatingscore = 0;
+	int counter = 0;
+
+	switch(ufoscore){
+	case 0:			// 50
+		renderUfoscore(framePointer, 5, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 0, x_position, y_position);
+		updatingscore = 50;
+		break;
+	case 1: 		// 100
+		renderUfoscore(framePointer, 1, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 0, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 0, x_position, y_position);
+
+		updatingscore = 100;
+		break;
+	case 2:			// 150
+		renderUfoscore(framePointer, 1, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 5, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 0, x_position, y_position);
+		updatingscore = 150;
+		break;
+	case 3: 		// 200
+		renderUfoscore(framePointer, 2, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 0, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 0, x_position, y_position);
+		updatingscore = 200;
+		break;
+	case 4:			// 250
+		renderUfoscore(framePointer, 2, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 5, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 0, x_position, y_position);
+		updatingscore = 250;
+		break;
+	case 5:			// 300
+		renderUfoscore(framePointer, 3, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 0, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 0, x_position, y_position);
+		updatingscore = 300;
+
+		break;
+	case 6:			// 350
+		renderUfoscore(framePointer, 3, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 5, x_position, y_position);
+		x_position = x_position + 8;
+		renderUfoscore(framePointer, 0, x_position, y_position);
+		updatingscore = 350;
+
+		break;
+	default:
+		break;
+
+	}
+
+	while(counter < 500000){
+		counter++;
+	}
+
+	blankUfo(framePointer, x_position-16, y_position);
+
+	return updatingscore;
+}
+
+void renderUfoscore(unsigned int* framePointer, int number, int x_position, int y_position){
+
+	short x=0, y=0;
+
+	switch(number){
+	case 0:
+		for(x = 0; x < UFOSCORE_HEIGHT; x++) {
+			for(y = 0; y < UFOSCORE_WIDTH; y++){
+				if ((ufo_zero_block[x%UFOSCORE_HEIGHT] & (1<<(UFOSCORE_WIDTH-1-y)))) {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00FF00FF;
+				} else {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 1:
+		for(x = 0; x < UFOSCORE_HEIGHT; x++) {
+			for(y = 0; y < UFOSCORE_WIDTH; y++){
+				if ((ufo_one_block[x%UFOSCORE_HEIGHT] & (1<<(UFOSCORE_WIDTH-1-y)))) {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00FF00FF;
+				} else {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00000000;
+				}
+			}
+		}
+
+		break;
+	case 2:
+		for(x = 0; x < UFOSCORE_HEIGHT; x++) {
+			for(y = 0; y < UFOSCORE_WIDTH; y++){
+				if ((ufo_two_block[x%UFOSCORE_HEIGHT] & (1<<(UFOSCORE_WIDTH-1-y)))) {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00FF00FF;
+				} else {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 3:
+		for(x = 0; x < UFOSCORE_HEIGHT; x++) {
+			for(y = 0; y < UFOSCORE_WIDTH; y++){
+				if ((ufo_three_block[x%UFOSCORE_HEIGHT] & (1<<(UFOSCORE_WIDTH-1-y)))) {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00FF00FF;
+				} else {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 4:
+		for(x = 0; x < UFOSCORE_HEIGHT; x++) {
+			for(y = 0; y < UFOSCORE_WIDTH; y++){
+				if ((ufo_four_block[x%UFOSCORE_HEIGHT] & (1<<(UFOSCORE_WIDTH-1-y)))) {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00FF00FF;
+				} else {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 5:
+		for(x = 0; x < UFOSCORE_HEIGHT; x++) {
+			for(y = 0; y < UFOSCORE_WIDTH; y++){
+				if ((ufo_five_block[x%UFOSCORE_HEIGHT] & (1<<(UFOSCORE_WIDTH-1-y)))) {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00FF00FF;
+				} else {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 6:
+		for(x = 0; x < UFOSCORE_HEIGHT; x++) {
+			for(y = 0; y < UFOSCORE_WIDTH; y++){
+				if ((ufo_six_block[x%UFOSCORE_HEIGHT] & (1<<(UFOSCORE_WIDTH-1-y)))) {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00FF00FF;
+				} else {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 7:
+		for(x = 0; x < UFOSCORE_HEIGHT; x++) {
+			for(y = 0; y < UFOSCORE_WIDTH; y++){
+				if ((ufo_seven_block[x%UFOSCORE_HEIGHT] & (1<<(UFOSCORE_WIDTH-1-y)))) {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00FF00FF;
+				} else {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 8:
+		for(x = 0; x < UFOSCORE_HEIGHT; x++) {
+			for(y = 0; y < UFOSCORE_WIDTH; y++){
+				if ((ufo_eight_block[x%UFOSCORE_HEIGHT] & (1<<(UFOSCORE_WIDTH-1-y)))) {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00FF00FF;
+				} else {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	case 9:
+		for(x = 0; x < UFOSCORE_HEIGHT; x++) {
+			for(y = 0; y < UFOSCORE_WIDTH; y++){
+				if ((ufo_nine_block[x%UFOSCORE_HEIGHT] & (1<<(UFOSCORE_WIDTH-1-y)))) {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00FF00FF;
+				} else {
+					framePointer[(y_position+x)*640 + x_position+y] = 0x00000000;
+				}
+			}
+		}
+		break;
+	default:
+		break;
+
+	}
+
+}
diff --git a/ecen427/ufo.h b/ecen427/ufo.h
new file mode 100644
index 0000000..b10e0f1
--- /dev/null
+++ b/ecen427/ufo.h
@@ -0,0 +1,134 @@
+#ifndef UFO_H_
+#define UFO_H_
+
+#define UFO_HEIGHT 16
+#define UFO_WIDTH 30
+#define UFOSCORE_HEIGHT 6
+#define UFOSCORE_WIDTH 6
+
+#define packWord6(b5,b4,b3,b2,b1,b0) \
+		((b5  << 5 ) | (b4  << 4 ) | (b3  << 3 ) | (b2  << 2 ) | (b1  << 1 ) | (b0  << 0 ))
+
+
+#define packWord30(b29,b28,b27,b26,b25,b24,b23,b22,b21,b20,b19,b18,b17,b16,b15,b14,b13,b12,b11,b10,b9,b8,b7,b6,b5,b4,b3,b2,b1,b0) \
+		((b29 << 29) | (b28 << 28) | (b27 << 27) | (b26 << 26) | (b25 << 25) | (b24 << 24) |						  \
+				(b23 << 23) | (b22 << 22) | (b21 << 21) | (b20 << 20) | (b19 << 19) | (b18 << 18) | (b17 << 17) | (b16 << 16) |						  \
+				(b15 << 15) | (b14 << 14) | (b13 << 13) | (b12 << 12) | (b11 << 11) | (b10 << 10) | (b9  << 9 ) | (b8  << 8 ) |						  \
+				(b7  << 7 ) | (b6  << 6 ) | (b5  << 5 ) | (b4  << 4 ) | (b3  << 3 ) | (b2  << 2 ) | (b1  << 1 ) | (b0  << 0 ) )
+
+int ufo[UFO_HEIGHT] =
+{
+		packWord30(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord30(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+		packWord30(0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+		packWord30(0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+		packWord30(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+		packWord30(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+		packWord30(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+		packWord30(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+		packWord30(0,0,0,1,1,1,0,0,1,1,1,0,0,1,1,1,0,0,1,1,1,0,0,1,1,1,1,0,0,0),
+		packWord30(0,0,0,1,1,1,0,0,1,1,1,0,0,1,1,1,0,0,1,1,1,0,0,1,1,1,1,0,0,0),
+		packWord30(0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0),
+		packWord30(0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0),
+		packWord30(0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,0,0),
+		packWord30(0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,0,0),
+		packWord30(0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0),
+		packWord30(0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0),
+
+};
+
+int ufo_zero_block[UFOSCORE_HEIGHT] =		// 0 block
+{
+		packWord6(0,0,1,1,0,0),
+		packWord6(0,0,1,1,0,0),
+		packWord6(1,1,0,0,1,1),
+		packWord6(1,1,0,0,1,1),
+		packWord6(0,0,1,1,0,0),
+		packWord6(0,0,1,1,0,0),
+};
+
+int ufo_one_block[UFOSCORE_HEIGHT] =		// 1 block
+{
+		packWord6(0,0,1,1,0,0),
+		packWord6(0,0,1,1,0,0),
+		packWord6(0,0,1,1,0,0),
+		packWord6(0,0,1,1,0,0),
+		packWord6(0,0,1,1,0,0),
+		packWord6(0,0,1,1,0,0),
+};
+int ufo_two_block[UFOSCORE_HEIGHT] =		// 2 block
+{
+		packWord6(1,1,1,1,1,1),
+		packWord6(0,0,0,0,0,1),
+		packWord6(0,0,0,0,0,1),
+		packWord6(1,1,1,1,1,1),
+		packWord6(1,0,0,0,0,0),
+		packWord6(1,1,1,1,1,1),
+};
+
+int ufo_three_block[UFOSCORE_HEIGHT] =		// 3 block
+{
+		packWord6(1,1,1,1,1,1),
+		packWord6(0,0,0,0,1,0),
+		packWord6(0,0,1,1,0,0),
+		packWord6(0,0,0,0,1,0),
+		packWord6(0,0,0,0,0,1),
+		packWord6(1,1,1,1,1,0),
+};
+int ufo_four_block[UFOSCORE_HEIGHT] =		// 4 block
+{
+		packWord6(1,0,0,0,0,1),
+		packWord6(1,0,0,0,0,1),
+		packWord6(1,0,0,0,0,1),
+		packWord6(1,1,1,1,1,1),
+		packWord6(0,0,0,0,0,1),
+		packWord6(0,0,0,0,0,1),
+};
+int ufo_five_block[UFOSCORE_HEIGHT] =		// 5 block
+{
+		packWord6(1,1,1,1,1,1),
+		packWord6(1,0,0,0,0,0),
+		packWord6(1,1,1,1,1,1),
+		packWord6(0,0,0,0,0,1),
+		packWord6(0,0,0,0,0,1),
+		packWord6(1,1,1,1,1,1),
+};
+int ufo_six_block[UFOSCORE_HEIGHT] =		// 6 block
+{
+		packWord6(1,1,1,1,1,1),
+		packWord6(1,0,0,0,0,0),
+		packWord6(1,0,0,0,0,0),
+		packWord6(1,1,1,1,1,1),
+		packWord6(1,0,0,0,0,1),
+		packWord6(1,1,1,1,1,1),
+};
+int ufo_seven_block[UFOSCORE_HEIGHT] =		// 7 block
+{
+		packWord6(1,1,1,1,1,1),
+		packWord6(1,1,1,1,1,1),
+		packWord6(0,0,0,0,1,1),
+		packWord6(0,0,0,0,1,1),
+		packWord6(0,0,0,0,1,1),
+		packWord6(0,0,0,0,1,1),
+};
+int ufo_eight_block[UFOSCORE_HEIGHT] =		// 8 block
+{
+		packWord6(0,0,1,1,0,0),
+		packWord6(1,1,0,0,1,1),
+		packWord6(0,0,1,1,0,0),
+		packWord6(1,1,0,0,1,1),
+		packWord6(1,1,0,0,1,1),
+		packWord6(0,0,1,1,0,0),
+};
+int ufo_nine_block[UFOSCORE_HEIGHT] =		// 9 block
+{
+		packWord6(0,0,1,1,0,0),
+		packWord6(1,1,0,0,1,1),
+		packWord6(1,1,0,0,1,1),
+		packWord6(0,0,1,1,1,1),
+		packWord6(0,0,0,0,1,1),
+		packWord6(1,1,1,1,1,1),
+};
+
+
+#endif /* UFO_H_ */
diff --git a/ecen427/vdma.c b/ecen427/vdma.c
new file mode 100644
index 0000000..83ec661
--- /dev/null
+++ b/ecen427/vdma.c
@@ -0,0 +1,872 @@
+#include <stdio.h>
+#include "platform.h"
+#include "xparameters.h"
+#include "xaxivdma.h"
+#include "xio.h"
+#include "time.h"
+#include "unistd.h"
+#include "xgpio.h"          // Provides access to PB GPIO driver.
+#include "mb_interface.h"   // provides the microblaze interrupt enables, etc.
+#include "xintc_l.h"        // Provides handy macros for the interrupt controller.
+#include "xac97_l.h"
+#include "nes.h"
+#include "global.h"
+#include <xuartlite_l.h>
+
+XGpio gpLED;  // This is a handle for the LED GPIO block.
+XGpio gpPB;   // This is a handle for the push-button GPIO block.
+
+
+#define DEBUG
+#define FRAME_BUFFER_0_ADDR 0xC5000000  // Starting location in DDR where we will store the images that we display.
+#define VOL_ATTN_MIN 0x0
+#define VOL_ATTN_MAX 0x1f
+
+Xuint32 vol_attn = 0x10;
+
+int mytimer = 0;
+int mycounter = 0;
+
+int onesec;
+int fifteenms;
+int fivems;
+int tenms;
+int buttonValid;
+int currentButtonState;
+int speed = 30;
+
+int holding;
+
+int gameState = 1;
+
+
+void increaseVolume() {
+  if((int)vol_attn > VOL_ATTN_MIN) {
+	vol_attn = vol_attn - 0x1;
+	XAC97_WriteReg(XPAR_AXI_AC97_0_BASEADDR, AC97_MasterVol, vol_attn | (vol_attn << 8));
+	XAC97_WriteReg(XPAR_AXI_AC97_0_BASEADDR, AC97_AuxOutVol, vol_attn | (vol_attn << 8));
+  }
+}
+void decreaseVolume() {
+  if((int)vol_attn < VOL_ATTN_MAX) {
+	vol_attn = vol_attn + 0x1;
+	XAC97_WriteReg(XPAR_AXI_AC97_0_BASEADDR, AC97_MasterVol, vol_attn | (vol_attn << 8));
+	XAC97_WriteReg(XPAR_AXI_AC97_0_BASEADDR, AC97_AuxOutVol, vol_attn | (vol_attn << 8));
+  }
+}
+void delayDying() {
+	int counter = 0;
+	while(counter < 500000){
+		counter++;
+	}
+}
+
+void setGameState(int mystate){
+	gameState = mystate;
+}
+
+unsigned int * framePointer = (unsigned int *) FRAME_BUFFER_0_ADDR;
+
+void pb_interrupt_handler();
+
+int isBottom(int value) {
+	short* aliens = getAliens();
+
+	if(value > 43) {
+		return 1;
+	}
+	if(value < 44 && value > 32) {
+		if(aliens[value+11] == 0) {
+			return 1;
+		}
+		else {
+			return 0;
+		}
+	}
+	if(value < 33 && value > 21) {
+		if(aliens[value+11] == 0 && aliens[value+22] == 0) {
+			return 1;
+		}
+		else {
+			return 0;
+		}
+	}
+	if(value < 22 && value > 10) {
+		if(aliens[value+11] == 0 && aliens[value+22] == 0 && aliens[value+33] == 0) {
+			return 1;
+		}
+		else {
+			return 0;
+		}
+	}
+	if(value < 11) {
+		if(aliens[value+11] == 0 && aliens[value+22] == 0 && aliens[value+33] == 0 && aliens[value+44] == 0) {
+			return 1;
+		}
+		else {
+			return 0;
+		}
+	}
+}
+
+int whatRow(int position) {
+	if(position > 43) {
+		return 120;
+	}
+	if(position < 44 && position > 32) {
+		return 94;
+	}
+	if(position < 33 && position > 21) {
+		return 68;
+	}
+	if(position < 22 && position > 10) {
+		return 42;
+	}
+	if(position < 11) {
+		return 16;
+	}
+
+}
+
+void collisionCleanUp(int x, int y) {
+	setHaveAlienDeathSound(1);
+	blankTankBullet(framePointer);
+	setTankBulletPositionY(0);
+	setTankBulletState(0);
+	delayDying();
+	dyingAlienHelper(framePointer, x, y);
+	int guise = getGuise();
+	if(guise == 0) {
+		renderAlien2(framePointer);
+	}
+	else {
+		renderAlien1(framePointer);
+	}
+	alienSpeed();
+}
+
+void alienCollision() {
+	int curTankY = ((getTankBulletPositionY()-2)*640);
+	int curTankX = getTankBulletPositionX()+3;
+	int curAlienX = getAlienBlockPositionX();
+	int curAlienY = getAlienBlockPositionY();
+	int ufoscore = 0;
+	int updatescore = 0;
+
+	if(framePointer[((getTankBulletPositionY()-2)*640) + getTankBulletPositionX()+3] == 0x00FF0000) {
+		setHaveSpaceShipDeathSound(1);
+		blankUfo(framePointer, getUfoPositionX(), getUfoPositionY());
+		setUfoState(0);
+		blankTankBullet(framePointer);
+		setTankBulletPositionY(0);
+		setTankBulletState(0);
+		// ufo score operation
+		ufoscore = rand()%7;
+		updatescore = selectingUfoscore(framePointer, ufoscore);
+		updateMyscore(updatescore);
+		updateNumber(framePointer);
+	}
+	if(framePointer[((getTankBulletPositionY()-2)*640) + getTankBulletPositionX()+3] == 0x00FFFFFF || \
+			framePointer[((getTankBulletPositionY()-2)*640) + getTankBulletPositionX()+5] == 0x00FFFFFF ||\
+			framePointer[((getTankBulletPositionY()-2)*640) + getTankBulletPositionX()] == 0x00FFFFFF){
+		curTankY = curTankY/640;
+		if(curAlienX > 1000) {
+			curAlienX -= 65535;
+		}
+		xil_printf("curX: %d\r\n", curAlienX);
+		if(curAlienY < curTankY && curTankY < curAlienY + 16 ) {
+			if(curAlienX < curTankX && curTankX < (curAlienX + 32)) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()), (getAlienBlockPositionY()));
+				setAliens(0, 0);
+				collisionCleanUp((getAlienBlockPositionX()), (getAlienBlockPositionY()));
+			}
+			if(curAlienX + 32 < curTankX && curTankX < curAlienX + 64) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+32), (getAlienBlockPositionY()));
+				setAliens(0, 1);
+				collisionCleanUp((getAlienBlockPositionX()+32), (getAlienBlockPositionY()));
+			}
+			if(curAlienX + 64 < curTankX && curTankX < curAlienX + 96) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+64), (getAlienBlockPositionY()));
+				setAliens(0, 2);
+				collisionCleanUp((getAlienBlockPositionX()+64), (getAlienBlockPositionY()));
+			}
+			if(curAlienX + 96 < curTankX && curTankX < curAlienX + 128) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+96), (getAlienBlockPositionY()));
+				setAliens(0, 3);
+				collisionCleanUp((getAlienBlockPositionX()+96), (getAlienBlockPositionY()));
+			}
+			if(curAlienX + 128 < curTankX && curTankX < curAlienX + 160) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+128), (getAlienBlockPositionY()));
+				setAliens(0, 4);
+				collisionCleanUp((getAlienBlockPositionX()+128), (getAlienBlockPositionY()));
+			}
+			if(curAlienX + 160 < curTankX && curTankX < curAlienX + 192) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+160), (getAlienBlockPositionY()));
+				setAliens(0, 5);
+				collisionCleanUp((getAlienBlockPositionX()+160), (getAlienBlockPositionY()));
+			}
+			if(curAlienX + 192 < curTankX && curTankX < curAlienX + 224) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+192), (getAlienBlockPositionY()));
+				setAliens(0, 6);
+				collisionCleanUp((getAlienBlockPositionX()+192), (getAlienBlockPositionY()));
+			}
+			if(curAlienX + 224 < curTankX && curTankX < curAlienX + 256) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+ 224), (getAlienBlockPositionY()));
+				setAliens(0, 7);
+				collisionCleanUp((getAlienBlockPositionX()+ 224), (getAlienBlockPositionY()));
+			}
+			if(curAlienX + 256 < curTankX && curTankX < curAlienX + 288) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+ 256), (getAlienBlockPositionY()));
+				setAliens(0, 8);
+				collisionCleanUp((getAlienBlockPositionX()+256), (getAlienBlockPositionY()));
+			}
+			if(curAlienX + 288 < curTankX && curTankX < curAlienX + 320) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+288), (getAlienBlockPositionY()));
+				setAliens(0, 9);
+				collisionCleanUp((getAlienBlockPositionX()+288), (getAlienBlockPositionY()));
+			}
+			if(curAlienX + 320 < curTankX && curTankX < curAlienX + 352) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+320), (getAlienBlockPositionY()));
+				setAliens(0, 10);
+				collisionCleanUp((getAlienBlockPositionX()+320), (getAlienBlockPositionY()));
+			}
+			updateMyscore(40);
+			updateNumber(framePointer);
+
+		}
+		if(curAlienY + 26 < curTankY && curTankY < curAlienY + 42) {
+			if(curAlienX < curTankX && curTankX < (curAlienX + 32)) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()), (getAlienBlockPositionY()+26));
+				setAliens(0, 11);
+				collisionCleanUp((getAlienBlockPositionX()), (getAlienBlockPositionY()+26));
+			}
+			if(curAlienX + 32 < curTankX && curTankX < curAlienX + 64) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+32), (getAlienBlockPositionY()+26));
+				setAliens(0, 12);
+				collisionCleanUp((getAlienBlockPositionX()+32), (getAlienBlockPositionY()+26));
+			}
+			if(curAlienX + 64 < curTankX && curTankX < curAlienX + 96) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+64), (getAlienBlockPositionY()+26));
+				setAliens(0, 13);
+				collisionCleanUp((getAlienBlockPositionX()+64), (getAlienBlockPositionY()+26));
+			}
+			if(curAlienX + 96 < curTankX && curTankX < curAlienX + 128) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+96), (getAlienBlockPositionY()+26));
+				setAliens(0, 14);
+				collisionCleanUp((getAlienBlockPositionX()+96), (getAlienBlockPositionY()+26));
+			}
+			if(curAlienX + 128 < curTankX && curTankX < curAlienX + 160) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+128), (getAlienBlockPositionY()+26));
+				setAliens(0, 15);
+				collisionCleanUp((getAlienBlockPositionX()+128), (getAlienBlockPositionY()+26));
+			}
+			if(curAlienX + 160 < curTankX && curTankX < curAlienX + 192) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+160), (getAlienBlockPositionY()+26));
+				setAliens(0, 16);
+				collisionCleanUp((getAlienBlockPositionX()+160), (getAlienBlockPositionY()+26));
+			}
+			if(curAlienX + 192 < curTankX && curTankX < curAlienX + 224) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+192), (getAlienBlockPositionY()+26));
+				setAliens(0, 17);
+				collisionCleanUp((getAlienBlockPositionX()+192), (getAlienBlockPositionY()+26));
+			}
+			if(curAlienX + 224 < curTankX && curTankX < curAlienX + 256) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+224), (getAlienBlockPositionY()+26));
+				setAliens(0, 18);
+				collisionCleanUp((getAlienBlockPositionX()+224), (getAlienBlockPositionY()+26));
+			}
+			if(curAlienX + 256 < curTankX && curTankX < curAlienX + 288) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+256), (getAlienBlockPositionY()+26));
+				setAliens(0, 19);
+				collisionCleanUp((getAlienBlockPositionX()+256), (getAlienBlockPositionY()+26));
+			}
+			if(curAlienX + 288 < curTankX && curTankX < curAlienX + 320) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+288), (getAlienBlockPositionY()+26));
+				setAliens(0, 20);
+				collisionCleanUp((getAlienBlockPositionX()+288), (getAlienBlockPositionY()+26));
+			}
+			if(curAlienX + 320 < curTankX && curTankX < curAlienX + 352) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+320), (getAlienBlockPositionY()+26));
+				setAliens(0, 21);
+				collisionCleanUp((getAlienBlockPositionX()+320), (getAlienBlockPositionY()+26));
+			}
+			updateMyscore(20);
+			updateNumber(framePointer);
+		}
+		if(curAlienY + 52 < curTankY && curTankY < curAlienY + 68) {
+			if(curAlienX < curTankX && curTankX < (curAlienX + 32)) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()), (getAlienBlockPositionY()+52));
+				setAliens(0, 22);
+				collisionCleanUp((getAlienBlockPositionX()), (getAlienBlockPositionY()+52));
+			}
+			if(curAlienX + 32 < curTankX && curTankX < curAlienX + 64) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+32), (getAlienBlockPositionY()+52));
+				setAliens(0, 23);
+				collisionCleanUp((getAlienBlockPositionX()+32), (getAlienBlockPositionY()+52));
+			}
+			if(curAlienX + 64 < curTankX && curTankX < curAlienX + 96) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+64), (getAlienBlockPositionY()+52));
+				setAliens(0, 24);
+				collisionCleanUp((getAlienBlockPositionX()+64), (getAlienBlockPositionY()+52));
+			}
+			if(curAlienX + 96 < curTankX && curTankX < curAlienX + 128) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+96), (getAlienBlockPositionY()+52));
+				setAliens(0, 25);
+				collisionCleanUp((getAlienBlockPositionX()+96), (getAlienBlockPositionY()+52));
+			}
+			if(curAlienX + 128 < curTankX && curTankX < curAlienX + 160) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+128), (getAlienBlockPositionY()+52));
+				setAliens(0, 26);
+				collisionCleanUp((getAlienBlockPositionX()+128), (getAlienBlockPositionY()+52));
+			}
+			if(curAlienX + 160 < curTankX && curTankX < curAlienX + 192) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+160), (getAlienBlockPositionY()+52));
+				setAliens(0, 27);
+				collisionCleanUp((getAlienBlockPositionX()+160), (getAlienBlockPositionY()+52));
+			}
+			if(curAlienX + 192 < curTankX && curTankX < curAlienX + 224) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+192), (getAlienBlockPositionY()+52));
+				setAliens(0, 28);
+				collisionCleanUp((getAlienBlockPositionX()+192), (getAlienBlockPositionY()+52));
+			}
+			if(curAlienX + 224 < curTankX && curTankX < curAlienX + 256) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+224), (getAlienBlockPositionY()+52));
+				setAliens(0, 29);
+				collisionCleanUp((getAlienBlockPositionX()+224), (getAlienBlockPositionY()+52));
+			}
+			if(curAlienX + 256 < curTankX && curTankX < curAlienX + 288) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+256), (getAlienBlockPositionY()+52));
+				setAliens(0, 30);
+				collisionCleanUp((getAlienBlockPositionX()+256), (getAlienBlockPositionY()+52));
+			}
+			if(curAlienX + 288 < curTankX && curTankX < curAlienX + 320) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+288), (getAlienBlockPositionY()+52));
+				setAliens(0, 31);
+				collisionCleanUp((getAlienBlockPositionX()+288), (getAlienBlockPositionY()+52));
+			}
+			if(curAlienX + 320 < curTankX && curTankX < curAlienX + 352) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+320), (getAlienBlockPositionY()+52));
+				setAliens(0, 32);
+				collisionCleanUp((getAlienBlockPositionX()+320), (getAlienBlockPositionY()+52));
+			}
+			updateMyscore(20);
+			updateNumber(framePointer);
+		}
+		if(curAlienY + 78 < curTankY && curTankY < curAlienY + 94) {
+			if(curAlienX < curTankX && curTankX < (curAlienX + 32)) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()), (getAlienBlockPositionY()+78));
+				setAliens(0, 33);
+				collisionCleanUp((getAlienBlockPositionX()), (getAlienBlockPositionY()+78));
+			}
+			if(curAlienX + 32 < curTankX && curTankX < curAlienX + 64) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+32), (getAlienBlockPositionY()+78));
+				setAliens(0, 34);
+				collisionCleanUp((getAlienBlockPositionX()+32), (getAlienBlockPositionY()+78));
+			}
+			if(curAlienX + 64 < curTankX && curTankX < curAlienX + 96) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+64), (getAlienBlockPositionY()+78));
+				setAliens(0, 35);
+				collisionCleanUp((getAlienBlockPositionX()+64), (getAlienBlockPositionY()+78));
+			}
+			if(curAlienX + 96 < curTankX && curTankX < curAlienX + 128) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+96), (getAlienBlockPositionY()+78));
+				setAliens(0, 36);
+				collisionCleanUp((getAlienBlockPositionX()+96), (getAlienBlockPositionY()+78));
+			}
+			if(curAlienX + 128 < curTankX && curTankX < curAlienX + 160) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+128), (getAlienBlockPositionY()+78));
+				setAliens(0, 37);
+				collisionCleanUp((getAlienBlockPositionX()+128), (getAlienBlockPositionY()+78));
+			}
+			if(curAlienX + 160 < curTankX && curTankX < curAlienX + 192) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+160), (getAlienBlockPositionY()+78));
+				setAliens(0, 38);
+				collisionCleanUp((getAlienBlockPositionX()+160), (getAlienBlockPositionY()+78));
+			}
+			if(curAlienX + 192 < curTankX && curTankX < curAlienX + 224) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+192), (getAlienBlockPositionY()+78));
+				setAliens(0, 39);
+				collisionCleanUp((getAlienBlockPositionX()+192), (getAlienBlockPositionY()+78));
+			}
+			if(curAlienX + 224 < curTankX && curTankX < curAlienX + 256) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+224), (getAlienBlockPositionY()+78));
+				setAliens(0, 40);
+				collisionCleanUp((getAlienBlockPositionX()+224), (getAlienBlockPositionY()+78));
+			}
+			if(curAlienX + 256 < curTankX && curTankX < curAlienX + 288) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+256), (getAlienBlockPositionY()+78));
+				setAliens(0, 41);
+				collisionCleanUp((getAlienBlockPositionX()+256), (getAlienBlockPositionY()+78));
+			}
+			if(curAlienX + 288 < curTankX && curTankX < curAlienX + 320) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+288), (getAlienBlockPositionY()+78));
+				setAliens(0, 42);
+				collisionCleanUp((getAlienBlockPositionX()+288), (getAlienBlockPositionY()+78));
+			}
+			if(curAlienX + 320 < curTankX && curTankX < curAlienX + 352) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+320), (getAlienBlockPositionY()+78));
+				setAliens(0, 43);
+				collisionCleanUp((getAlienBlockPositionX()+320), (getAlienBlockPositionY()+78));
+			}
+			updateMyscore(10);
+			updateNumber(framePointer);
+		}
+		if(curAlienY + 104 < curTankY && curTankY < curAlienY +120){
+			if(curAlienX < curTankX && curTankX < (curAlienX + 32)) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()), (getAlienBlockPositionY()+104));
+				setAliens(0, 44);
+				collisionCleanUp((getAlienBlockPositionX()), (getAlienBlockPositionY()+104));
+			}
+			if(curAlienX + 32 < curTankX && curTankX < curAlienX + 64) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+32), (getAlienBlockPositionY()+104));
+				setAliens(0,45);
+				collisionCleanUp((getAlienBlockPositionX()+32), (getAlienBlockPositionY()+104));
+			}
+			if(curAlienX + 64 < curTankX && curTankX < curAlienX + 96) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+64), (getAlienBlockPositionY()+104));
+				setAliens(0, 46);
+				collisionCleanUp((getAlienBlockPositionX()+64), (getAlienBlockPositionY()+104));
+			}
+			if(curAlienX + 96 < curTankX && curTankX < curAlienX + 128) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+96), (getAlienBlockPositionY()+104));
+				setAliens(0, 47);
+				collisionCleanUp((getAlienBlockPositionX()+96), (getAlienBlockPositionY()+104));
+			}
+			if(curAlienX + 128 < curTankX && curTankX < curAlienX + 160) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+128), (getAlienBlockPositionY()+104));
+				setAliens(0, 48);
+				collisionCleanUp((getAlienBlockPositionX()+128), (getAlienBlockPositionY()+104));
+			}
+			if(curAlienX + 160 < curTankX && curTankX < curAlienX + 192) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+160), (getAlienBlockPositionY()+104));
+				setAliens(0, 49);
+				collisionCleanUp((getAlienBlockPositionX()+160), (getAlienBlockPositionY()+104));
+			}
+			if(curAlienX + 192 < curTankX && curTankX < curAlienX + 224) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+192), (getAlienBlockPositionY()+104));
+				setAliens(0, 50);
+				collisionCleanUp((getAlienBlockPositionX()+192), (getAlienBlockPositionY()+104));
+			}
+			if(curAlienX + 224 < curTankX && curTankX < curAlienX + 256) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+224), (getAlienBlockPositionY()+104));
+				setAliens(0, 51);
+				collisionCleanUp((getAlienBlockPositionX()+224), (getAlienBlockPositionY()+104));
+			}
+			if(curAlienX + 256 < curTankX && curTankX < curAlienX + 288) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+256), (getAlienBlockPositionY()+104));
+				setAliens(0, 52);
+				collisionCleanUp((getAlienBlockPositionX()+256), (getAlienBlockPositionY()+104));
+			}
+			if(curAlienX + 288 < curTankX && curTankX < curAlienX + 320) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+288), (getAlienBlockPositionY()+104));
+				setAliens(0, 53);
+				collisionCleanUp((getAlienBlockPositionX()+288), (getAlienBlockPositionY()+104));
+			}
+			if(curAlienX + 320 < curTankX && curTankX < curAlienX + 352) {
+				dyingAlien(framePointer, (getAlienBlockPositionX()+320), (getAlienBlockPositionY()+104));
+				setAliens(0, 54);
+				collisionCleanUp((getAlienBlockPositionX()+320), (getAlienBlockPositionY()+104));
+			}
+			updateMyscore(10);
+			updateNumber(framePointer);
+		}
+	}
+}
+
+void alienSpeed() {
+	short* aliens = getAliens();
+	int i;
+	int total = 0;
+	for(i = 0; i < 55; i++) {
+		if(aliens[i] == 1) {
+			total++;
+		}
+	}
+	if(total < 55) {
+		speed = 30;
+	}
+	if(total < 44) {
+		speed = 28;
+	}
+	if(total < 33) {
+		speed = 26;
+	}
+	if(total < 22) {
+		speed = 24;
+	}
+	if(total < 11) {
+		speed = 20;
+	}
+	if(total == 0) {
+		gameOver(framePointer);
+	}
+}
+
+void timer_interrupt_handler() {
+	onesec++;
+	fifteenms++;
+	fivems++;
+	tenms++;
+	mytimer++;
+
+	if(mytimer == 5000){
+		mytimer = 0;
+		xil_printf("my counter value: %d\r\n", mycounter);
+	}
+
+	if(onesec == 100) {
+		onesec = 0;
+	}
+	if(fifteenms == speed) {
+		fifteenms = 0;
+		incrementAlienSoundCadence();
+		moveAlien(framePointer);
+		renderAlien(framePointer);
+		if(getAlienBlockPositionY() > 240){
+			int col;
+			for(col=0; col<640; col++) {
+				if(framePointer[360*640 + col] == 0x00FFFFFF) {
+					gameOver(framePointer);
+				}
+
+			}
+		}
+
+	}
+	if(tenms == 2){
+		tenms = 0;
+		if(getUfoState() == 1){
+			moveUfo(framePointer, getUfoDirection());
+			renderUfo(framePointer);
+
+		}
+
+	}
+	if(fivems == 1) {
+		fivems = 0;
+		if(getTankBulletState() == 1 || getAlien1BulletState() == 1 || getAlien2BulletState() == 1 || \
+				getAlien3BulletState() == 1 || getAlien4BulletState() == 1) {
+			int i;
+			for(i = 0; i < 3; i++) {
+				moveBullets(framePointer);
+				renderBullet(framePointer);
+			}
+			if(getAlien1BulletState()){
+				selectBlock(framePointer, 1);
+			}
+			if(getAlien2BulletState()){
+				selectBlock(framePointer, 2);
+			}
+			if(getAlien3BulletState()){
+				selectBlock(framePointer, 3);
+			}
+			if(getAlien4BulletState()){
+				selectBlock(framePointer, 4);
+			}
+			if(getTankBulletState()){
+				selectBlock(framePointer, 5);
+			}
+		}
+	}
+}
+
+// This is invoked each time there is a change in the button state (result of a push or a bounce).
+void pb_interrupt_handler() {
+	// Clear the GPIO interrupt.
+	XGpio_InterruptGlobalDisable(&gpPB);                // Turn off all PB interrupts for now.
+	currentButtonState = XGpio_DiscreteRead(&gpPB, 1);  // Get the current state of the buttons.
+	if(currentButtonState == 16) {
+		increaseVolume();
+	}
+	if(currentButtonState == 4) {
+		decreaseVolume();
+	}
+	XGpio_InterruptClear(&gpPB, 0xFFFFFFFF);            // Ack the PB interrupt.
+	XGpio_InterruptGlobalEnable(&gpPB);                 // Re-enable PB interrupts.
+}
+
+// Main interrupt handler
+void interrupt_handler_dispatcher(void* ptr) {
+	int intc_status = XIntc_GetIntrStatus(XPAR_INTC_0_BASEADDR);
+
+	// Check the AC97. Just one method - no need for a separate handler
+	if (intc_status & XPAR_AXI_AC97_0_INTERRUPT_MASK) {
+		XIntc_AckIntr(XPAR_INTC_0_BASEADDR, XPAR_AXI_AC97_0_INTERRUPT_MASK);
+		fillSound();
+	}
+	// Check the FIT interrupt first.
+	if (intc_status & XPAR_FIT_TIMER_0_INTERRUPT_MASK){
+		XIntc_AckIntr(XPAR_INTC_0_BASEADDR, XPAR_FIT_TIMER_0_INTERRUPT_MASK);
+		timer_interrupt_handler();
+	}
+	// Check the push buttons.
+	if (intc_status & XPAR_PUSH_BUTTONS_5BITS_IP2INTC_IRPT_MASK){
+		XIntc_AckIntr(XPAR_INTC_0_BASEADDR, XPAR_PUSH_BUTTONS_5BITS_IP2INTC_IRPT_MASK);
+		pb_interrupt_handler();
+	}
+}
+
+int main() {
+	init_platform();                   // Necessary for all programs.
+	// Initialize the GPIO peripherals.
+	 XAC97_HardReset(XPAR_AXI_AC97_0_BASEADDR);  //Reset XAC97
+	 XAC97_WriteReg(XPAR_AXI_AC97_0_BASEADDR, AC97_MasterVol, AC97_VOL_ATTN_23_5_DB);  // Set default volume
+
+	 XAC97_WriteReg(XPAR_AXI_AC97_0_BASEADDR, AC97_ExtendedAudioStat, 1);
+	 XAC97_WriteReg(XPAR_AXI_AC97_0_BASEADDR,AC97_PCM_DAC_Rate,AC97_PCM_RATE_11025_HZ);
+
+	 XAC97_mSetControl(XPAR_AXI_AC97_0_BASEADDR, AC97_ENABLE_IN_FIFO_INTERRUPT);   //Enable AC97 Interrupts
+
+	//interrupt code from clock lab
+	int success;
+	success = XGpio_Initialize(&gpPB, XPAR_PUSH_BUTTONS_5BITS_DEVICE_ID);
+	// Set the push button peripheral to be inputs.
+	XGpio_SetDataDirection(&gpPB, 1, 0x0000001F);
+	// Enable the global GPIO interrupt for push buttons.
+	XGpio_InterruptGlobalEnable(&gpPB);
+	// Enable all interrupts in the push button peripheral.
+	XGpio_InterruptEnable(&gpPB, 0xFFFFFFFF);
+
+	microblaze_register_handler(interrupt_handler_dispatcher, NULL);
+	XIntc_EnableIntr(XPAR_INTC_0_BASEADDR,
+			(XPAR_FIT_TIMER_0_INTERRUPT_MASK | XPAR_PUSH_BUTTONS_5BITS_IP2INTC_IRPT_MASK |XPAR_AXI_AC97_0_INTERRUPT_MASK ));
+	XIntc_MasterEnable(XPAR_INTC_0_BASEADDR);
+	microblaze_enable_interrupts();
+	//end of interrupt code from clock lab
+
+
+	int Status;                        // Keep track of success/failure of system function calls.
+	XAxiVdma videoDMAController;
+	// There are 3 steps to initializing the vdma driver and IP.
+	// Step 1: lookup the memory structure that is used to access the vdma driver.
+    XAxiVdma_Config * VideoDMAConfig = XAxiVdma_LookupConfig(XPAR_AXI_VDMA_0_DEVICE_ID);
+    // Step 2: Initialize the memory structure and the hardware.
+    if(XST_FAILURE == XAxiVdma_CfgInitialize(&videoDMAController, VideoDMAConfig,	XPAR_AXI_VDMA_0_BASEADDR)) {
+    	xil_printf("VideoDMA Did not initialize.\r\n");
+    }
+    // Step 3: (optional) set the frame store number.
+    if(XST_FAILURE ==  XAxiVdma_SetFrmStore(&videoDMAController, 2, XAXIVDMA_READ)) {
+    	xil_printf("Set Frame Store Failed.");
+    }
+    // Initialization is complete at this point.
+
+    // Setup the frame counter. We want two read frames. We don't need any write frames but the
+    // function generates an error if you set the write frame count to 0. We set it to 2
+    // but ignore it because we don't need a write channel at all.
+    XAxiVdma_FrameCounter myFrameConfig;
+    myFrameConfig.ReadFrameCount = 2;
+    myFrameConfig.ReadDelayTimerCount = 10;
+    myFrameConfig.WriteFrameCount =2;
+    myFrameConfig.WriteDelayTimerCount = 10;
+    Status = XAxiVdma_SetFrameCounter(&videoDMAController, &myFrameConfig);
+    if (Status != XST_SUCCESS) {
+	   xil_printf("Set frame counter failed %d\r\n", Status);
+	   if(Status == XST_VDMA_MISMATCH_ERROR)
+		   xil_printf("DMA Mismatch Error\r\n");
+    }
+    // Now we tell the driver about the geometry of our frame buffer and a few other things.
+    // Our image is 480 x 640.
+    XAxiVdma_DmaSetup myFrameBuffer;
+    myFrameBuffer.VertSizeInput = 480;    // 480 vertical pixels.
+    myFrameBuffer.HoriSizeInput = 640*4;  // 640 horizontal (32-bit pixels).
+    myFrameBuffer.Stride = 640*4;         // Dont' worry about the rest of the values.
+    myFrameBuffer.FrameDelay = 0;
+    myFrameBuffer.EnableCircularBuf=1;
+    myFrameBuffer.EnableSync = 0;
+    myFrameBuffer.PointNum = 0;
+    myFrameBuffer.EnableFrameCounter = 0;
+    myFrameBuffer.FixedFrameStoreAddr = 0;
+    if(XST_FAILURE == XAxiVdma_DmaConfig(&videoDMAController, XAXIVDMA_READ, &myFrameBuffer)) {
+    	xil_printf("DMA Config Failed\r\n");
+     }
+    // We need to give the frame buffer pointers to the memory that it will use. This memory
+    // is where you will write your video data. The vdma IP/driver then streams it to the HDMI
+    // IP.
+     myFrameBuffer.FrameStoreStartAddr[0] = FRAME_BUFFER_0_ADDR;
+
+     if(XST_FAILURE == XAxiVdma_DmaSetBufferAddr(&videoDMAController, XAXIVDMA_READ,
+    		               myFrameBuffer.FrameStoreStartAddr)) {
+    	 xil_printf("DMA Set Address Failed Failed\r\n");
+     }
+     // Print a sanity message if you get this far.
+     xil_printf("Woohoo! I made it through initialization.\n\r");
+     // Now, let's get ready to start displaying some stuff on the screen.
+     // The variables framePointer and framePointer1 are just pointers to the base address
+     // of frame 0 and frame 1.
+     //unsigned int * framePointer = (unsigned int *) FRAME_BUFFER_0_ADDR;
+     int row = 0;
+     int col = 0;
+     for(row=0; row<480; row++) {
+    	 for(col=0; col<640; col++) {
+    		 if(row > 460 && row < 464) {
+    			 framePointer[row*640 + col] = 0x0000FF00;
+    		 }
+    		 else {
+    			 framePointer[row*640 + col] = 0x00000000;
+    		 }
+    	 }
+     }
+
+     // This tells the HDMI controller the resolution of your display (there must be a better way to do this).
+     XIo_Out32(XPAR_AXI_HDMI_0_BASEADDR, 640*480);
+
+     // Start the DMA for the read channel only.
+     if(XST_FAILURE == XAxiVdma_DmaStart(&videoDMAController, XAXIVDMA_READ)){
+    	 xil_printf("DMA START FAILED\r\n");
+     }
+     int frameIndex = 0;
+     // We have two frames, let's park on frame 0. Use frameIndex to index them.
+     // Note that you have to start the DMA process before parking on a frame.
+     if (XST_FAILURE == XAxiVdma_StartParking(&videoDMAController, frameIndex,  XAXIVDMA_READ)) {
+    	 xil_printf("vdma parking failed\n\r");
+     }
+
+     setAlienBlockPosition(0, 120);
+	 setTankPosition(300, 420);
+	 renderTank(framePointer);
+	 renderAlien(framePointer);
+	 renderBunker(framePointer);
+	 renderScore(framePointer);
+	 renderNumber(framePointer);
+	 renderTanks(framePointer);
+	 alienSpeed();
+
+	 while (gameState) {
+
+		 mycounter++;
+
+		 alienCollision();
+		 int nesButtonState = NES_mReadReg(XPAR_NES_0_BASEADDR, 0);
+		 if(nesButtonState == 2) {
+			xil_printf("we are in left\r\n");
+			 moveTankL(framePointer);
+			 renderTank(framePointer);
+		 }
+		 if(nesButtonState == 1) {
+			 xil_printf("we are in right\r\n");
+			 moveTankR(framePointer);
+			 renderTank(framePointer);
+		 }
+		 if(nesButtonState == 4) {
+			 xil_printf("we are in mid\r\n");
+			 if(getTankBulletState() == 1) {
+				 continue;
+			 }
+			 else {
+				 setHaveTankBulletSound(1);
+				 setTankBulletState(1);
+				 initialTankBulletPosition();
+				 renderBullet(framePointer);
+			 }
+		 }
+		 if(nesButtonState == 6) {
+			 xil_printf("we are in mid\r\n");
+			 moveTankL(framePointer);
+			 renderTank(framePointer);
+			 if(getTankBulletState() == 1) {
+				 continue;
+			 }
+			 else {
+				 setHaveTankBulletSound(1);
+				 setTankBulletState(1);
+				 initialTankBulletPosition();
+				 renderBullet(framePointer);
+			 }
+		 }
+		 if(nesButtonState == 5) {
+			 xil_printf("we are in mid\r\n");
+			 moveTankR(framePointer);
+			 renderTank(framePointer);
+			 if(getTankBulletState() == 1) {
+				 continue;
+			 }
+			 else {
+				 setHaveTankBulletSound(1);
+				 setTankBulletState(1);
+				 initialTankBulletPosition();
+				 renderBullet(framePointer);
+			 }
+		 }
+
+		 int ufo_show = rand() % 3000;
+		 if(ufo_show == 100){
+			 if(getUfoState() == 0){
+				 setHaveSpaceShipSound(1);
+				 setUfoState(1);
+				 setUfoDirection();
+				 if(getUfoDirection()){		// getUfoDirection = 1 means ufo going left
+					 setUfoPositionX(610);
+					 setUfoPositionY(45);
+					 renderUfo(framePointer);
+				 }
+				 else{				   	    // getUfoDirection = 0 means ufo going right
+					 setUfoPositionX(0);
+					 setUfoPositionY(45);
+					 renderUfo(framePointer);
+				 }
+			 }
+		 }
+
+		 int alienShot = rand() % 100000;	// this controls how frequent bullets are fired by aliens
+		 if(alienShot == 50) {	//key 3
+			 int i = 0;
+			 int j = rand() % 4;
+			 int k[4] = {getAlien1BulletState(), getAlien2BulletState(), getAlien3BulletState(), getAlien4BulletState()};
+			 for(i = 0; i < 16; i ++) {
+				 if(k[j] == 0) {
+					 break;
+				 }
+				 else {
+					 j = rand()%4;
+				 }
+			 }
+			 int bottomAlien = 0;
+			 short* aliens = getAliens();
+			 int a;
+			 while(bottomAlien == 0) {
+				 a = rand () % 54;
+				 if(aliens[a] == 1 && isBottom(a)) {
+					 bottomAlien = 1;
+				 }
+			 }
+			 int position = whatRow(a);
+			 int x = a % 11;
+
+			 switch(j){
+			 case 0:
+				 if(getAlien1BulletState() == 0) {
+					 setAlien1BulletState(1);
+					 setAlien1BulletPosition(((getAlienBlockPositionX()+10) + 32 * x), getAlienBlockPositionY()+position);
+					 renderBullet(framePointer);
+				 }
+				 break;
+			 case 1:
+				 if(getAlien2BulletState() == 0) {
+					 setAlien2BulletState(1);
+					 setAlien2BulletPosition(((getAlienBlockPositionX()+10) + 32 * x), getAlienBlockPositionY()+position);
+					 renderBullet(framePointer);
+				 }
+				 break;
+			 case 2:
+				 if(getAlien3BulletState() == 0) {
+					 setAlien3BulletState(1);
+					 setAlien3BulletPosition(((getAlienBlockPositionX()+10) + 32 * x), getAlienBlockPositionY()+position);
+					 renderBullet(framePointer);
+				 }
+				 break;
+			 case 3:
+				 if(getAlien4BulletState() == 0) {
+					 setAlien4BulletState(1);
+					 setAlien4BulletPosition(((getAlienBlockPositionX()+10) + 32 * x), getAlienBlockPositionY()+position);
+					 renderBullet(framePointer);
+				 }
+				 break;
+			 default :
+				 break;
+			 }
+		 }
+	 }
+	 cleanup_platform();
+
+	 return 0;
+}
diff --git a/ecen427/xac97_l.c b/ecen427/xac97_l.c
new file mode 100644
index 0000000..34a7f85
--- /dev/null
+++ b/ecen427/xac97_l.c
@@ -0,0 +1,180 @@
+/***********************************************************************
+ * Records a buffer of sound from either the Line-In or Mic-In ports
+ * to the AC97 controller and plays it back through the Line-Out port
+ * using the AC97.
+ ***********************************************************************/
+#include <xbasic_types.h>
+#include <xio.h>
+#include "xac97_l.h"
+
+void XAC97_WriteReg(Xuint32 baseaddr, Xuint32 reg_addr, Xuint32 value) {
+    XAC97_mSetAC97RegisterData(baseaddr, value);
+    XAC97_mSetAC97RegisterAccessCommand(baseaddr, reg_addr);
+    while (!XAC97_isRegisterAccessFinished(baseaddr));
+}
+
+Xuint32 XAC97_ReadReg(Xuint32 baseaddr, Xuint32 reg_addr) {
+    XAC97_mSetAC97RegisterAccessCommand(baseaddr, reg_addr  | 0x80);
+    while (!XAC97_isRegisterAccessFinished(baseaddr));
+    return XAC97_mGetAC97RegisterData(baseaddr);
+}
+
+void XAC97_AwaitCodecReady(Xuint32 baseaddr) {
+    while(!XAC97_isCodecReady(baseaddr));
+}
+
+
+void XAC97_Delay(Xuint32 value) {
+  volatile int i = value;
+  while(i-- > 0);
+}
+
+
+void XAC97_SoftReset(Xuint32 BaseAddress) {
+  XAC97_WriteReg(BaseAddress, AC97_Reset, 0x0000);
+
+  /** Set default output volumes **/
+  XAC97_WriteReg(BaseAddress, AC97_MasterVol, AC97_VOL_MID);
+  XAC97_WriteReg(BaseAddress, AC97_AuxOutVol, AC97_VOL_MAX);
+  XAC97_WriteReg(BaseAddress, AC97_MasterVolMono, AC97_VOL_MAX);
+  XAC97_WriteReg(BaseAddress, AC97_PCMOutVol, AC97_VOL_MAX);
+
+  /** Clear the fifos **/
+  XAC97_ClearFifos(BaseAddress);
+}
+
+
+void XAC97_HardReset(Xuint32 BaseAddress) {
+  XAC97_mSetControl(BaseAddress, AC97_ENABLE_RESET_AC97);
+  XAC97_Delay(100000);
+  XAC97_mSetControl(BaseAddress, AC97_DISABLE_RESET_AC97);
+  XAC97_Delay(100000);
+  XAC97_SoftReset(BaseAddress);
+}
+
+
+void XAC97_InitAudio(Xuint32 BaseAddress, Xuint8 Loopback) {
+  Xuint8 i;
+
+  /** Reset audio codec **/
+  XAC97_SoftReset(BaseAddress);
+
+  /** Wait until we receive the ready signal **/
+  XAC97_AwaitCodecReady(BaseAddress);
+
+  if( Loopback == AC97_ANALOG_LOOPBACK ) {
+    XAC97_WriteReg(BaseAddress, AC97_MicVol, AC97_VOL_MAX);
+    XAC97_WriteReg(BaseAddress, AC97_LineInVol, AC97_VOL_MAX);
+  }
+  else if( Loopback == AC97_DIGITAL_LOOPBACK )
+    XAC97_WriteReg(BaseAddress, AC97_GeneralPurpose, AC97_GP_ADC_DAC_LOOPBACK);
+
+} // end XAC97_InitAudio()
+
+
+void XAC97_EnableInput(Xuint32 BaseAddress, Xuint8 InputType) {
+  XAC97_WriteReg(BaseAddress, AC97_RecordGain, AC97_VOL_MAX);
+
+  if( InputType == AC97_MIC_INPUT )
+    XAC97_WriteReg(BaseAddress, AC97_RecordSelect, AC97_RECORD_MIC_IN);
+  else if( InputType == AC97_LINE_INPUT )
+    XAC97_WriteReg(BaseAddress, AC97_RecordSelect, AC97_RECORD_LINE_IN);
+}
+
+
+void XAC97_DisableInput(Xuint32 BaseAddress, Xuint8 InputType) {
+  XAC97_WriteReg(BaseAddress, AC97_RecordGain, AC97_VOL_MUTE);
+
+  if( InputType == AC97_MIC_INPUT )
+    XAC97_WriteReg(BaseAddress, AC97_MicVol, AC97_VOL_MUTE);
+  else if( InputType == AC97_LINE_INPUT )
+    XAC97_WriteReg(BaseAddress, AC97_LineInVol, AC97_VOL_MUTE);
+}
+
+
+void XAC97_RecAudio(Xuint32 BaseAddress, Xuint32 StartAddress,
+		    Xuint32 EndAddress) {
+  Xuint32 i;
+  Xuint32 sample;
+  volatile Xuint32 *sound_ptr = (Xuint32*)StartAddress;
+
+  /** Enable VRA Mode **/
+  XAC97_WriteReg(BaseAddress, AC97_ExtendedAudioStat, 1);
+
+  /** Clear out the FIFOs **/
+  XAC97_ClearFifos(BaseAddress);
+
+  /** Wait until we receive the ready signal **/
+  XAC97_AwaitCodecReady(BaseAddress);
+
+  /** Volume settings **/
+  XAC97_WriteReg(BaseAddress, AC97_MasterVol, AC97_VOL_MUTE);
+  XAC97_WriteReg(BaseAddress, AC97_AuxOutVol, AC97_VOL_MUTE);
+  XAC97_WriteReg(BaseAddress, AC97_MasterVolMono, AC97_VOL_MUTE);
+  XAC97_WriteReg(BaseAddress, AC97_PCBeepVol, AC97_VOL_MUTE);
+  XAC97_WriteReg(BaseAddress, AC97_PCMOutVol, AC97_VOL_MUTE);
+
+  XAC97_WriteReg(BaseAddress, AC97_GeneralPurpose, AC97_GP_PCM_BYPASS_3D);
+
+  /** Record the incoming audio **/
+  while( sound_ptr < (Xuint32*)EndAddress ) {
+    sample = XAC97_ReadFifo(BaseAddress);
+    *sound_ptr = sample;
+    sound_ptr++;
+  }
+
+} // end XAC97_RecAudio()
+
+
+
+void XAC97_PlayAudio(Xuint32 BaseAddress, Xuint32 StartAddress,
+		     Xuint32 EndAddress){
+  Xuint32 i;
+  Xuint32 sample;
+  volatile Xuint32 *sound_ptr = (Xuint32*)StartAddress;
+
+  /** Wait for the ready signal **/
+  XAC97_AwaitCodecReady(BaseAddress);
+
+  /** Disable VRA Mode **/
+  XAC97_WriteReg(BaseAddress, AC97_ExtendedAudioStat, 0);
+
+  /** Play Volume Settings **/
+  XAC97_WriteReg(BaseAddress, AC97_MasterVol, AC97_VOL_MAX);
+  XAC97_WriteReg(BaseAddress, AC97_AuxOutVol, AC97_VOL_MAX);
+  XAC97_WriteReg(BaseAddress, AC97_MasterVolMono, AC97_VOL_MAX);
+  XAC97_WriteReg(BaseAddress, AC97_PCBeepVol, AC97_VOL_MAX);
+  XAC97_WriteReg(BaseAddress, AC97_PCMOutVol, AC97_VOL_MAX);
+  XAC97_WriteReg(BaseAddress, AC97_LineInVol, AC97_VOL_MAX);
+  XAC97_WriteReg(BaseAddress, AC97_MicVol, AC97_VOL_MAX);
+
+  /** Clear FIFOs **/
+  XAC97_ClearFifos(BaseAddress);
+
+  while( sound_ptr < (Xuint32*)EndAddress ) {
+    sample = *sound_ptr;
+    sound_ptr = sound_ptr + 1;
+    XAC97_WriteFifo(BaseAddress, sample);
+  }
+
+  XAC97_ClearFifos(BaseAddress);
+
+} // end XAC97_PlayAudio()
+
+
+Xuint32 XAC97_ReadFifo(Xuint32 BaseAddress) {
+  while(XAC97_isOutFIFOEmpty(BaseAddress));
+  return XAC97_mGetOutFifoData(BaseAddress);
+}
+
+void XAC97_WriteFifo(Xuint32 BaseAddress, Xuint32 sample) {
+  while(XAC97_isInFIFOFull(BaseAddress));
+  XAC97_mSetInFifoData(BaseAddress, sample);
+}
+
+void XAC97_ClearFifos(Xuint32 BaseAddress) {
+  Xuint32 i;
+  XAC97_mSetControl(BaseAddress, AC97_CLEAR_FIFOS);
+  for( i = 0; i < 512; i++ )
+    XAC97_mSetInFifoData(BaseAddress, 0);
+}
diff --git a/ecen427/xac97_l.h b/ecen427/xac97_l.h
new file mode 100644
index 0000000..3704766
--- /dev/null
+++ b/ecen427/xac97_l.h
@@ -0,0 +1,291 @@
+
+
+#ifndef XAC97_L_H_
+#define XAC97_L_H_
+
+#ifndef XAC97_H
+#define XAC97_H
+
+#include <xbasic_types.h>
+#include <xio.h>
+
+// AC97 core register offsets
+#define AC97_IN_FIFO_OFFSET 	        0x0
+#define AC97_OUT_FIFO_OFFSET 		0x0
+#define AC97_STATUS_OFFSET 	        0x4
+#define AC97_CONTROL_OFFSET             0x4
+#define AC97_REG_READ_OFFSET 		0x8
+#define AC97_REG_WRITE_OFFSET		0x8
+#define AC97_REG_CONTROL_OFFSET         0xc
+
+// Status register bitmask constants
+#define AC97_IN_FIFO_FULL         0x01
+#define AC97_IN_FIFO_EMPTY        0x02
+#define AC97_OUT_FIFO_EMPTY       0x04
+#define AC97_OUT_FIFO_DATA        0x08
+//#define AC97_REG_ACCESS_FINISHED  0x10
+#define AC97_REG_ACCESS_BUSY      0x10
+#define AC97_CODEC_RDY            0x20
+#define AC97_IN_FIFO_UNDERRUN     0x40
+#define AC97_OUT_FIFO_OVERRUN     0x80
+#define AC97_REG_ACCESS_ERROR     0x100
+#define AC97_IN_FIFO_LEVEL        0x003ff000 // 21 downto 12
+#define AC97_IN_FIFO_LEVEL_RSHFT  12
+#define AC97_OUT_FIFO_LEVEL       0xffc00000 // 31 downto 22
+#define AC97_OUT_FIFO_LEVEL_RSHFT 22
+
+// FIFO Control Offsets
+#define AC97_CLEAR_IN_FIFO              0x1
+#define AC97_CLEAR_OUT_FIFO             0x2
+#define AC97_ENABLE_IN_FIFO_INTERRUPT   0x4
+#define AC97_ENABLE_OUT_FIFO_INTERRUPT  0x8
+#define AC97_ENABLE_RESET_AC97          0x10
+#define AC97_DISABLE_RESET_AC97         0x0
+#define AC97_CLEAR_FIFOS AC97_CLEAR_IN_FIFO | AC97_CLEAR_OUT_FIFO
+
+/** AC97 CODEC Registers **/
+#define AC97_Reset              0x00
+#define AC97_MasterVol          0x02
+#define AC97_AuxOutVol          0x04
+#define AC97_MasterVolMono      0x06
+#define AC97_Reserved0x08       0x08
+#define AC97_PCBeepVol          0x0A
+#define AC97_PhoneInVol         0x0C
+#define AC97_MicVol             0x0E
+#define AC97_LineInVol          0x10
+#define AC97_CDVol              0x12
+#define AC97_VideoVol           0x14
+#define AC97_AuxInVol           0x16
+#define AC97_PCMOutVol          0x18
+#define AC97_RecordSelect       0x1A
+#define AC97_RecordGain         0x1C
+#define AC97_Reserved0x1E       0x1E
+#define AC97_GeneralPurpose     0x20
+#define AC97_3DControl          0x22
+#define AC97_PowerDown          0x26
+#define AC97_ExtendedAudioID    0x28
+#define AC97_ExtendedAudioStat  0x2A
+#define AC97_PCM_DAC_Rate       0x2C
+#define AC97_PCM_ADC_Rate       0x32
+#define AC97_PCM_DAC_Rate0      0x78
+#define AC97_PCM_DAC_Rate1      0x7A
+#define AC97_Reserved0x34       0x34
+#define AC97_JackSense          0x72
+#define AC97_SerialConfig       0x74
+#define AC97_MiscControlBits    0x76
+#define AC97_VendorID1          0x7C
+#define AC97_VendorID2          0x7E
+
+// Volume Constants for registers:
+//  AC97_MasterVol
+//  AC97_HeadphoneVol
+//  AC97_MasterVolMono
+#define AC97_RIGHT_VOL_ATTN_0_DB       0x0
+#define AC97_RIGHT_VOL_ATTN_1_5_DB     0x1
+#define AC97_RIGHT_VOL_ATTN_3_0_DB     0x2
+#define AC97_RIGHT_VOL_ATTN_4_5_DB     0x3
+#define AC97_RIGHT_VOL_ATTN_6_0_DB     0x4
+#define AC97_RIGHT_VOL_ATTN_7_5_DB     0x5
+#define AC97_RIGHT_VOL_ATTN_9_0_DB     0x6
+#define AC97_RIGHT_VOL_ATTN_10_0_DB     0x7
+#define AC97_RIGHT_VOL_ATTN_11_5_DB     0x8
+#define AC97_RIGHT_VOL_ATTN_13_0_DB     0x9
+#define AC97_RIGHT_VOL_ATTN_14_5_DB     0xa
+#define AC97_RIGHT_VOL_ATTN_16_0_DB     0xb
+#define AC97_RIGHT_VOL_ATTN_17_5_DB     0xc
+#define AC97_RIGHT_VOL_ATTN_19_0_DB     0xd
+#define AC97_RIGHT_VOL_ATTN_20_5_DB     0xe
+#define AC97_RIGHT_VOL_ATTN_22_0_DB     0xf
+#define AC97_RIGHT_VOL_ATTN_23_5_DB     0x10
+#define AC97_RIGHT_VOL_ATTN_25_0_DB     0x11
+#define AC97_RIGHT_VOL_ATTN_26_5_DB     0x12
+#define AC97_RIGHT_VOL_ATTN_28_0_DB     0x13
+#define AC97_RIGHT_VOL_ATTN_29_5_DB     0x14
+#define AC97_RIGHT_VOL_ATTN_31_0_DB     0x15
+#define AC97_RIGHT_VOL_ATTN_32_5_DB     0x16
+#define AC97_RIGHT_VOL_ATTN_34_0_DB     0x17
+#define AC97_RIGHT_VOL_ATTN_35_5_DB     0x18
+#define AC97_RIGHT_VOL_ATTN_37_0_DB     0x19
+#define AC97_RIGHT_VOL_ATTN_38_5_DB     0x1a
+#define AC97_RIGHT_VOL_ATTN_40_0_DB     0x1b
+#define AC97_RIGHT_VOL_ATTN_41_5_DB     0x1c
+#define AC97_RIGHT_VOL_ATTN_43_0_DB     0x1d
+#define AC97_RIGHT_VOL_ATTN_44_5_DB     0x1e
+#define AC97_RIGHT_VOL_ATTN_46_0_DB     0x1f
+
+#define AC97_LEFT_VOL_ATTN_0_DB        0x0
+#define AC97_LEFT_VOL_ATTN_1_5_DB      0x100
+#define AC97_LEFT_VOL_ATTN_3_0_DB      0x200
+#define AC97_LEFT_VOL_ATTN_4_5_DB      0x300
+#define AC97_LEFT_VOL_ATTN_6_0_DB      0x400
+#define AC97_LEFT_VOL_ATTN_7_5_DB      0x500
+#define AC97_LEFT_VOL_ATTN_9_0_DB      0x600
+#define AC97_LEFT_VOL_ATTN_10_0_DB     0x700
+#define AC97_LEFT_VOL_ATTN_11_5_DB     0x800
+#define AC97_LEFT_VOL_ATTN_13_0_DB     0x900
+#define AC97_LEFT_VOL_ATTN_14_5_DB     0xa00
+#define AC97_LEFT_VOL_ATTN_16_0_DB     0xb00
+#define AC97_LEFT_VOL_ATTN_17_5_DB     0xc00
+#define AC97_LEFT_VOL_ATTN_19_0_DB     0xd00
+#define AC97_LEFT_VOL_ATTN_20_5_DB     0xe00
+#define AC97_LEFT_VOL_ATTN_22_0_DB     0xf00
+#define AC97_LEFT_VOL_ATTN_23_5_DB     0x1000
+#define AC97_LEFT_VOL_ATTN_25_0_DB     0x1100
+#define AC97_LEFT_VOL_ATTN_26_5_DB     0x1200
+#define AC97_LEFT_VOL_ATTN_28_0_DB     0x1300
+#define AC97_LEFT_VOL_ATTN_29_5_DB     0x1400
+#define AC97_LEFT_VOL_ATTN_31_0_DB     0x1500
+#define AC97_LEFT_VOL_ATTN_32_5_DB     0x1600
+#define AC97_LEFT_VOL_ATTN_34_0_DB     0x1700
+#define AC97_LEFT_VOL_ATTN_35_5_DB     0x1800
+#define AC97_LEFT_VOL_ATTN_37_0_DB     0x1900
+#define AC97_LEFT_VOL_ATTN_38_5_DB     0x1a00
+#define AC97_LEFT_VOL_ATTN_40_0_DB     0x1b00
+#define AC97_LEFT_VOL_ATTN_41_5_DB     0x1c00
+#define AC97_LEFT_VOL_ATTN_43_0_DB     0x1d00
+#define AC97_LEFT_VOL_ATTN_44_5_DB     0x1e00
+#define AC97_LEFT_VOL_ATTN_46_0_DB     0x1f00
+
+#define AC97_VOL_ATTN_0_DB    AC97_LEFT_VOL_ATTN_0_DB | AC97_RIGHT_VOL_ATTN_0_DB
+#define AC97_VOL_ATTN_1_5_DB  AC97_LEFT_VOL_ATTN_1_5_DB | AC97_RIGHT_VOL_ATTN_1_5_DB
+#define AC97_VOL_ATTN_3_0_DB  AC97_LEFT_VOL_ATTN_3_0_DB | AC97_RIGHT_VOL_ATTN_3_0_DB
+#define AC97_VOL_ATTN_4_5_DB  AC97_LEFT_VOL_ATTN_4_5_DB | AC97_RIGHT_VOL_ATTN_4_5_DB
+#define AC97_VOL_ATTN_6_0_DB  AC97_LEFT_VOL_ATTN_6_0_DB | AC97_RIGHT_VOL_ATTN_6_0_DB
+#define AC97_VOL_ATTN_7_5_DB  AC97_LEFT_VOL_ATTN_7_5_DB | AC97_RIGHT_VOL_ATTN_7_5_DB
+#define AC97_VOL_ATTN_9_0_DB  AC97_LEFT_VOL_ATTN_9_0_DB | AC97_RIGHT_VOL_ATTN_9_0_DB
+#define AC97_VOL_ATTN_10_0_DB    AC97_LEFT_VOL_ATTN_10_0_DB | AC97_RIGHT_VOL_ATTN_10_0_DB
+#define AC97_VOL_ATTN_11_5_DB    AC97_LEFT_VOL_ATTN_11_5_DB | AC97_RIGHT_VOL_ATTN_11_5_DB
+#define AC97_VOL_ATTN_13_0_DB    AC97_LEFT_VOL_ATTN_13_0_DB | AC97_RIGHT_VOL_ATTN_13_0_DB
+#define AC97_VOL_ATTN_14_5_DB    AC97_LEFT_VOL_ATTN_14_5_DB | AC97_RIGHT_VOL_ATTN_14_5_DB
+#define AC97_VOL_ATTN_16_0_DB    AC97_LEFT_VOL_ATTN_16_0_DB | AC97_RIGHT_VOL_ATTN_16_0_DB
+#define AC97_VOL_ATTN_17_5_DB    AC97_LEFT_VOL_ATTN_17_5_DB | AC97_RIGHT_VOL_ATTN_17_5_DB
+#define AC97_VOL_ATTN_19_0_DB    AC97_LEFT_VOL_ATTN_19_0_DB | AC97_RIGHT_VOL_ATTN_19_0_DB
+#define AC97_VOL_ATTN_20_5_DB    AC97_LEFT_VOL_ATTN_20_5_DB | AC97_RIGHT_VOL_ATTN_20_5_DB
+#define AC97_VOL_ATTN_22_0_DB    AC97_LEFT_VOL_ATTN_22_0_DB | AC97_RIGHT_VOL_ATTN_22_0_DB
+#define AC97_VOL_ATTN_23_5_DB    AC97_LEFT_VOL_ATTN_23_5_DB | AC97_RIGHT_VOL_ATTN_23_5_DB
+#define AC97_VOL_ATTN_25_0_DB    AC97_LEFT_VOL_ATTN_25_0_DB | AC97_RIGHT_VOL_ATTN_25_0_DB
+#define AC97_VOL_ATTN_26_5_DB    AC97_LEFT_VOL_ATTN_26_5_DB | AC97_RIGHT_VOL_ATTN_26_5_DB
+#define AC97_VOL_ATTN_28_0_DB    AC97_LEFT_VOL_ATTN_28_0_DB | AC97_RIGHT_VOL_ATTN_28_0_DB
+#define AC97_VOL_ATTN_29_5_DB    AC97_LEFT_VOL_ATTN_29_5_DB | AC97_RIGHT_VOL_ATTN_29_5_DB
+#define AC97_VOL_ATTN_31_0_DB    AC97_LEFT_VOL_ATTN_31_0_DB | AC97_RIGHT_VOL_ATTN_31_0_DB
+#define AC97_VOL_ATTN_32_5_DB    AC97_LEFT_VOL_ATTN_32_5_DB | AC97_RIGHT_VOL_ATTN_32_5_DB
+#define AC97_VOL_ATTN_34_0_DB    AC97_LEFT_VOL_ATTN_34_0_DB | AC97_RIGHT_VOL_ATTN_34_0_DB
+#define AC97_VOL_ATTN_35_5_DB    AC97_LEFT_VOL_ATTN_35_5_DB | AC97_RIGHT_VOL_ATTN_35_5_DB
+#define AC97_VOL_ATTN_37_0_DB    AC97_LEFT_VOL_ATTN_37_0_DB | AC97_RIGHT_VOL_ATTN_37_0_DB
+#define AC97_VOL_ATTN_38_5_DB    AC97_LEFT_VOL_ATTN_38_5_DB | AC97_RIGHT_VOL_ATTN_38_5_DB
+#define AC97_VOL_ATTN_40_0_DB    AC97_LEFT_VOL_ATTN_40_0_DB | AC97_RIGHT_VOL_ATTN_40_0_DB
+#define AC97_VOL_ATTN_41_5_DB    AC97_LEFT_VOL_ATTN_41_5_DB | AC97_RIGHT_VOL_ATTN_41_5_DB
+#define AC97_VOL_ATTN_43_0_DB    AC97_LEFT_VOL_ATTN_43_0_DB | AC97_RIGHT_VOL_ATTN_43_0_DB
+#define AC97_VOL_ATTN_44_5_DB    AC97_LEFT_VOL_ATTN_44_5_DB | AC97_RIGHT_VOL_ATTN_44_5_DB
+#define AC97_VOL_ATTN_46_0_DB    AC97_LEFT_VOL_ATTN_46_0_DB | AC97_RIGHT_VOL_ATTN_46_0_DB
+
+#define AC97_VOL_MUTE     0x8000
+#define AC97_VOL_MIN      0x1f1f
+#define AC97_VOL_MID      0x0a0a
+#define AC97_VOL_MAX      0x0000
+
+#define AC97_RECORD_MIC_IN  0x0000
+#define AC97_RECORD_LINE_IN 0x0404 // both left and right
+
+// Extended Audio Control
+#define AC97_EXTENDED_AUDIO_CONTROL_VRA 0x1
+
+
+// PCM Data rate constants
+// AC97_PCM_DAC_Rate       0x2C
+// AC97_PCM_ADC_Rate       0x32
+#define AC97_PCM_RATE_8000_HZ  0x1F40
+#define AC97_PCM_RATE_11025_HZ 0x2B11
+#define AC97_PCM_RATE_16000_HZ 0x3E80
+#define AC97_PCM_RATE_22050_HZ 0x5622
+#define AC97_PCM_RATE_44100_HZ 0xAC44
+#define AC97_PCM_RATE_48000_HZ 0xBB80
+
+
+// General Purpose register constants (LM4549A)
+// bits are zero by default
+#define AC97_GP_PCM_BYPASS_3D       0x8000  // POP bit (on)
+#define AC97_GP_NATIONAL_3D_ON      0x2000  // 3D bit (on)
+#define AC97_GP_MONO_OUTPUT_MIX     0x0     // MIX bit (off)
+#define AC97_GP_MONO_OUTPUT_MIC     0x200   // MIX bit (on)
+#define AC97_GP_MIC_SELECT_MIC1     0x0     // MS bit (off)
+#define AC97_GP_MIC_SELECT_MIC2     0x100   // MS bit (on)
+#define AC97_GP_ADC_DAC_LOOPBACK    0x80    // LPBK bit
+
+#define AC97_MIC_INPUT   1
+#define AC97_LINE_INPUT  2
+
+#define AC97_ANALOG_LOOPBACK  1
+#define AC97_DIGITAL_LOOPBACK 2
+
+#define XAC97_mGetRegister(BaseAddress, offset) \
+            XIo_In32((BaseAddress + offset))
+
+// Macros for reading/writing AC97 core registers
+#define XAC97_mSetInFifoData(BaseAddress, value) \
+            XIo_Out32((BaseAddress) + AC97_IN_FIFO_OFFSET,(value))
+#define XAC97_mGetOutFifoData(BaseAddress) \
+            XIo_In32((BaseAddress + AC97_OUT_FIFO_OFFSET))
+#define XAC97_mGetStatus(BaseAddress) \
+            XIo_In32((BaseAddress + AC97_STATUS_OFFSET))
+#define XAC97_mSetControl(BaseAddress, value) \
+            XIo_Out32((BaseAddress) + AC97_CONTROL_OFFSET,(value))
+#define XAC97_mSetAC97RegisterAccessCommand(BaseAddress, value) \
+            XIo_Out32((BaseAddress) + AC97_REG_CONTROL_OFFSET,(value))
+#define XAC97_mGetAC97RegisterData(BaseAddress) \
+            XIo_In32((BaseAddress + AC97_REG_READ_OFFSET))
+#define XAC97_mSetAC97RegisterData(BaseAddress, value) \
+            XIo_Out32((BaseAddress) + AC97_REG_WRITE_OFFSET,(value))
+
+// Status register macros
+#define XAC97_isInFIFOFull(BaseAddress) \
+            (XAC97_mGetStatus(BaseAddress) & AC97_IN_FIFO_FULL)
+#define XAC97_isInFIFOEmpty(BaseAddress) \
+            (XAC97_mGetStatus(BaseAddress) & AC97_IN_FIFO_EMPTY)
+#define XAC97_isOutFIFOEmpty(BaseAddress) \
+            (XAC97_mGetStatus(BaseAddress) & AC97_OUT_FIFO_EMPTY)
+#define XAC97_isOutFIFOFull(BaseAddress) \
+            (XAC97_mGetStatus(BaseAddress) & AC97_OUT_FIFO_FULL)
+#define XAC97_isRegisterAccessFinished(BaseAddress) \
+            ((XAC97_mGetStatus(BaseAddress) & AC97_REG_ACCESS_BUSY) == 0)
+//            (XAC97_mGetStatus(BaseAddress) & AC97_REG_ACCESS_FINISHED))
+#define XAC97_isRegisterAccessError(BaseAddress) \
+            ((XAC97_mGetStatus(BaseAddress) & AC97_REG_ACCESS_ERROR) > 0)
+
+#define XAC97_isCodecReady(BaseAddress) \
+            (XAC97_mGetStatus(BaseAddress) & AC97_CODEC_RDY)
+#define XAC97_isInFIFOUnderrun(BaseAddress) \
+            (XAC97_mGetStatus(BaseAddress) & AC97_IN_FIFO_UNDERRUN)
+#define XAC97_isOutFIFOOverrun(BaseAddress) \
+            (XAC97_mGetStatus(BaseAddress) & AC97_OUT_FIFO_UNDERRUN)
+#define XAC97_getInFIFOLevel(BaseAddress) \
+            ((XAC97_mGetStatus(BaseAddress) & AC97_IN_FIFO_LEVEL) >> \
+             AC97_IN_FIFO_LEVEL_RSHFT)
+#define XAC97_getOutFIFOLevel(BaseAddress) \
+            ((XAC97_mGetStatus(BaseAddress) & AC97_OUT_FIFO_LEVEL) >> \
+             AC97_OUT_FIFO_LEVEL_RSHFT)
+
+
+// AC97 driver functions
+void XAC97_WriteReg(Xuint32 BaseAddress, Xuint32 RegAddress, Xuint32 Value);
+Xuint32 XAC97_ReadReg(Xuint32 BaseAddress, Xuint32 RegAddress);
+void XAC97_AwaitCodecReady(Xuint32 BaseAddress);
+
+void XAC97_Delay(Xuint32 Value);
+void XAC97_SoftReset(Xuint32 BaseAddress);
+void XAC97_HardReset(Xuint32 BaseAddress);
+
+void XAC97_InitAudio(Xuint32 BaseAddress, Xuint8 Loopback);
+void XAC97_EnableInput(Xuint32 BaseAddress, Xuint8 InputType);
+void XAC97_DisableInput(Xuint32 BaseAddress, Xuint8 InputType);
+void XAC97_RecAudio(Xuint32 BaseAddress, Xuint32 StartAddress,
+		    Xuint32 EndAddress);
+void XAC97_PlayAudio(Xuint32 BaseAddress, Xuint32 StartAddress,
+		     Xuint32 EndAddress);
+void XAC97_WriteFifo(Xuint32 BaseAddress, Xuint32 Sample);
+Xuint32 XAC97_ReadFifo(Xuint32 BaseAddress);
+void XAC97_ClearFifos(Xuint32 BaseAddress);
+
+#endif
+
+#endif