diff --git a/HGR.xcodeproj/project.pbxproj b/HGR.xcodeproj/project.pbxproj
index f305882..adf4c4f 100644
--- a/HGR.xcodeproj/project.pbxproj
+++ b/HGR.xcodeproj/project.pbxproj
@@ -11,6 +11,7 @@
 		707005BF1D3EC7FD00623A10 /* hgrtest.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = hgrtest.s; sourceTree = "<group>"; };
 		707005C01D3FD65900623A10 /* hgrtable.s */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.asm; path = hgrtable.s; sourceTree = "<group>"; };
 		7090ABA91D4012A600F02EAA /* spritedata.s */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.asm; path = spritedata.s; sourceTree = "<group>"; };
+		7090ABAA1D407B8100F02EAA /* spritegen.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = spritegen.s; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXGroup section */
@@ -20,6 +21,7 @@
 				707005BE1D3EC75F00623A10 /* Makefile */,
 				707005BF1D3EC7FD00623A10 /* hgrtest.s */,
 				7090ABA91D4012A600F02EAA /* spritedata.s */,
+				7090ABAA1D407B8100F02EAA /* spritegen.s */,
 				707005C01D3FD65900623A10 /* hgrtable.s */,
 			);
 			sourceTree = "<group>";
diff --git a/box.png b/box.png
index 12a156e..cdbaa4d 100644
Binary files a/box.png and b/box.png differ
diff --git a/hgrtest.dsk b/hgrtest.dsk
index 3d0877d..6e6c1fa 100644
Binary files a/hgrtest.dsk and b/hgrtest.dsk differ
diff --git a/hgrtest.s b/hgrtest.s
index cc9e65c..ebeb2fb 100644
--- a/hgrtest.s
+++ b/hgrtest.s
@@ -84,47 +84,47 @@ loop:
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-	BLIT 20,80,SPRITE0
+	BLIT 20,80,BOX0
 	WAIT
 	BLIT 20,80,BLACK
 
-	BLIT 20,80,SPRITE1
-	BLIT 21,80,SPRITE2
+	BLIT 20,80,BOX1
+	BLIT 21,80,BOX2
 	WAIT
 	BLIT 20,80,BLACK
 	BLIT 21,80,BLACK
 
-	BLIT 20,80,SPRITE3
-	BLIT 21,80,SPRITE4
+	BLIT 20,80,BOX3
+	BLIT 21,80,BOX4
 	WAIT
 	BLIT 20,80,BLACK
 	BLIT 21,80,BLACK
 
-	BLIT 20,80,SPRITE5
-	BLIT 21,80,SPRITE6
+	BLIT 20,80,BOX5
+	BLIT 21,80,BOX6
 	WAIT
 	BLIT 20,80,BLACK
 	BLIT 21,80,BLACK
 
-	BLIT 21,80,SPRITE7
-	BLIT 22,80,SPRITE8
+	BLIT 21,80,BOX7
+	BLIT 22,80,BOX8
 	WAIT
 	BLIT 21,80,BLACK
 	BLIT 22,80,BLACK
 
-	BLIT 21,80,SPRITE9
-	BLIT 22,80,SPRITE10
+	BLIT 21,80,BOX9
+	BLIT 22,80,BOX10
 	WAIT
 	BLIT 21,80,BLACK
 	BLIT 22,80,BLACK
 
-	BLIT 21,80,SPRITE11
-	BLIT 22,80,SPRITE12
+	BLIT 21,80,BOX11
+	BLIT 22,80,BOX12
 	WAIT
 	BLIT 21,80,BLACK
 	BLIT 22,80,BLACK
 
-	BLIT 22,80,SPRITE0
+	BLIT 22,80,BOX0
 	WAIT
 	BLIT 22,80,BLACK
 
@@ -222,6 +222,7 @@ venetianFill_inner:
 
 .include "hgrtable.s"
 .include "spritedata.s"
+.include "spritegen.s"
 
 
 ; Suppress some linker warnings - Must be the last thing in the file
diff --git a/spritegen.s b/spritegen.s
new file mode 100644
index 0000000..cac9602
--- /dev/null
+++ b/spritegen.s
@@ -0,0 +1,143 @@
+BOX0:
+	.byte	%01010101
+	.byte	%01010001
+	.byte	%01000101
+	.byte	%01010001
+	.byte	%01000101
+	.byte	%01010001
+	.byte	%01000101
+	.byte	%01010101
+
+
+BOX1:
+	.byte	%01010100
+	.byte	%01000100
+	.byte	%00010100
+	.byte	%01000100
+	.byte	%00010100
+	.byte	%01000100
+	.byte	%00010100
+	.byte	%01010100
+
+
+BOX2:
+	.byte	%00000010
+	.byte	%00000010
+	.byte	%00000010
+	.byte	%00000010
+	.byte	%00000010
+	.byte	%00000010
+	.byte	%00000010
+	.byte	%00000010
+
+
+BOX3:
+	.byte	%01010000
+	.byte	%00010000
+	.byte	%01010000
+	.byte	%00010000
+	.byte	%01010000
+	.byte	%00010000
+	.byte	%01010000
+	.byte	%01010000
+
+
+BOX4:
+	.byte	%00001010
+	.byte	%00001010
+	.byte	%00001000
+	.byte	%00001010
+	.byte	%00001000
+	.byte	%00001010
+	.byte	%00001000
+	.byte	%00001010
+
+
+BOX5:
+	.byte	%01000000
+	.byte	%01000000
+	.byte	%01000000
+	.byte	%01000000
+	.byte	%01000000
+	.byte	%01000000
+	.byte	%01000000
+	.byte	%01000000
+
+
+BOX6:
+	.byte	%00101010
+	.byte	%00101000
+	.byte	%00100010
+	.byte	%00101000
+	.byte	%00100010
+	.byte	%00101000
+	.byte	%00100010
+	.byte	%00101010
+
+
+BOX7:
+	.byte	%00101010
+	.byte	%00100010
+	.byte	%00001010
+	.byte	%00100010
+	.byte	%00001010
+	.byte	%00100010
+	.byte	%00001010
+	.byte	%00101010
+
+
+BOX8:
+	.byte	%00000001
+	.byte	%00000001
+	.byte	%00000001
+	.byte	%00000001
+	.byte	%00000001
+	.byte	%00000001
+	.byte	%00000001
+	.byte	%00000001
+
+
+BOX9:
+	.byte	%00101000
+	.byte	%00001000
+	.byte	%00101000
+	.byte	%00001000
+	.byte	%00101000
+	.byte	%00001000
+	.byte	%00101000
+	.byte	%00101000
+
+
+BOX10:
+	.byte	%00000101
+	.byte	%00000101
+	.byte	%00000100
+	.byte	%00000101
+	.byte	%00000100
+	.byte	%00000101
+	.byte	%00000100
+	.byte	%00000101
+
+
+BOX11:
+	.byte	%00100000
+	.byte	%00100000
+	.byte	%00100000
+	.byte	%00100000
+	.byte	%00100000
+	.byte	%00100000
+	.byte	%00100000
+	.byte	%00100000
+
+
+BOX12:
+	.byte	%00010101
+	.byte	%00010100
+	.byte	%00010001
+	.byte	%00010100
+	.byte	%00010001
+	.byte	%00010100
+	.byte	%00010001
+	.byte	%00010101
+
+