diff --git a/cross.asm b/cross.asm
deleted file mode 100755
index 316807d..0000000
--- a/cross.asm
+++ /dev/null
@@ -1,55 +0,0 @@
-	!BYTE	0,4	; Scanline repeat count
-	!BYTE	17,128+31,16
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	21,128+23,20
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	22,128+21,21
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	23,128+19,22
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	24,128+17,23
-	!BYTE	0,9	; Scanline repeat count
-	!BYTE	25,128+15,24
-	!BYTE	0,4	; Scanline repeat count
-	!BYTE	128+4,21,128+15,21,128+3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+5,20,128+15,20,128+4
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+6,19,128+15,19,128+5
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+7,19,128+13,19,128+6
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+8,19,128+11,19,128+7
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+23,4,128+11,4,128+22
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+24,3,128+11,3,128+23
-	!BYTE	0,11	; Scanline repeat count
-	!BYTE	128+64
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+24,3,128+11,3,128+23
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+23,4,128+11,4,128+22
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+8,19,128+11,19,128+7
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+7,19,128+13,19,128+6
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+6,19,128+15,19,128+5
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+5,20,128+15,20,128+4
-	!BYTE	0,4	; Scanline repeat count
-	!BYTE	128+4,21,128+15,21,128+3
-	!BYTE	0,9	; Scanline repeat count
-	!BYTE	25,128+15,24
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	24,128+17,23
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	23,128+19,22
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	22,128+21,21
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	21,128+23,20
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	16,128+32,16
-	!BYTE	0,0	; End of compressed map
diff --git a/drag.asm b/drag.asm
deleted file mode 100755
index 6c8e4be..0000000
--- a/drag.asm
+++ /dev/null
@@ -1,15 +0,0 @@
-	!BYTE	0,20	; Scanline repeat count
-	!BYTE	128+64
-	!BYTE	0,9	; Scanline repeat count
-	!BYTE	45,128+19
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+64
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	1,128+3,5,128+3,5,128+3,5,128+3,5,128+3,5,128+3,20
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+64
-	!BYTE	0,9	; Scanline repeat count
-	!BYTE	45,128+19
-	!BYTE	0,19	; Scanline repeat count
-	!BYTE	128+64
-	!BYTE	0,0	; End of compressed map
diff --git a/hole.asm b/hole.asm
deleted file mode 100755
index 522a14e..0000000
--- a/hole.asm
+++ /dev/null
@@ -1,71 +0,0 @@
-	!BYTE	0,4	; Scanline repeat count
-	!BYTE	128+64
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+28,7,128+1,1,128+27
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+24,16,128+24
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+21,22,128+21
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+19,26,128+19
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+17,30,128+17
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+16,32,128+16
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+14,36,128+14
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+13,38,128+13
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+12,40,128+12
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+11,42,128+11
-	!BYTE	0,2	; Scanline repeat count
-	!BYTE	128+10,44,128+10
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+9,46,128+9
-	!BYTE	0,2	; Scanline repeat count
-	!BYTE	128+8,48,128+8
-	!BYTE	0,2	; Scanline repeat count
-	!BYTE	128+7,50,128+7
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+6,52,128+6
-	!BYTE	0,4	; Scanline repeat count
-	!BYTE	128+5,54,128+5
-	!BYTE	0,8	; Scanline repeat count
-	!BYTE	128+4,56,128+4
-	!BYTE	0,4	; Scanline repeat count
-	!BYTE	128+5,54,128+5
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+6,52,128+6
-	!BYTE	0,2	; Scanline repeat count
-	!BYTE	128+7,50,128+7
-	!BYTE	0,2	; Scanline repeat count
-	!BYTE	128+8,48,128+8
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+9,46,128+9
-	!BYTE	0,2	; Scanline repeat count
-	!BYTE	128+10,44,128+10
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+11,42,128+11
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+12,40,128+12
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+13,38,128+13
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+14,36,128+14
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+16,32,128+16
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+17,30,128+17
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+19,26,128+19
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+21,22,128+21
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+24,16,128+24
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+28,7,128+1,1,128+27
-	!BYTE	0,4	; Scanline repeat count
-	!BYTE	128+64
-	!BYTE	0,0	; End of compressed map
diff --git a/maze.asm b/maze.asm
deleted file mode 100755
index 1149092..0000000
--- a/maze.asm
+++ /dev/null
@@ -1,63 +0,0 @@
-	!BYTE	0,4	; Scanline repeat count
-	!BYTE	128+64
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,57,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+4,1,128+19,1,128+23,1,128+3,1,128+7,1,128+3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,1,128+3,13,128+3,1,128+3,13,128+3,5,128+3,1,128+3,1,128+3,1,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+4,1,128+3,1,128+15,1,128+19,1,128+3,1,128+3,1,128+3,1,128+3,1,128+3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,1,128+3,1,128+3,9,128+3,1,128+3,9,128+3,1,128+3,1,128+3,1,128+3,1,128+3,1,128+3,1,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+4,1,128+3,1,128+15,1,128+11,1,128+3,1,128+3,1,128+3,1,128+7,1,128+3,1,128+3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,1,128+3,13,128+3,1,128+3,9,128+3,1,128+3,1,128+3,9,128+3,1,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+4,1,128+15,1,128+3,1,128+27,1,128+7,1,128+3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,13,128+3,1,128+3,13,128+3,1,128+3,5,128+3,1,128+3,5,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+20,1,128+19,1,128+15,1,128+7
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,13,128+3,17,128+3,1,128+3,9,128+3,1,128+3,1,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+4,1,128+35,1,128+11,1,128+3,1,128+3,1,128+3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,1,128+3,33,128+3,5,128+3,1,128+3,1,128+3,1,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+40,1,128+7,1,128+3,1,128+11
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,13,128+3,17,128+3,9,128+3,1,128+3,5,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+20,1,128+7,1,128+11,1,128+7,1,128+3,1,128+3,1,128+7
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	8,128+4,5,128+3,1,128+3,1,128+3,9,128+3,1,128+7,1,128+3,1,128+3,1,128+3,1,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+4,1,128+15,1,128+3,1,128+11,1,128+19,1,128+3,1,128+3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,1,128+3,13,128+3,1,128+3,5,128+3,1,128+3,5,128+3,1,128+3,5,128+3,1,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+4,1,128+15,1,128+3,1,128+7,1,128+3,1,128+7,1,128+3,1,128+11,1,128+3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,1,128+3,1,128+3,5,128+3,1,128+3,9,128+3,1,128+3,1,128+3,1,128+3,1,128+3,9,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+4,1,128+3,1,128+7,1,128+3,1,128+15,1,128+3,1,128+7,1,128+11,1,128+3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,1,128+3,17,128+3,1,128+3,5,128+3,5,128+3,1,128+3,1,128+3,1,128+3,1,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+4,1,128+3,1,128+19,1,128+19,1,128+3,1,128+3,1,128+3,1,128+3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,1,128+3,1,128+3,9,128+3,1,128+3,1,128+3,5,128+3,5,128+3,1,128+3,1,128+3,5,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+24,1,128+3,1,128+7,1,128+3,1,128+7,1,128+3,1,128+11
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	21,128+3,1,128+3,1,128+3,1,128+3,1,128+3,1,128+3,1,128+3,1,128+3,9,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+8,1,128+7,1,128+7,1,128+7,1,128+11,1,128+3,1,128+11,1,128+3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+4,1,128+3,1,128+3,1,128+3,1,128+3,1,128+3,1,128+3,1,128+3,13,128+3,9,128+3,1,128+3
-	!BYTE	0,3	; Scanline repeat count
-	!BYTE	128+4,1,128+7,1,128+7,1,128+3,1,128+3,1,128+27,1,128+7
-	!BYTE	0,0	; End of compressed map
diff --git a/rings.asm b/rings.asm
deleted file mode 100755
index e47ea15..0000000
--- a/rings.asm
+++ /dev/null
@@ -1,115 +0,0 @@
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	25,128+14,25
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	22,128+20,22
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	19,128+26,19
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	17,128+30,17
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	15,128+34,15
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	14,128+36,14
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	12,128+40,12
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	11,128+42,11
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	10,128+18,2,128+4,1,128+19,10
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	9,128+15,6,128+4,6,128+15,9
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	8,128+14,8,128+4,8,128+14,8
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	7,128+13,10,128+4,10,128+13,7
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	6,128+12,12,128+4,12,128+12,6
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	6,128+11,13,128+4,13,128+11,6
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	5,128+11,14,128+4,14,128+11,5
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	4,128+11,15,128+4,15,128+11,4
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	4,128+10,15,128+6,15,128+10,4
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	3,128+10,13,128+12,13,128+10,3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	3,128+9,12,128+16,12,128+9,3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	2,128+10,10,128+20,10,128+10,2
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	2,128+9,10,128+22,10,128+9,2
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	2,128+9,9,128+24,9,128+9,2
-	!BYTE	0,2	; Scanline repeat count
-	!BYTE	1,128+9,9,128+26,9,128+9,1
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	1,128+8,9,128+12,4,128+12,9,128+8,1
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+9,9,128+10,8,128+10,9,128+9
-	!BYTE	0,2	; Scanline repeat count
-	!BYTE	128+9,8,128+9,12,128+9,8,128+9
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+8,9,128+8,14,128+8,9,128+8
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+8,8,128+9,14,128+9,8,128+8
-	!BYTE	0,4	; Scanline repeat count
-	!BYTE	128+8,8,128+8,16,128+8,8,128+8
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+8,8,128+9,14,128+9,8,128+8
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+8,9,128+8,14,128+8,9,128+8
-	!BYTE	0,2	; Scanline repeat count
-	!BYTE	128+9,8,128+9,12,128+9,8,128+9
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	128+9,9,128+10,8,128+10,9,128+8,1
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	1,128+8,9,128+12,4,128+12,9,128+8,1
-	!BYTE	0,2	; Scanline repeat count
-	!BYTE	1,128+9,9,128+26,9,128+9,1
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	2,128+9,9,128+24,9,128+9,2
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	2,128+9,10,128+22,10,128+9,2
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	2,128+10,10,128+20,10,128+10,2
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	3,128+9,12,128+16,12,128+9,3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	3,128+10,13,128+12,13,128+10,3
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	4,128+10,15,128+6,15,128+10,4
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	4,128+11,15,128+4,15,128+11,4
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	5,128+11,14,128+4,14,128+11,5
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	6,128+11,13,128+4,13,128+11,6
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	6,128+12,12,128+4,12,128+12,6
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	7,128+13,10,128+4,10,128+13,7
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	8,128+14,8,128+4,8,128+14,8
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	9,128+15,6,128+4,6,128+15,9
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	10,128+17,1,128+1,1,128+4,2,128+18,10
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	11,128+42,11
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	12,128+40,12
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	14,128+36,14
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	15,128+34,15
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	17,128+30,17
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	19,128+26,19
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	22,128+20,22
-	!BYTE	0,1	; Scanline repeat count
-	!BYTE	26,128+13,25
-	!BYTE	0,0	; End of compressed map