diff --git a/tb1_snes/Makefile b/tb1_snes/Makefile
index 8a8b441..f3ca582 100644
--- a/tb1_snes/Makefile
+++ b/tb1_snes/Makefile
@@ -23,8 +23,8 @@ level1_pal0.sprites:	graphics/level1_pal0.pcx tools/pcx_to_tiles_4bpp
 level1_background.tiles:	graphics/level1_background.pcx ./tools/pcx_to_compressed_tilemap
 	./tools/pcx_to_compressed_tilemap level1_background 4  < graphics/level1_background.pcx > level1_background.tiles
 
-tb1_opening.tiles:	graphics/vmw_logo.pcx ./tools/pcx_to_tiles_8bpp
-	./tools/pcx_to_tiles_8bpp vmw_logo < graphics/vmw_logo.pcx > tb1_opening.tiles
+tb1_opening.tiles:	graphics/vmw_logo.pcx ./tools/pcx_to_compressed_tilemap
+	./tools/pcx_to_compressed_tilemap vmw_logo 8 < graphics/vmw_logo.pcx > tb1_opening.tiles
 
 tb1_title.tiles:	graphics/tb1_title.pcx ./tools/pcx_to_compressed_tilemap
 	./tools/pcx_to_compressed_tilemap title_screen 8 < graphics/tb1_title.pcx > tb1_title.tiles
diff --git a/tb1_snes/checksum.inc b/tb1_snes/checksum.inc
index 225a25f..341c231 100644
--- a/tb1_snes/checksum.inc
+++ b/tb1_snes/checksum.inc
@@ -1,2 +1,2 @@
-	.word	$dfde		; Complement of checksum
-	.word	$2021		; Unsigned 16-bit sum of ROM
+	.word	$5ea8		; Complement of checksum
+	.word	$a157		; Unsigned 16-bit sum of ROM
diff --git a/tb1_snes/graphics/vmw_logo.pcx b/tb1_snes/graphics/vmw_logo.pcx
index 4b0bda1..5490bcf 100644
Binary files a/tb1_snes/graphics/vmw_logo.pcx and b/tb1_snes/graphics/vmw_logo.pcx differ