Fix #537: Palettes generated from PNGs use .gbcpal directly.

This avoids overwriting a .pal file from a .png with the same name. It also prevents people from trying to edit generated .pal files.
2018-08-31 21:39:17 -04:00
parent a71b28e5b7
commit 36b21b39d8
4 changed files with 331 additions and 326 deletions
--- a/macros/gfx.asm
+++ b/macros/gfx.asm
@@ -17,3 +17,8 @@ color    EQUS "+ PAL_COLOR_SIZE *"

 tiles EQUS "* LEN_2BPP_TILE"
 tile  EQUS "+ LEN_2BPP_TILE *"
+
+; extracts the middle two colors from a 2bpp binary palette
+; example usage:
+; INCBIN "foo.gbcpal", middle_colors
+middle_colors EQUS "PAL_COLOR_SIZE, PAL_COLOR_SIZE * 2"