ref: 6f72bfece1352fc7f4aefc9bb98ef42d8bf182c3 dir: /constants/gfx_constants.asm/
LEN_2BPP_TILE EQU 16 LEN_1BPP_TILE EQU 8 TILES_PER_FRAME EQU 6 TILESIZE EQU $10