ref: 1a84ca4e552c6b5c98500475a5bc177f59e3b42a dir: /constants/gfx_constants.asm/
LEN_2BPP_TILE EQU 16 LEN_1BPP_TILE EQU 8 TILES_PER_FRAME EQU 6 TILESIZE EQU $10