ref: ca01a92880a5d71bce2bec6caa7714c8e1cf0f17 dir: /constants/gfx_constants.asm/
LEN_2BPP_TILE EQU 16 LEN_1BPP_TILE EQU 8 TILES_PER_FRAME EQU 6 TILESIZE EQU $10