ref: 7da503ac3385335bb9fa57f1fbdaaec34b9ef1f5
dir: /gfx/pics/201a/bitmask.asm/
; 0 db %00000000 db %00010000 db %00000000 db %00000000 ; 1 db %00000000 db %00001100 db %00000000 db %00000000 ; 2 db %10000000 db %00110000 db %00000010 db %00000000 ; 0xd3b13