ref: d74d2542412ca5d58d9077801b35b8061a68b0cc
dir: /gfx/pics/201y/bitmask.asm/
; 0 db %01000000 db %00000000 db %00000000 db %00000000 ; 1 db %00000000 db %00000000 db %00000001 db %00000000 ; 2 db %11000000 db %00111001 db %00000111 db %00000000 ; 3 db %10000000 db %00111000 db %00000010 db %00000000 ; 0xd3c23