ref: 23bdfa2b4cb286fd9e6d2e433afceec46eeadf22
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