ref: 1ee8de792ba5bf45290a4cb49b6bc3ee6aa539f3
dir: /constants/misc_constants.asm/
A_BUTTON EQU %00000001 B_BUTTON EQU %00000010 SELECT EQU %00000100 START EQU %00001000 D_RIGHT EQU %00010000 D_LEFT EQU %00100000 D_UP EQU %01000000 D_DOWN EQU %10000000