ref: 2ee8ce26da2d8195be9440335323d7ad9f9a168d
dir: /constants/input_constants.asm/
; joypad buttons const_def const BIT_A_BUTTON const BIT_B_BUTTON const BIT_SELECT const BIT_START const BIT_D_RIGHT const BIT_D_LEFT const BIT_D_UP const BIT_D_DOWN NO_INPUT EQU 0 A_BUTTON EQU 1 << BIT_A_BUTTON B_BUTTON EQU 1 << BIT_B_BUTTON SELECT EQU 1 << BIT_SELECT START EQU 1 << BIT_START D_RIGHT EQU 1 << BIT_D_RIGHT D_LEFT EQU 1 << BIT_D_LEFT D_UP EQU 1 << BIT_D_UP D_DOWN EQU 1 << BIT_D_DOWN