ref: 50963770f3dbb953df904bc6c822713e210a24da dir: /audio/sfx/press_ab_2.asm/
SFX_Press_AB_2_Ch5: duty_cycle 2 square_note 0, 9, 1, 1984 square_note 0, 8, 1, 2000 square_note 0, 9, 1, 1984 square_note 12, 10, 1, 2000 sound_ret