ref: b945988a0af9de9a37d95be8b117f395bc6e5592 dir: /audio/sfx/swap_1.asm/
SFX_Swap_1_Ch5: duty_cycle 2 square_note 8, 14, 1, 1856 sound_ret SFX_Swap_1_Ch6: duty_cycle 2 square_note 2, 0, 8, 0 square_note 8, 11, 1, 1857 sound_ret