ref: 8d2afb7c1324adf6f6b70637a8300073c0a2cb81 dir: /audio/sfx/swap_1.asm/
SFX_Swap_1_Ch4: duty 2 squarenote 8, 14, 1, 1856 endchannel SFX_Swap_1_Ch5: duty 2 squarenote 2, 0, 8, 0 squarenote 8, 11, 1, 1857 endchannel