ref: bfd1d53d847b31b170693c40439fa3b61c473c17
dir: /audio/sfx/purchase_1.asm/
SFX_Purchase_1_Ch4: duty 2 squarenote 4, 14, 1, 1792 squarenote 8, 15, 2, 2016 endchannel SFX_Purchase_1_Ch5: duty 2 squarenote 1, 0, 8, 0 squarenote 4, 9, 1, 1729 squarenote 8, 10, 2, 1953 endchannel