ref: 48e0125bd68054f81e97a5eec14f145dc3c921d7 dir: /audio/sfx/trade_machine_1.asm/
SFX_Trade_Machine_1_Ch1: duty 2 unknownsfx0x10 21 unknownsfx0x20 15, 240, 240, 4 unknownsfx0x20 15, 242, 80, 6 unknownsfx0x10 8 endchannel