ref: 70dde9d96b0e3025c72ae29783e94c56fa5cbe1c dir: /audio/sfx/trade_machine_3.asm/
SFX_Trade_Machine_3_Ch1: duty 2 unknownsfx0x10 21 unknownsfx0x20 15, 240, 240, 4 unknownsfx0x20 15, 242, 80, 6 unknownsfx0x10 8 endchannel