ref: f8a9c37a0019eb085c22c6e3ae53b16ff0cd4f6a dir: /audio/sfx/trade_machine_3.asm/
SFX_Trade_Machine_3_Ch1: ; 7c4c7 (1f:44c7) duty 2 unknownsfx0x10 21 unknownsfx0x20 15, 240, 240, 4 unknownsfx0x20 15, 242, 80, 6 unknownsfx0x10 8 endchannel