ref: 6057f285ad1a930315d1a45fa3d1aa08efe6801d 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