ref: bf67f7174d8e3f1348c786618ee5a3a076d1eff8
dir: /audio/sfx/purchase_1.asm/
SFX_Purchase_1_Ch4: duty 2 unknownsfx0x20 4, 225, 0, 7 unknownsfx0x20 8, 242, 224, 7 endchannel SFX_Purchase_1_Ch5: duty 2 unknownsfx0x20 1, 8, 0, 0 unknownsfx0x20 4, 145, 193, 6 unknownsfx0x20 8, 162, 161, 7 endchannel