Here’s a helpful guide to understanding YM2413 and the instruments.bin file often associated with it.
Why can't you just rename a .wav file to .bin? Because the YM2413 speaks a very strict hardware language. ym2413+instrumentsbin
int main() // Example: a "bright piano" patch (just as demo) OpllVoice voice = 0x01, // op1: MULT=1, no AM/VIB, EGT=0, KSR=0 0x22, // KSL=2, TL=34 (decimal) → 0x22 0x9C, // AR=15, DR=12 → 0x9C 0x17, // SL=2, RR=7 0x01, // op2 same MULT 0x00, // op2 KSL=0, TL=0 0xFC, // AR=15, DR=12 0x37 // SL=3, RR=7 ; Here’s a helpful guide to understanding YM2413 and
18;write_to_target_document7;default0;13cf;0;31d;18;write_to_target_document1a;_xGXuaaOtCcegnesPkNGBqAY_20;fd6; The 15 Original Presets // op1: MULT=1