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OPL: implement fixed frequency mode

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tildearrow 2022-03-17 02:40:10 -05:00
parent 5d6bbce916
commit d6dfe2636a
1 changed files with 13 additions and 1 deletions
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12
src/engine/platform/opl.cpp
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@ -582,7 +582,19 @@ int DivPlatformOPL::dispatch(DivCommand c) {
chan[c.chan].insChanged=false; chan[c.chan].insChanged=false;
if (c.value!=DIV_NOTE_NULL) { if (c.value!=DIV_NOTE_NULL) {
if (c.chan>=melodicChans && chan[c.chan].state.opllPreset==16 && chan[c.chan].state.fixedDrums) { // drums
if (c.chan==melodicChans) {
chan[c.chan].baseFreq=(chan[c.chan].state.kickFreq&1023)<<(chan[c.chan].state.kickFreq>>10);
} else if (c.chan==melodicChans+1 || c.chan==melodicChans+4) {
chan[c.chan].baseFreq=(chan[c.chan].state.snareHatFreq&1023)<<(chan[c.chan].state.snareHatFreq>>10);
} else if (c.chan==melodicChans+2 || c.chan==melodicChans+3) {
chan[c.chan].baseFreq=(chan[c.chan].state.tomTopFreq&1023)<<(chan[c.chan].state.tomTopFreq>>10);
} else {
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value); chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
}
} else {
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
}
chan[c.chan].note=c.value; chan[c.chan].note=c.value;
chan[c.chan].freqChanged=true; chan[c.chan].freqChanged=true;
} }