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OPLL: implement fixed freq mode for drums

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issue #249
This commit is contained in:
tildearrow 2022-03-04 01:18:16 -05:00
parent 8e5b3abab8
commit 8758277199
6 changed files with 123 additions and 6 deletions
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19
src/engine/platform/opll.cpp
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@ -377,7 +377,24 @@ int DivPlatformOPLL::dispatch(DivCommand c) {
if (c.chan>=6 && properDrums) { // drums mode
chan[c.chan].insChanged=false;
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
if (chan[c.chan].state.opllPreset==16 && chan[c.chan].state.fixedDrums) {
switch (c.chan) {
case 6:
chan[c.chan].baseFreq=(chan[c.chan].state.kickFreq&511)<<(chan[c.chan].state.kickFreq>>9);
break;
case 7: case 10:
chan[c.chan].baseFreq=(chan[c.chan].state.snareHatFreq&511)<<(chan[c.chan].state.snareHatFreq>>9);
break;
case 8: case 9:
chan[c.chan].baseFreq=(chan[c.chan].state.tomTopFreq&511)<<(chan[c.chan].state.tomTopFreq>>9);
break;
default:
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
break;
}
} else {
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
}
chan[c.chan].note=c.value;
chan[c.chan].freqChanged=true;
}