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OPLL: fix fixed drums freq

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tildearrow 2022-05-16 05:06:26 -05:00
parent c5259066e1
commit e3d2faf427
2 changed files with 7 additions and 4 deletions
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8
src/engine/platform/opll.cpp
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@ -301,6 +301,7 @@ void DivPlatformOPLL::tick(bool sysTick) {
for (int i=0; i<11; i++) {
if (chan[i].freqChanged) {
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq),chan[i].pitch2,chipClock,CHIP_FREQBASE);
if (chan[i].fixedFreq>0) chan[i].freq=chan[i].fixedFreq;
if (chan[i].freq>262143) chan[i].freq=262143;
int freqt=toFreq(chan[i].freq)+chan[i].pitch2;
chan[i].freqL=freqt&0xff;
@ -420,15 +421,16 @@ int DivPlatformOPLL::dispatch(DivCommand c) {
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);
chan[c.chan].fixedFreq=(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);
chan[c.chan].fixedFreq=(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);
chan[c.chan].fixedFreq=(chan[c.chan].state.tomTopFreq&511)<<(chan[c.chan].state.tomTopFreq>>9);
break;
default:
chan[c.chan].fixedFreq=0;
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
break;
}

3
src/engine/platform/opll.h
View file

@ -33,7 +33,7 @@ class DivPlatformOPLL: public DivDispatch {
DivInstrumentFM state;
DivMacroInt std;
unsigned char freqH, freqL;
int freq, baseFreq, pitch, pitch2, note, ins;
int freq, baseFreq, pitch, pitch2, note, ins, fixedFreq;
bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, furnaceDac, inPorta;
int vol, outVol;
unsigned char pan;
@ -50,6 +50,7 @@ class DivPlatformOPLL: public DivDispatch {
pitch2(0),
note(0),
ins(-1),
fixedFreq(0),
active(false),
insChanged(true),
freqChanged(false),