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fix non-linear pitch

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tildearrow 2022-05-19 23:18:18 -05:00
parent 58dc628a40
commit 0ef0296b7d
4 changed files with 7 additions and 7 deletions
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6
src/engine/platform/genesis.cpp
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@ -472,9 +472,9 @@ void DivPlatformGenesis::tick(bool sysTick) {
if (i==2 && extMode) continue;
if (chan[i].freqChanged) {
if (parent->song.linearPitch==2) {
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,4,chan[i].pitch2,chipClock,CHIP_FREQBASE,11);
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2,chipClock,CHIP_FREQBASE,11);
} else {
int fNum=parent->calcFreq(chan[i].baseFreq&0x7ff,chan[i].pitch,false,4,chan[i].pitch2,chipClock,CHIP_FREQBASE,11);
int fNum=parent->calcFreq(chan[i].baseFreq&0x7ff,chan[i].pitch,false,2,chan[i].pitch2,chipClock,CHIP_FREQBASE,11);
int block=(chan[i].baseFreq&0xf800)>>11;
if (fNum<0) fNum=0;
if (fNum>2047) {
@ -499,7 +499,7 @@ void DivPlatformGenesis::tick(bool sysTick) {
off=(double)s->centerRate/8363.0;
}
}
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,4,chan[i].pitch2,1,1);
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2,1,1);
dacRate=chan[i].freq*off;
if (dacRate<1) dacRate=1;
if (dumpWrites) addWrite(0xffff0001,dacRate);