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prepare for proper center rate

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the correct rate is 8372Hz rather than 8363Hz
sadly this will require a compat flag so I am not making this change
effective until 0.7

issue #2347
This commit is contained in:
tildearrow 2025-02-06 02:14:21 -05:00
parent b95f9885a4
commit 9dee51851f
39 changed files with 57 additions and 46 deletions
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2
src/engine/platform/pcmdac.cpp
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@ -292,7 +292,7 @@ void DivPlatformPCMDAC::tick(bool sysTick) {
double off=1.0;
if (!chan[0].useWave && chan[0].sample>=0 && chan[0].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[0].sample);
off=(s->centerRate>=1)?((double)s->centerRate/8363.0):1.0;
off=(s->centerRate>=1)?((double)s->centerRate/parent->getCenterRate()):1.0;
}
chan[0].freq=off*parent->calcFreq(chan[0].baseFreq,chan[0].pitch,chan[0].fixedArp?chan[0].baseNoteOverride:chan[0].arpOff,chan[0].fixedArp,false,2,chan[0].pitch2,chipClock,CHIP_FREQBASE);
if (chan[0].freq>16777215) chan[0].freq=16777215;