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Dave: fix DAC

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tildearrow 2024-02-04 04:08:15 -05:00
parent 838dac7efb
commit 4679f849b3
1 changed files with 8 additions and 1 deletions
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9
src/engine/platform/dave.cpp
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@ -67,7 +67,7 @@ void DivPlatformDave::acquire(short** buf, size_t len) {
for (size_t h=0; h<len; h++) {
for (int i=4; i<6; i++) {
if (chan[i].dacSample!=-1) {
chan[i].dacPeriod+=chan[i].freq;
chan[i].dacPeriod+=chan[i].dacRate;
if (chan[i].dacPeriod>rate) {
DivSample* s=parent->getSample(chan[i].dacSample);
if (s->samples<=0) {
@ -230,6 +230,13 @@ void DivPlatformDave::tick(bool sysTick) {
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
if (i>=4) {
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,0,chan[i].pitch2,1,1);
double off=1.0;
if (chan[i].dacSample>=0 && chan[i].dacSample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[i].dacSample);
off=(double)s->centerRate/8363.0;
}
chan[i].dacRate=chan[i].freq*off;
} else {
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
}