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Amiga: linear pitch oopsie

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This commit is contained in:
tildearrow 2022-05-13 22:55:17 -05:00
parent d7ec3b13c5
commit 07871eacc3
1 changed files with 4 additions and 31 deletions
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35
src/engine/platform/amiga.cpp
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@ -220,7 +220,7 @@ void DivPlatformAmiga::tick(bool sysTick) {
}
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
//DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_AMIGA);
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
chan[i].freq=off*parent->calcFreq(chan[i].baseFreq,chan[i].pitch,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
if (chan[i].freq>4095) chan[i].freq=4095;
if (chan[i].freq<0) chan[i].freq=0;
if (chan[i].keyOn) {
@ -238,7 +238,6 @@ int DivPlatformAmiga::dispatch(DivCommand c) {
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA);
double off=1.0;
if (ins->amiga.useWave) {
chan[c.chan].useWave=true;
chan[c.chan].audLen=(ins->amiga.waveLen+1)>>1;
@ -252,17 +251,9 @@ int DivPlatformAmiga::dispatch(DivCommand c) {
} else {
chan[c.chan].sample=ins->amiga.initSample;
chan[c.chan].useWave=false;
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[c.chan].sample);
if (s->centerRate<1) {
off=1.0;
} else {
off=8363.0/(double)s->centerRate;
}
}
}
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].baseFreq=round(off*NOTE_PERIODIC_NOROUND(c.value));
chan[c.chan].baseFreq=round(NOTE_PERIODIC_NOROUND(c.value));
}
if (chan[c.chan].useWave || chan[c.chan].sample<0 || chan[c.chan].sample>=parent->song.sampleLen) {
chan[c.chan].sample=-1;
@ -329,16 +320,7 @@ int DivPlatformAmiga::dispatch(DivCommand c) {
case DIV_CMD_NOTE_PORTA: {
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA);
chan[c.chan].sample=ins->amiga.initSample;
double off=1.0;
if (!chan[c.chan].useWave && chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[c.chan].sample);
if (s->centerRate<1) {
off=1.0;
} else {
off=8363.0/(double)s->centerRate;
}
}
int destFreq=round(off*NOTE_PERIODIC_NOROUND(c.value2));
int destFreq=round(NOTE_PERIODIC_NOROUND(c.value2));
bool return2=false;
if (destFreq>chan[c.chan].baseFreq) {
chan[c.chan].baseFreq+=c.value;
@ -361,16 +343,7 @@ int DivPlatformAmiga::dispatch(DivCommand c) {
break;
}
case DIV_CMD_LEGATO: {
double off=1.0;
if (!chan[c.chan].useWave && chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[c.chan].sample);
if (s->centerRate<1) {
off=1.0;
} else {
off=8363.0/(double)s->centerRate;
}
}
chan[c.chan].baseFreq=round(off*NOTE_PERIODIC_NOROUND(c.value+((chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode)?(chan[c.chan].std.arp.val):(0))));
chan[c.chan].baseFreq=round(NOTE_PERIODIC_NOROUND(c.value+((chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode)?(chan[c.chan].std.arp.val):(0))));
chan[c.chan].freqChanged=true;
chan[c.chan].note=c.value;
break;