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MMC5: finally fix PCM linear pitch mode issues

This commit is contained in:
tildearrow 2022-08-06 22:52:39 -05:00
parent 42a0ee13b8
commit 17dba66fa0
1 changed files with 8 additions and 4 deletions
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12
src/engine/platform/mmc5.cpp
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@ -171,7 +171,7 @@ void DivPlatformMMC5::tick(bool sysTick) {
// PCM
if (chan[2].freqChanged) {
chan[2].freq=parent->calcFreq(chan[2].baseFreq,chan[2].pitch,false);
chan[2].freq=parent->calcFreq(chan[2].baseFreq,chan[2].pitch,false,0,chan[2].pitch2,1,1);
if (chan[2].furnaceDac) {
double off=1.0;
if (dacSample>=0 && dacSample<parent->song.sampleLen) {
@ -201,7 +201,7 @@ int DivPlatformMMC5::dispatch(DivCommand c) {
}
dacPos=0;
dacPeriod=0;
chan[c.chan].baseFreq=parent->song.tuning*pow(2.0f,((float)(c.value+3)/12.0f));
chan[c.chan].baseFreq=parent->calcBaseFreq(1,1,c.value,false);
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].freqChanged=true;
chan[c.chan].note=c.value;
@ -282,7 +282,7 @@ int DivPlatformMMC5::dispatch(DivCommand c) {
chan[c.chan].freqChanged=true;
break;
case DIV_CMD_NOTE_PORTA: {
int destFreq=NOTE_PERIODIC(c.value2);
int destFreq=(c.chan==2)?(parent->calcBaseFreq(1,1,c.value2,false)):(NOTE_PERIODIC(c.value2));
bool return2=false;
if (destFreq>chan[c.chan].baseFreq) {
chan[c.chan].baseFreq+=c.value;
@ -315,7 +315,11 @@ int DivPlatformMMC5::dispatch(DivCommand c) {
}
break;
case DIV_CMD_LEGATO:
chan[c.chan].baseFreq=NOTE_PERIODIC(c.value+((chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode)?(chan[c.chan].std.arp.val):(0)));
if (c.chan==2) {
chan[c.chan].baseFreq=parent->calcBaseFreq(1,1,c.value+((chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode)?(chan[c.chan].std.arp.val):(0)),false);
} else {
chan[c.chan].baseFreq=NOTE_PERIODIC(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;