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POKEY: E5xx fix?

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tildearrow 2023-05-28 04:51:38 -05:00
parent 831598b1aa
commit aaebdf3e5e
1 changed files with 6 additions and 1 deletions
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7
src/engine/platform/pokey.cpp
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@ -156,7 +156,7 @@ void DivPlatformPOKEY::tick(bool sysTick) {
for (int i=0; i<4; i++) { for (int i=0; i<4; i++) {
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) { if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
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); chan[i].freq=parent->calcFreq(chan[i].baseFreq,parent->song.linearPitch?chan[i].pitch:0,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,true,0,parent->song.linearPitch?chan[i].pitch2:0,chipClock,CHIP_DIVIDER);
if ((i==0 && !(audctl&64)) || (i==2 && !(audctl&32)) || i==1 || i==3) { if ((i==0 && !(audctl&64)) || (i==2 && !(audctl&32)) || i==1 || i==3) {
chan[i].freq/=7; chan[i].freq/=7;
@ -194,6 +194,11 @@ void DivPlatformPOKEY::tick(bool sysTick) {
chan[i].freq>>=2; chan[i].freq>>=2;
} }
// non-linear pitch
if (parent->song.linearPitch==0) {
chan[i].freq-=chan[i].pitch;
}
if (--chan[i].freq<0) chan[i].freq=0; if (--chan[i].freq<0) chan[i].freq=0;
// snap buzz periods // snap buzz periods