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OPNA: try an ADPCM fix

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tildearrow 2022-10-24 22:53:44 -05:00
parent e4a85a58f8
commit b073689ac9
1 changed files with 3 additions and 1 deletions
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4
src/engine/platform/ym2608.cpp
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@ -627,7 +627,7 @@ void DivPlatformYM2608::tick(bool sysTick) {
immWrite(0x109,chan[15].freq&0xff); immWrite(0x109,chan[15].freq&0xff);
immWrite(0x10a,(chan[15].freq>>8)&0xff); immWrite(0x10a,(chan[15].freq>>8)&0xff);
if (chan[15].keyOn || chan[15].keyOff) { if (chan[15].keyOn || chan[15].keyOff) {
immWrite(0x100,0x01); // reset if (chan[15].keyOff) immWrite(0x100,0x01); // reset
if (chan[15].active && chan[15].keyOn && !chan[15].keyOff) { if (chan[15].active && chan[15].keyOn && !chan[15].keyOff) {
if (chan[15].sample>=0 && chan[15].sample<parent->song.sampleLen) { if (chan[15].sample>=0 && chan[15].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[15].sample); DivSample* s=parent->getSample(chan[15].sample);
@ -685,6 +685,7 @@ int DivPlatformYM2608::dispatch(DivCommand c) {
chan[c.chan].sample=ins->amiga.getSample(c.value); chan[c.chan].sample=ins->amiga.getSample(c.value);
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) { if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[c.chan].sample); DivSample* s=parent->getSample(chan[c.chan].sample);
immWrite(0x100,0x01); // reset
immWrite(0x102,(sampleOffB[chan[c.chan].sample]>>5)&0xff); immWrite(0x102,(sampleOffB[chan[c.chan].sample]>>5)&0xff);
immWrite(0x103,(sampleOffB[chan[c.chan].sample]>>13)&0xff); immWrite(0x103,(sampleOffB[chan[c.chan].sample]>>13)&0xff);
int end=sampleOffB[chan[c.chan].sample]+s->lengthB-1; int end=sampleOffB[chan[c.chan].sample]+s->lengthB-1;
@ -716,6 +717,7 @@ int DivPlatformYM2608::dispatch(DivCommand c) {
chan[c.chan].sample=12*sampleBank+c.value%12; chan[c.chan].sample=12*sampleBank+c.value%12;
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) { if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
DivSample* s=parent->getSample(chan[c.chan].sample); DivSample* s=parent->getSample(chan[c.chan].sample);
immWrite(0x100,0x01); // reset
immWrite(0x102,(sampleOffB[chan[c.chan].sample]>>5)&0xff); immWrite(0x102,(sampleOffB[chan[c.chan].sample]>>5)&0xff);
immWrite(0x103,(sampleOffB[chan[c.chan].sample]>>13)&0xff); immWrite(0x103,(sampleOffB[chan[c.chan].sample]>>13)&0xff);
int end=sampleOffB[chan[c.chan].sample]+s->lengthB-1; int end=sampleOffB[chan[c.chan].sample]+s->lengthB-1;