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Possibly fix ES5506 sample offset command

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This commit is contained in:
cam900 2023-02-13 07:52:52 +09:00
parent 21d6f4f6d6
commit 97bb0572b6
2 changed files with 20 additions and 14 deletions
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32
src/engine/platform/es5506.cpp
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@ -588,6 +588,22 @@ void DivPlatformES5506::tick(bool sysTick) {
}
chan[i].noteChanged.changed=0;
}
if (chan[i].pcm.setPos) {
if (chan[i].active) {
const unsigned int start=chan[i].pcm.start;
const unsigned int end=chan[i].pcm.length;
const unsigned int pos=chan[i].pcm.direction?(end-chan[i].pcm.nextPos):chan[i].pcm.nextPos;
if ((chan[i].pcm.direction && pos>0) || ((!chan[i].pcm.direction) && pos<end)) {
pageWrite(0x20|i,0x03,start+(pos<<11));
}
} else {
// force keyon
chan[i].keyOn=true;
}
chan[i].pcm.setPos=false;
} else {
chan[i].pcm.nextPos=0;
}
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
chan[i].freq=CLAMP(parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,2,chan[i].pitch2,chipClock,chan[i].pcm.freqOffs),0,0x1ffff);
if (chan[i].keyOn) {
@ -1029,20 +1045,8 @@ int DivPlatformES5506::dispatch(DivCommand c) {
chan[c.chan].inPorta=c.value;
break;
case DIV_CMD_SAMPLE_POS: {
if (chan[c.chan].useWave) break;
if (chan[c.chan].active) {
const unsigned int start=chan[c.chan].pcm.start;
const unsigned int end=chan[c.chan].pcm.length;
const unsigned int pos=chan[c.chan].pcm.direction?(end-c.value):c.value;
if ((chan[c.chan].pcm.direction && pos>0) || ((!chan[c.chan].pcm.direction) && pos<end)) {
pageWrite(0x20|c.chan,0x03,start+(pos<<11));
}
break;
} else {
if (chan[c.chan].pcm.nextPos!=0) {
chan[c.chan].pcm.nextPos=c.value;
}
}
chan[c.chan].pcm.nextPos=c.value;
chan[c.chan].pcm.setPos=true;
break;
}
case DIV_CMD_SAMPLE_DIR: {