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implement sample off for rest of chips except X1

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This commit is contained in:
tildearrow 2024-04-24 03:45:59 -05:00
parent 84437bf0e3
commit 3989dffd58
12 changed files with 171 additions and 43 deletions
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41
src/engine/platform/segapcm.cpp
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@ -128,41 +128,47 @@ void DivPlatformSegaPCM::tick(bool sysTick) {
if (chan[i].keyOn || chan[i].keyOff) {
if (chan[i].keyOn && !chan[i].keyOff) {
rWrite(0x86+(i<<3),3);
chan[i].pcm.pos=0;
if (chan[i].setPos) {
chan[i].setPos=false;
} else {
chan[i].pcm.pos=0;
}
if (chan[i].furnacePCM) {
DivSample* s=parent->getSample(chan[i].pcm.sample);
int loopStart=s->getLoopStartPosition(DIV_SAMPLE_DEPTH_8BIT);
int actualLength=(s->getLoopEndPosition(DIV_SAMPLE_DEPTH_8BIT));
if (actualLength>0xfeff) actualLength=0xfeff;
rWrite(0x86+(i<<3),3+((sampleOffSegaPCM[chan[i].pcm.sample]>>16)<<3));
rWrite(0x84+(i<<3),(sampleOffSegaPCM[chan[i].pcm.sample])&0xff);
rWrite(0x85+(i<<3),(sampleOffSegaPCM[chan[i].pcm.sample]>>8)&0xff);
int actualPos=sampleOffSegaPCM[chan[i].pcm.sample]+chan[i].pcm.pos;
rWrite(0x86+(i<<3),3+((actualPos>>16)<<3));
rWrite(0x84+(i<<3),(actualPos)&0xff);
rWrite(0x85+(i<<3),(actualPos>>8)&0xff);
rWrite(6+(i<<3),sampleEndSegaPCM[chan[i].pcm.sample]);
if (!s->isLoopable()) {
rWrite(0x86+(i<<3),2+((sampleOffSegaPCM[chan[i].pcm.sample]>>16)<<3));
rWrite(0x86+(i<<3),2+((actualPos>>16)<<3));
} else {
int loopPos=(sampleOffSegaPCM[chan[i].pcm.sample]&0xffff)+loopStart;
logV("sampleOff: %x loopPos: %x",sampleOffSegaPCM[chan[i].pcm.sample],loopPos);
int loopPos=(actualPos&0xffff)+loopStart;
logV("sampleOff: %x loopPos: %x",actualPos,loopPos);
rWrite(4+(i<<3),loopPos&0xff);
rWrite(5+(i<<3),(loopPos>>8)&0xff);
rWrite(0x86+(i<<3),((sampleOffSegaPCM[chan[i].pcm.sample]>>16)<<3));
rWrite(0x86+(i<<3),((actualPos>>16)<<3));
}
} else {
DivSample* s=parent->getSample(chan[i].pcm.sample);
int loopStart=s->getLoopStartPosition(DIV_SAMPLE_DEPTH_8BIT);
int actualLength=(s->getLoopEndPosition(DIV_SAMPLE_DEPTH_8BIT));
if (actualLength>0xfeff) actualLength=0xfeff;
rWrite(0x86+(i<<3),3+((sampleOffSegaPCM[chan[i].pcm.sample]>>16)<<3));
rWrite(0x84+(i<<3),(sampleOffSegaPCM[chan[i].pcm.sample])&0xff);
rWrite(0x85+(i<<3),(sampleOffSegaPCM[chan[i].pcm.sample]>>8)&0xff);
int actualPos=sampleOffSegaPCM[chan[i].pcm.sample]+chan[i].pcm.pos;
rWrite(0x86+(i<<3),3+((actualPos>>16)<<3));
rWrite(0x84+(i<<3),(actualPos)&0xff);
rWrite(0x85+(i<<3),(actualPos>>8)&0xff);
rWrite(6+(i<<3),sampleEndSegaPCM[chan[i].pcm.sample]);
if (!s->isLoopable()) {
rWrite(0x86+(i<<3),2+((sampleOffSegaPCM[chan[i].pcm.sample]>>16)<<3));
rWrite(0x86+(i<<3),2+((actualPos>>16)<<3));
} else {
int loopPos=(sampleOffSegaPCM[chan[i].pcm.sample]&0xffff)+loopStart;
int loopPos=(actualPos&0xffff)+loopStart;
rWrite(4+(i<<3),loopPos&0xff);
rWrite(5+(i<<3),(loopPos>>8)&0xff);
rWrite(0x86+(i<<3),((sampleOffSegaPCM[chan[i].pcm.sample]>>16)<<3));
rWrite(0x86+(i<<3),((actualPos>>16)<<3));
}
rWrite(7+(i<<3),chan[i].pcm.freq);
}
@ -335,6 +341,13 @@ int DivPlatformSegaPCM::dispatch(DivCommand c) {
sampleBank=parent->song.sample.size()/12;
}
break;
case DIV_CMD_SAMPLE_POS:
chan[c.chan].pcm.pos=c.value;
chan[c.chan].setPos=true;
if (chan[c.chan].active) {
chan[c.chan].keyOn=true;
}
break;
case DIV_CMD_MACRO_OFF:
chan[c.chan].std.mask(c.value,true);
break;