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channel mute/solo!

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This commit is contained in:
tildearrow 2021-12-18 03:25:42 -05:00
parent c4c019e593
commit b3b66ecbdb
27 changed files with 416 additions and 48 deletions
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41
src/engine/platform/arcade.cpp
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@ -118,12 +118,14 @@ void DivPlatformArcade::acquire_ymfm(short* bufL, short* bufR, size_t start, siz
for (int i=8; i<13; i++) {
if (chan[i].pcm.sample>=0 && chan[i].pcm.sample<parent->song.sampleLen) {
DivSample* s=parent->song.sample[chan[i].pcm.sample];
if (s->depth==8) {
pcmL+=(s->rendData[chan[i].pcm.pos>>8]*chan[i].chVolL);
pcmR+=(s->rendData[chan[i].pcm.pos>>8]*chan[i].chVolR);
} else {
pcmL+=(s->rendData[chan[i].pcm.pos>>8]*chan[i].chVolL)>>8;
pcmR+=(s->rendData[chan[i].pcm.pos>>8]*chan[i].chVolR)>>8;
if (!isMuted[i]) {
if (s->depth==8) {
pcmL+=(s->rendData[chan[i].pcm.pos>>8]*chan[i].chVolL);
pcmR+=(s->rendData[chan[i].pcm.pos>>8]*chan[i].chVolR);
} else {
pcmL+=(s->rendData[chan[i].pcm.pos>>8]*chan[i].chVolL)>>8;
pcmR+=(s->rendData[chan[i].pcm.pos>>8]*chan[i].chVolR)>>8;
}
}
chan[i].pcm.pos+=chan[i].pcm.freq;
if (chan[i].pcm.pos>=(s->rendLength<<8)) {
@ -191,6 +193,18 @@ void DivPlatformArcade::tick() {
}
}
void DivPlatformArcade::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
if (ch<8) {
DivInstrument* ins=parent->getIns(chan[ch].ins);
if (isMuted[ch]) {
rWrite(chanOffs[ch]+0x20,(ins->fm.alg&7)|(ins->fm.fb<<3));
} else {
rWrite(chanOffs[ch]+0x20,(ins->fm.alg&7)|(ins->fm.fb<<3)|((chan[ch].chVolL&1)<<6)|((chan[ch].chVolR&1)<<7));
}
}
}
int DivPlatformArcade::dispatch(DivCommand c) {
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
@ -227,7 +241,11 @@ int DivPlatformArcade::dispatch(DivCommand c) {
}
}
if (chan[c.chan].insChanged) {
rWrite(chanOffs[c.chan]+0x20,(ins->fm.alg&7)|(ins->fm.fb<<3)|((chan[c.chan].chVolL&1)<<6)|((chan[c.chan].chVolR&1)<<7));
if (isMuted[c.chan]) {
rWrite(chanOffs[c.chan]+0x20,(ins->fm.alg&7)|(ins->fm.fb<<3));
} else {
rWrite(chanOffs[c.chan]+0x20,(ins->fm.alg&7)|(ins->fm.fb<<3)|((chan[c.chan].chVolL&1)<<6)|((chan[c.chan].chVolR&1)<<7));
}
rWrite(chanOffs[c.chan]+0x38,((ins->fm.fms&7)<<4)|(ins->fm.ams&3));
}
chan[c.chan].insChanged=false;
@ -283,7 +301,11 @@ int DivPlatformArcade::dispatch(DivCommand c) {
DivInstrument* ins=parent->getIns(chan[c.chan].ins);
chan[c.chan].chVolL=((c.value>>4)==1);
chan[c.chan].chVolR=((c.value&15)==1);
rWrite(chanOffs[c.chan]+0x20,(ins->fm.alg&7)|(ins->fm.fb<<3)|((chan[c.chan].chVolL&1)<<6)|((chan[c.chan].chVolR&1)<<7));
if (isMuted[c.chan]) {
rWrite(chanOffs[c.chan]+0x20,(ins->fm.alg&7)|(ins->fm.fb<<3));
} else {
rWrite(chanOffs[c.chan]+0x20,(ins->fm.alg&7)|(ins->fm.fb<<3)|((chan[c.chan].chVolL&1)<<6)|((chan[c.chan].chVolR&1)<<7));
}
}
break;
}
@ -443,6 +465,9 @@ void DivPlatformArcade::setYMFM(bool use) {
int DivPlatformArcade::init(DivEngine* p, int channels, int sugRate, bool pal) {
parent=p;
for (int i=0; i<13; i++) {
isMuted[i]=false;
}
if (useYMFM) {
rate=447443/8;
fm_ymfm=new ymfm::ym2151(iface);