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QuadTone: Fix per-chan osc rates

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This commit is contained in:
Natt Akuma 2024-02-03 06:34:58 +07:00
parent 1200e76469
commit d3e53772fc
1 changed files with 9 additions and 10 deletions
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19
src/engine/platform/zxbeeperquadtone.cpp
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@ -50,13 +50,13 @@ void DivPlatformZXBeeperQuadTone::acquire(short** buf, size_t len) {
}
if (sampleActive) {
buf[0][h]=chan[4].out?32767:0;
if ((outputClock&3)==0) {
if (outputClock==0) {
oscBuf[0]->data[oscBuf[0]->needle++]=0;
oscBuf[1]->data[oscBuf[1]->needle++]=0;
oscBuf[2]->data[oscBuf[2]->needle++]=0;
oscBuf[3]->data[oscBuf[3]->needle++]=0;
oscBuf[4]->data[oscBuf[4]->needle++]=buf[0][h];
}
oscBuf[4]->data[oscBuf[4]->needle++]=buf[0][h];
} else {
int ch=outputClock/2;
int b=ch*4;
@ -65,18 +65,15 @@ void DivPlatformZXBeeperQuadTone::acquire(short** buf, size_t len) {
short oscOut;
chan[ch].sPosition+=(regPool[1+b]<<8)|regPool[0+b];
chan[ch].out=regPool[3+b]+((((chan[ch].sPosition>>8)&0xff)<regPool[2+b])?1:0);
if ((chan[ch].out&0x18)==0x18) {
oscOut=32767;
} else if ((chan[ch].out&0x18)==0) {
if (isMuted[ch] || ((chan[ch].out&0x18)==0)) {
oscOut=0;
} else if ((chan[ch].out&0x18)==0x18) {
oscOut=32767;
} else {
oscOut=16383;
}
oscBuf[ch]->data[oscBuf[ch]->needle++]=oscOut;
}
if ((outputClock&3)==0) {
oscBuf[4]->data[oscBuf[4]->needle++]=0;
}
if (!isMuted[ch]) o=chan[ch].out&0x10;
if (noHiss) {
deHisser[outputClock]=o;
@ -88,6 +85,7 @@ void DivPlatformZXBeeperQuadTone::acquire(short** buf, size_t len) {
buf[0][h]=o?32767:0;
}
chan[ch].out<<=1;
oscBuf[4]->data[oscBuf[4]->needle++]=0;
}
outputClock=(outputClock+1)&7;
}
@ -387,9 +385,10 @@ void DivPlatformZXBeeperQuadTone::setFlags(const DivConfig& flags) {
CHECK_CUSTOM_CLOCK;
rate=chipClock/40;
noHiss=flags.getBool("noHiss",false);
for (int i=0; i<5; i++) {
oscBuf[i]->rate=rate/4;
for (int i=0; i<4; i++) {
oscBuf[i]->rate=rate/8;
}
oscBuf[4]->rate=rate;
}
void DivPlatformZXBeeperQuadTone::poke(unsigned int addr, unsigned short val) {