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SNES: panning/wavetable fixes

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tildearrow 2022-09-26 03:23:34 -05:00
parent 5f91f0b09c
commit e5b37db55a
2 changed files with 13 additions and 9 deletions
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20
src/engine/platform/snes.cpp
View file

@ -83,7 +83,13 @@ void DivPlatformSNES::acquire(short* bufL, short* bufR, size_t start, size_t len
bufL[h]=out[0];
bufR[h]=out[1];
for (int i=0; i<8; i++) {
oscBuf[i]->data[oscBuf[i]->needle++]=chOut[i*2]+chOut[i*2+1];
int next=chOut[i*2]+chOut[i*2+1];
if (next<-32768) next=-32768;
if (next>32767) next=32767;
next=(next*254)/MAX(1,globalVolL+globalVolR);
if (next<-32768) next=-32768;
if (next>32767) next=32767;
oscBuf[i]->data[oscBuf[i]->needle++]=next;
}
}
}
@ -133,12 +139,10 @@ void DivPlatformSNES::tick(bool sysTick) {
chan[i].freqChanged=true;
}
if (chan[i].std.panL.had) {
int val=chan[i].std.panL.val&0x7f;
chan[i].panL=(val<<1)|(val>>6);
chan[i].panL=chan[i].std.panL.val&0x7f;
}
if (chan[i].std.panR.had) {
int val=chan[i].std.panR.val&0x7f;
chan[i].panR=(val<<1)|(val>>6);
chan[i].panR=chan[i].std.panR.val&0x7f;
}
bool hasInverted=false;
if (chan[i].std.ex1.had) {
@ -362,8 +366,8 @@ int DivPlatformSNES::dispatch(DivCommand c) {
return chan[c.chan].vol;
break;
case DIV_CMD_PANNING:
chan[c.chan].panL=c.value;
chan[c.chan].panR=c.value2;
chan[c.chan].panL=c.value>>1;
chan[c.chan].panR=c.value2>>1;
writeOutVol(c.chan);
break;
case DIV_CMD_PITCH:
@ -509,7 +513,7 @@ void DivPlatformSNES::reset() {
chan[i]=Channel();
chan[i].std.setEngine(parent);
chan[i].ws.setEngine(parent);
chan[i].ws.init(NULL,32,255);
chan[i].ws.init(NULL,32,15);
writeOutVol(i);
chWrite(i,4,i); // source number
}

2
src/engine/platform/snes.h
View file

@ -75,7 +75,7 @@ class DivPlatformSNES: public DivDispatch {
Channel chan[8];
DivDispatchOscBuffer* oscBuf[8];
bool isMuted[8];
signed char globalVolL, globalVolR;
int globalVolL, globalVolR;
unsigned char noiseFreq;
size_t sampleTableBase;
bool writeControl;