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YM2612: fix per-chan osc overflow on ymfm

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This commit is contained in:
tildearrow 2023-02-02 03:16:10 -05:00
parent e6dfeebaee
commit d49850f67f
1 changed files with 5 additions and 2 deletions
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7
src/engine/platform/genesis.cpp
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@ -225,6 +225,9 @@ void DivPlatformGenesis::acquire_ymfm(short** buf, size_t len) {
//OPN2_Write(&fm,0,0); //OPN2_Write(&fm,0,0);
for (int i=0; i<6; i++) { for (int i=0; i<6; i++) {
int chOut=(fme->debug_channel(i)->debug_output(0)+fme->debug_channel(i)->debug_output(1))<<6;
if (chOut<-32768) chOut=-32768;
if (chOut>32767) chOut=32767;
if (i==5) { if (i==5) {
if (fm_ymfm->debug_dac_enable()) { if (fm_ymfm->debug_dac_enable()) {
if (softPCM) { if (softPCM) {
@ -234,10 +237,10 @@ void DivPlatformGenesis::acquire_ymfm(short** buf, size_t len) {
oscBuf[i]->data[oscBuf[i]->needle++]=fm_ymfm->debug_dac_data()<<7; oscBuf[i]->data[oscBuf[i]->needle++]=fm_ymfm->debug_dac_data()<<7;
} }
} else { } else {
oscBuf[i]->data[oscBuf[i]->needle++]=(fme->debug_channel(i)->debug_output(0)+fme->debug_channel(i)->debug_output(1))<<6; oscBuf[i]->data[oscBuf[i]->needle++]=chOut;
} }
} else { } else {
oscBuf[i]->data[oscBuf[i]->needle++]=(fme->debug_channel(i)->debug_output(0)+fme->debug_channel(i)->debug_output(1))<<6; oscBuf[i]->data[oscBuf[i]->needle++]=chOut;
} }
} }