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YM2612: fix a couple DAC chan osc problems 

issue #1168
This commit is contained in:
tildearrow 2023-06-20 00:41:17 -05:00
parent c7da358376
commit 9851f5cc87
1 changed files with 4 additions and 2 deletions
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6
src/engine/platform/genesis.cpp
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@ -122,6 +122,8 @@ void DivPlatformGenesis::processDAC(int iRate) {
urgentWrite(0x2a,(unsigned char)sample+0x80);
chan[5].dacReady=false;
}
} else {
urgentWrite(0x2a,0x80);
}
chan[5].dacPos++;
if (!chan[5].dacDirection && (s->isLoopable() && chan[5].dacPos>=(unsigned int)s->loopEnd)) {
@ -187,7 +189,7 @@ void DivPlatformGenesis::acquire_nuked(short** buf, size_t len) {
oscBuf[5]->data[oscBuf[5]->needle++]=chan[5].dacOutput<<6;
oscBuf[6]->data[oscBuf[6]->needle++]=chan[6].dacOutput<<6;
} else {
oscBuf[i]->data[oscBuf[i]->needle++]=(fm.dacdata^0x100)<<6;
oscBuf[i]->data[oscBuf[i]->needle++]=((fm.dacdata^0x100)-0x100)<<6;
oscBuf[6]->data[oscBuf[6]->needle++]=0;
}
} else {
@ -252,7 +254,7 @@ void DivPlatformGenesis::acquire_ymfm(short** buf, size_t len) {
oscBuf[5]->data[oscBuf[5]->needle++]=chan[5].dacOutput<<6;
oscBuf[6]->data[oscBuf[6]->needle++]=chan[6].dacOutput<<6;
} else {
oscBuf[i]->data[oscBuf[i]->needle++]=(fm_ymfm->debug_dac_data()^0x100)<<6;
oscBuf[i]->data[oscBuf[i]->needle++]=((fm_ymfm->debug_dac_data()^0x100)-0x100)<<6;
oscBuf[6]->data[oscBuf[6]->needle++]=0;
}
} else {