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fix emu2413 output being inverted

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tildearrow 2024-04-07 16:48:44 -05:00
parent 3c02cbda11
commit 8f4a19870a
1 changed files with 3 additions and 3 deletions
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6
src/engine/platform/opll.cpp
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@ -102,7 +102,7 @@ void DivPlatformOPLL::acquire_emu(short** buf, size_t len) {
OPLL_writeReg(fm_emu,w.addr,w.val); OPLL_writeReg(fm_emu,w.addr,w.val);
writes.pop(); writes.pop();
} }
os=OPLL_calc(fm_emu); os=-OPLL_calc(fm_emu);
os=os+(os<<1); os=os+(os<<1);
if (os<-32768) os=-32768; if (os<-32768) os=-32768;
if (os>32767) os=32767; if (os>32767) os=32767;
@ -111,9 +111,9 @@ void DivPlatformOPLL::acquire_emu(short** buf, size_t len) {
for (int i=0; i<11; i++) { for (int i=0; i<11; i++) {
if (i>=6 && properDrums) { if (i>=6 && properDrums) {
oscBuf[i]->data[oscBuf[i]->needle++]=fm_emu->ch_out[i+3]<<3; oscBuf[i]->data[oscBuf[i]->needle++]=(-fm_emu->ch_out[i+3])<<3;
} else { } else {
oscBuf[i]->data[oscBuf[i]->needle++]=fm_emu->ch_out[i]<<3; oscBuf[i]->data[oscBuf[i]->needle++]=(-fm_emu->ch_out[i])<<3;
} }
} }
} }