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POKEY: optimize ASAP core a lot

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tildearrow 2022-12-22 19:45:08 -05:00
parent 42367a5601
commit 84c4e48fbe
1 changed files with 11 additions and 6 deletions
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17
src/engine/platform/pokey.cpp
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@ -101,7 +101,7 @@ void DivPlatformPOKEY::acquireASAP(short* buf, size_t start, size_t len) {
}
for (size_t h=start; h<start+len; h++) {
if (++oscBufDelay>=14) {
if (++oscBufDelay>=2) {
oscBufDelay=0;
buf[h]=altASAP->sampleAudio(oscBuf);
} else {
@ -448,16 +448,21 @@ void DivPlatformPOKEY::setFlags(const DivConfig& flags) {
chipClock=COLOR_NTSC/2.0;
}
CHECK_CUSTOM_CLOCK;
rate=chipClock;
for (int i=0; i<4; i++) {
oscBuf[i]->rate=rate/14;
}
if (useAltASAP) {
rate=chipClock/7;
for (int i=0; i<4; i++) {
oscBuf[i]->rate=rate/2;
}
if (altASAP) {
delete altASAP;
}
altASAP=new AltASAP::Pokey(chipClock, chipClock);
altASAP=new AltASAP::Pokey(chipClock,rate);
} else {
rate=chipClock;
for (int i=0; i<4; i++) {
oscBuf[i]->rate=rate/14;
}
}
}