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Replace divider to shift

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This commit is contained in:
cam900 2023-01-14 11:55:40 +09:00
parent a8e388091a
commit fcc5b6e5eb
7 changed files with 49 additions and 49 deletions
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10
src/engine/platform/ym2203.cpp
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@ -210,12 +210,12 @@ void DivPlatformYM2203::acquire_combo(short** buf, size_t len) {
);
os&=~3;
os=(os*fmVol)/255;
os=(os*fmVol)>>8;
// ymfm part
fm->generate(&fmout);
os+=(((fmout.data[1]+fmout.data[2]+fmout.data[3])>>1)*ssgVol)/255;
os+=(((fmout.data[1]+fmout.data[2]+fmout.data[3])>>1)*ssgVol)>>8;
if (os<-32768) os=-32768;
if (os>32767) os=32767;
@ -256,7 +256,7 @@ void DivPlatformYM2203::acquire_ymfm(short** buf, size_t len) {
fm->generate(&fmout);
os=((fmout.data[0]*fmVol)/255)+((((fmout.data[1]+fmout.data[2]+fmout.data[3])>>1)*ssgVol)/255);
os=((fmout.data[0]*fmVol)>>8)+((((fmout.data[1]+fmout.data[2]+fmout.data[3])>>1)*ssgVol)>>8);
if (os<-32768) os=-32768;
if (os>32767) os=32767;
@ -1043,8 +1043,8 @@ void DivPlatformYM2203::setFlags(const DivConfig& flags) {
CHECK_CUSTOM_CLOCK;
noExtMacros=flags.getBool("noExtMacros",false);
fbAllOps=flags.getBool("fbAllOps",false);
ssgVol=flags.getInt("ssgVol",255);
fmVol=flags.getInt("fmVol",255);
ssgVol=flags.getInt("ssgVol",256);
fmVol=flags.getInt("fmVol",256);
rate=fm->sample_rate(chipClock);
for (int i=0; i<6; i++) {
oscBuf[i]->rate=rate;