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OPL: quad output

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now that we have this new dispatch output method
This commit is contained in:
tildearrow 2023-01-04 18:30:29 -05:00
parent 6c834524aa
commit fd9b1dd0f5
3 changed files with 118 additions and 33 deletions
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35
src/engine/platform/opl.cpp
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@ -160,12 +160,12 @@ const int orderedOpsL[4]={
#define ADDR_LR_FB_ALG 0xc0
void DivPlatformOPL::acquire_nuked(short** buf, size_t len) {
static short o[2];
static int os[2];
static short o[4];
static int os[4];
static ymfm::ymfm_output<2> aOut;
for (size_t h=0; h<len; h++) {
os[0]=0; os[1]=0;
os[0]=0; os[1]=0; os[2]=0; os[3]=0;
if (!writes.empty() && --delay<0) {
delay=1;
QueuedWrite& w=writes.front();
@ -194,11 +194,14 @@ void DivPlatformOPL::acquire_nuked(short** buf, size_t len) {
}
if (downsample) {
OPL3_GenerateResampled(&fm,o);
OPL3_Generate4ChResampled(&fm,o);
} else {
OPL3_Generate(&fm,o);
OPL3_Generate4Ch(&fm,o);
}
os[0]+=o[0]; os[1]+=o[1];
os[0]+=o[0];
os[1]+=o[1];
os[2]+=o[2];
os[3]+=o[3];
if (adpcmChan>=0) {
adpcmB->clock();
@ -225,6 +228,12 @@ void DivPlatformOPL::acquire_nuked(short** buf, size_t len) {
if (fm.channel[i].out[1]!=NULL) {
oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[1];
}
if (fm.channel[i].out[2]!=NULL) {
oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[2];
}
if (fm.channel[i].out[3]!=NULL) {
oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[3];
}
oscBuf[i]->data[oscBuf[i]->needle]<<=1;
oscBuf[i]->needle++;
}
@ -244,6 +253,12 @@ void DivPlatformOPL::acquire_nuked(short** buf, size_t len) {
if (fm.channel[i].out[1]!=NULL) {
oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[1];
}
if (fm.channel[i].out[2]!=NULL) {
oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[2];
}
if (fm.channel[i].out[3]!=NULL) {
oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[3];
}
oscBuf[i]->data[oscBuf[i]->needle]<<=1;
oscBuf[i]->needle++;
}
@ -254,10 +269,18 @@ void DivPlatformOPL::acquire_nuked(short** buf, size_t len) {
if (os[1]<-32768) os[1]=-32768;
if (os[1]>32767) os[1]=32767;
if (os[2]<-32768) os[2]=-32768;
if (os[2]>32767) os[2]=32767;
if (os[3]<-32768) os[3]=-32768;
if (os[3]>32767) os[3]=32767;
buf[0][h]=os[0];
if (oplType==3 || oplType==759) {
buf[1][h]=os[1];
buf[2][h]=os[2];
buf[3][h]=os[3];
}
}
}