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per-channel oscilloscope, part 5

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SAA1099 (SAASound and MAME), Lynx, MMC5, N163, PC Engine, PC Speaker,
PET, QSound, WonderSwan, VERA, VIC-20, VRC6 and X1-010!
This commit is contained in:
tildearrow 2022-05-01 02:40:03 -05:00
parent dadfd7efee
commit c0e9b48b5b
47 changed files with 345 additions and 38 deletions
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21
src/engine/platform/vera.cpp
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@ -111,12 +111,20 @@ void DivPlatformVERA::acquire(short* bufL, short* bufR, size_t start, size_t len
}
int curLen=MIN(len,128);
memset(buf,0,sizeof(buf));
psg_render(psg,buf[0],buf[1],curLen);
pcm_render(pcm,buf[2],buf[3],curLen);
for (int i=0; i<curLen; i++) {
psg_render(psg,&buf[0][i],&buf[1][i],1);
bufL[pos]=(short)(((int)buf[0][i]+buf[2][i])/2);
bufR[pos]=(short)(((int)buf[1][i]+buf[3][i])/2);
pos++;
for (int i=0; i<16; i++) {
oscBuf[i]->data[oscBuf[i]->needle++]=psg->channels[i].lastOut<<4;
}
int pcmOut=buf[2][i]+buf[3][i];
if (pcmOut<-32768) pcmOut=-32768;
if (pcmOut>32767) pcmOut=32767;
oscBuf[16]->data[oscBuf[16]->needle++]=pcmOut;
}
len-=curLen;
}
@ -373,6 +381,10 @@ void* DivPlatformVERA::getChanState(int ch) {
return &chan[ch];
}
DivDispatchOscBuffer* DivPlatformVERA::getOscBuffer(int ch) {
return oscBuf[ch];
}
unsigned char* DivPlatformVERA::getRegisterPool() {
return regPool;
}
@ -426,6 +438,7 @@ void DivPlatformVERA::poke(std::vector<DivRegWrite>& wlist) {
int DivPlatformVERA::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
for (int i=0; i<17; i++) {
isMuted[i]=false;
oscBuf[i]=new DivDispatchOscBuffer;
}
parent=p;
psg=new struct VERA_PSG;
@ -434,11 +447,17 @@ int DivPlatformVERA::init(DivEngine* p, int channels, int sugRate, unsigned int
skipRegisterWrites=false;
chipClock=25000000;
rate=chipClock/512;
for (int i=0; i<17; i++) {
oscBuf[i]->rate=rate;
}
reset();
return 17;
}
void DivPlatformVERA::quit() {
for (int i=0; i<17; i++) {
delete oscBuf[i];
}
delete psg;
delete pcm;
}