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per-channel oscilloscope, part 4

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OPM, OPN2, OPLL and SN
plus hide unimplemented channels
This commit is contained in:
tildearrow 2022-04-30 22:59:26 -05:00
parent ddcd486c61
commit e1fd16637c
15 changed files with 143 additions and 24 deletions
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38
src/engine/platform/opl.cpp
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@ -52,6 +52,10 @@ const unsigned short chanMapOPL2Drums[20]={
0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 7, N, N, N, N, N, N, N, N, N
};
const unsigned char outChanMapOPL2[18]={
0, 1, 2, 3, 4, 5, 6, 7, 8, N, N, N, N, N, N, N, N, N
};
const unsigned char* slotsOPL2[4]={
slotsOPL2i[0],
slotsOPL2i[1],
@ -88,6 +92,10 @@ const unsigned short chanMapOPL3Drums[20]={
0, 3, 1, 4, 2, 5, 0x100, 0x103, 0x101, 0x104, 0x102, 0x105, 0x106, 0x107, 0x108, 6, 7, 8, 8, 7
};
const unsigned char outChanMapOPL3[18]={
0, 3, 1, 4, 2, 5, 9, 12, 10, 13, 11, 14, 15, 16, 17, 6, 7, 8
};
const unsigned char* slotsOPL3[4]={
slotsOPL3i[0],
slotsOPL3i[1],
@ -208,6 +216,20 @@ void DivPlatformOPL::acquire_nuked(short* bufL, short* bufR, size_t start, size_
}
OPL3_Generate(&fm,o); os[0]+=o[0]; os[1]+=o[1];
for (int i=0; i<chans; i++) {
unsigned char ch=outChanMap[i];
if (ch==255) continue;
oscBuf[i]->data[oscBuf[i]->needle]=0;
if (fm.channel[i].out[0]!=NULL) {
oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[0];
}
if (fm.channel[i].out[1]!=NULL) {
oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[1];
}
oscBuf[i]->data[oscBuf[i]->needle]<<=1;
oscBuf[i]->needle++;
}
if (os[0]<-32768) os[0]=-32768;
if (os[0]>32767) os[0]=32767;
@ -917,6 +939,10 @@ void* DivPlatformOPL::getChanState(int ch) {
return &chan[ch];
}
DivDispatchOscBuffer* DivPlatformOPL::getOscBuffer(int ch) {
return oscBuf[ch];
}
unsigned char* DivPlatformOPL::getRegisterPool() {
return regPool;
}
@ -1034,6 +1060,7 @@ void DivPlatformOPL::setOPLType(int type, bool drums) {
slotsDrums=slotsOPL2Drums;
slots=drums?slotsDrums:slotsNonDrums;
chanMap=drums?chanMapOPL2Drums:chanMapOPL2;
outChanMap=outChanMapOPL2;
chipFreqBase=9440540*0.25;
chans=9;
melodicChans=drums?6:9;
@ -1044,6 +1071,7 @@ void DivPlatformOPL::setOPLType(int type, bool drums) {
slotsDrums=slotsOPL3Drums;
slots=drums?slotsDrums:slotsNonDrums;
chanMap=drums?chanMapOPL3Drums:chanMapOPL3;
outChanMap=outChanMapOPL3;
chipFreqBase=9440540;
chans=18;
melodicChans=drums?15:18;
@ -1096,6 +1124,10 @@ void DivPlatformOPL::setFlags(unsigned int flags) {
rate=48000;
chipClock=rate*288;
}
for (int i=0; i<18; i++) {
oscBuf[i]->rate=rate;
}
}
int DivPlatformOPL::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
@ -1105,6 +1137,9 @@ int DivPlatformOPL::init(DivEngine* p, int channels, int sugRate, unsigned int f
for (int i=0; i<20; i++) {
isMuted[i]=false;
}
for (int i=0; i<18; i++) {
oscBuf[i]=new DivDispatchOscBuffer;
}
setFlags(flags);
reset();
@ -1112,6 +1147,9 @@ int DivPlatformOPL::init(DivEngine* p, int channels, int sugRate, unsigned int f
}
void DivPlatformOPL::quit() {
for (int i=0; i<18; i++) {
delete oscBuf[i];
}
}
DivPlatformOPL::~DivPlatformOPL() {