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per-channel oscilloscope, part 2

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AY8930, K00, C64 and NES
This commit is contained in:
tildearrow 2022-04-30 14:36:12 -05:00
parent b3b747a67a
commit c738ece374
10 changed files with 102 additions and 5 deletions
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20
src/engine/platform/ay8930.cpp
View file

@ -149,6 +149,12 @@ void DivPlatformAY8930::acquire(short* bufL, short* bufR, size_t start, size_t l
bufR[i+start]=bufL[i+start];
}
}
for (int ch=0; ch<3; ch++) {
for (size_t i=0; i<len; i++) {
oscBuf[ch]->data[oscBuf[ch]->needle++]=ayBuf[ch][i];
}
}
}
void DivPlatformAY8930::updateOutSel(bool immediate) {
@ -523,6 +529,10 @@ void* DivPlatformAY8930::getChanState(int ch) {
return &chan[ch];
}
DivDispatchOscBuffer* DivPlatformAY8930::getOscBuffer(int ch) {
return oscBuf[ch];
}
unsigned char* DivPlatformAY8930::getRegisterPool() {
return regPool;
}
@ -629,6 +639,10 @@ void DivPlatformAY8930::setFlags(unsigned int flags) {
break;
}
rate=chipClock/8;
for (int i=0; i<3; i++) {
oscBuf[i]->rate=rate;
}
stereo=flags>>6;
}
@ -638,6 +652,7 @@ int DivPlatformAY8930::init(DivEngine* p, int channels, int sugRate, unsigned in
skipRegisterWrites=false;
for (int i=0; i<3; i++) {
isMuted[i]=false;
oscBuf[i]=new DivDispatchOscBuffer;
}
setFlags(flags);
ay=new ay8930_device(rate);
@ -649,6 +664,9 @@ int DivPlatformAY8930::init(DivEngine* p, int channels, int sugRate, unsigned in
}
void DivPlatformAY8930::quit() {
for (int i=0; i<3; i++) delete[] ayBuf[i];
for (int i=0; i<3; i++) {
delete oscBuf[i];
delete[] ayBuf[i];
}
delete ay;
}

2
src/engine/platform/ay8930.h
View file

@ -52,6 +52,7 @@ class DivPlatformAY8930: public DivDispatch {
};
std::queue<QueuedWrite> writes;
ay8930_device* ay;
DivDispatchOscBuffer* oscBuf[3];
unsigned char regPool[32];
unsigned char ayNoiseAnd, ayNoiseOr;
bool bank;
@ -79,6 +80,7 @@ class DivPlatformAY8930: public DivDispatch {
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
DivDispatchOscBuffer* getOscBuffer(int chan);
unsigned char* getRegisterPool();
int getRegisterPoolSize();
void reset();

19
src/engine/platform/bubsyswsg.cpp
View file

@ -49,6 +49,7 @@ const char* DivPlatformBubSysWSG::getEffectName(unsigned char effect) {
}
void DivPlatformBubSysWSG::acquire(short* bufL, short* bufR, size_t start, size_t len) {
int chanOut=0;
for (size_t h=start; h<start+len; h++) {
signed int out=0;
// K005289 part
@ -56,8 +57,14 @@ void DivPlatformBubSysWSG::acquire(short* bufL, short* bufR, size_t start, size_
// Wavetable part
for (int i=0; i<2; i++) {
if (isMuted[i]) continue;
out+=chan[i].waveROM[k005289->addr(i)]*(regPool[2+i]&0xf);
if (isMuted[i]) {
oscBuf[i]->data[oscBuf[i]->needle++]=0;
continue;
} else {
chanOut=chan[i].waveROM[k005289->addr(i)]*(regPool[2+i]&0xf);
out+=chanOut;
oscBuf[i]->data[oscBuf[i]->needle++]=chanOut;
}
}
out<<=6; // scale output to 16 bit
@ -267,6 +274,10 @@ void* DivPlatformBubSysWSG::getChanState(int ch) {
return &chan[ch];
}
DivDispatchOscBuffer* DivPlatformBubSysWSG::getOscBuffer(int ch) {
return oscBuf[ch];
}
unsigned char* DivPlatformBubSysWSG::getRegisterPool() {
return (unsigned char*)regPool;
}
@ -335,6 +346,7 @@ int DivPlatformBubSysWSG::init(DivEngine* p, int channels, int sugRate, unsigned
skipRegisterWrites=false;
for (int i=0; i<2; i++) {
isMuted[i]=false;
oscBuf[i]=new DivDispatchOscBuffer;
}
setFlags(flags);
k005289=new k005289_core();
@ -343,6 +355,9 @@ int DivPlatformBubSysWSG::init(DivEngine* p, int channels, int sugRate, unsigned
}
void DivPlatformBubSysWSG::quit() {
for (int i=0; i<2; i++) {
delete oscBuf[i];
}
delete k005289;
}

2
src/engine/platform/bubsyswsg.h
View file

@ -56,6 +56,7 @@ class DivPlatformBubSysWSG: public DivDispatch {
wave(-1) {}
};
Channel chan[2];
DivDispatchOscBuffer* oscBuf[2];
bool isMuted[2];
k005289_core* k005289;
@ -66,6 +67,7 @@ class DivPlatformBubSysWSG: public DivDispatch {
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
DivDispatchOscBuffer* getOscBuffer(int chan);
unsigned char* getRegisterPool();
int getRegisterPoolSize();
int getRegisterPoolDepth();

18
src/engine/platform/c64.cpp
View file

@ -112,6 +112,12 @@ void DivPlatformC64::acquire(short* bufL, short* bufR, size_t start, size_t len)
for (size_t i=start; i<start+len; i++) {
sid.clock();
bufL[i]=sid.output();
if (++writeOscBuf>=8) {
writeOscBuf=0;
oscBuf[0]->data[oscBuf[0]->needle++]=sid.last_chan_out[0];
oscBuf[1]->data[oscBuf[1]->needle++]=sid.last_chan_out[1];
oscBuf[2]->data[oscBuf[2]->needle++]=sid.last_chan_out[2];
}
}
}
@ -485,6 +491,10 @@ void* DivPlatformC64::getChanState(int ch) {
return &chan[ch];
}
DivDispatchOscBuffer* DivPlatformC64::getOscBuffer(int ch) {
return oscBuf[ch];
}
unsigned char* DivPlatformC64::getRegisterPool() {
return regPool;
}
@ -545,14 +555,19 @@ void DivPlatformC64::setFlags(unsigned int flags) {
break;
}
chipClock=rate;
for (int i=0; i<3; i++) {
oscBuf[i]->rate=rate/16;
}
}
int DivPlatformC64::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
parent=p;
dumpWrites=false;
skipRegisterWrites=false;
writeOscBuf=0;
for (int i=0; i<3; i++) {
isMuted[i]=false;
oscBuf[i]=new DivDispatchOscBuffer;
}
setFlags(flags);
@ -562,6 +577,9 @@ int DivPlatformC64::init(DivEngine* p, int channels, int sugRate, unsigned int f
}
void DivPlatformC64::quit() {
for (int i=0; i<3; i++) {
delete oscBuf[i];
}
}
DivPlatformC64::~DivPlatformC64() {

3
src/engine/platform/c64.h
View file

@ -70,9 +70,11 @@ class DivPlatformC64: public DivDispatch {
vol(15) {}
};
Channel chan[3];
DivDispatchOscBuffer* oscBuf[3];
bool isMuted[3];
unsigned char filtControl, filtRes, vol;
unsigned char writeOscBuf;
int filtCut, resetTime;
SID sid;
@ -85,6 +87,7 @@ class DivPlatformC64: public DivDispatch {
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
DivDispatchOscBuffer* getOscBuffer(int chan);
unsigned char* getRegisterPool();
int getRegisterPoolSize();
void reset();

20
src/engine/platform/nes.cpp
View file

@ -115,6 +115,14 @@ void DivPlatformNES::acquire(short* bufL, short* bufR, size_t start, size_t len)
if (sample>32767) sample=32767;
if (sample<-32768) sample=-32768;
bufL[i]=sample;
if (++writeOscBuf>=32) {
writeOscBuf=0;
oscBuf[0]->data[oscBuf[0]->needle++]=nes->S1.output<<7;
oscBuf[1]->data[oscBuf[1]->needle++]=nes->S2.output<<7;
oscBuf[2]->data[oscBuf[2]->needle++]=nes->TR.output<<7;
oscBuf[3]->data[oscBuf[3]->needle++]=nes->NS.output<<7;
oscBuf[4]->data[oscBuf[4]->needle++]=nes->DMC.output<<7;
}
}
}
@ -474,6 +482,10 @@ void* DivPlatformNES::getChanState(int ch) {
return &chan[ch];
}
DivDispatchOscBuffer* DivPlatformNES::getOscBuffer(int ch) {
return oscBuf[ch];
}
unsigned char* DivPlatformNES::getRegisterPool() {
return regPool;
}
@ -533,6 +545,9 @@ void DivPlatformNES::setFlags(unsigned int flags) {
nes->apu.type=apuType;
}
chipClock=rate;
for (int i=0; i<5; i++) {
oscBuf[i]->rate=rate/32;
}
}
void DivPlatformNES::notifyInsDeletion(void* ins) {
@ -555,9 +570,11 @@ int DivPlatformNES::init(DivEngine* p, int channels, int sugRate, unsigned int f
dumpWrites=false;
skipRegisterWrites=false;
nes=new struct NESAPU;
writeOscBuf=0;
for (int i=0; i<5; i++) {
isMuted[i]=false;
nes->muted[i]=false;
oscBuf[i]=new DivDispatchOscBuffer;
}
setFlags(flags);
@ -567,6 +584,9 @@ int DivPlatformNES::init(DivEngine* p, int channels, int sugRate, unsigned int f
}
void DivPlatformNES::quit() {
for (int i=0; i<5; i++) {
delete oscBuf[i];
}
delete nes;
}

3
src/engine/platform/nes.h
View file

@ -57,11 +57,13 @@ class DivPlatformNES: public DivDispatch {
wave(-1) {}
};
Channel chan[5];
DivDispatchOscBuffer* oscBuf[5];
bool isMuted[5];
int dacPeriod, dacRate;
unsigned int dacPos, dacAntiClick;
int dacSample;
unsigned char sampleBank;
unsigned char writeOscBuf;
unsigned char apuType;
bool dacAntiClickOn;
struct NESAPU* nes;
@ -73,6 +75,7 @@ class DivPlatformNES: public DivDispatch {
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
DivDispatchOscBuffer* getOscBuffer(int chan);
unsigned char* getRegisterPool();
int getRegisterPoolSize();
void reset();

18
src/engine/platform/sound/c64/sid.cc
View file

@ -44,6 +44,10 @@ SID::SID()
isMuted[0]=false;
isMuted[1]=false;
isMuted[2]=false;
last_chan_out[0]=0;
last_chan_out[1]=0;
last_chan_out[2]=0;
}
@ -638,8 +642,13 @@ void SID::clock()
voice[i].wave.synchronize();
}
// write voice output
last_chan_out[0]=isMuted[0]?0:voice[0].output();
last_chan_out[1]=isMuted[1]?0:voice[1].output();
last_chan_out[2]=isMuted[2]?0:voice[2].output();
// Clock filter.
filter.clock(isMuted[0]?0:voice[0].output(), isMuted[1]?0:voice[1].output(), isMuted[2]?0:voice[2].output(), ext_in);
filter.clock(last_chan_out[0], last_chan_out[1], last_chan_out[2], ext_in);
// Clock external filter.
extfilt.clock(filter.output());
@ -717,9 +726,14 @@ void SID::clock(cycle_count delta_t)
delta_t_osc -= delta_t_min;
}
// write voice output
last_chan_out[0]=isMuted[0]?0:voice[0].output();
last_chan_out[1]=isMuted[1]?0:voice[1].output();
last_chan_out[2]=isMuted[2]?0:voice[2].output();
// Clock filter.
filter.clock(delta_t,
isMuted[0]?0:voice[0].output(), isMuted[1]?0:voice[1].output(), isMuted[2]?0:voice[2].output(), ext_in);
last_chan_out[0], last_chan_out[1], last_chan_out[2], ext_in);
// Clock external filter.
extfilt.clock(delta_t, filter.output());

2
src/engine/platform/sound/c64/sid.h
View file

@ -32,6 +32,8 @@ public:
SID();
~SID();
sound_sample last_chan_out[3];
void set_is_muted(int ch, bool val);
void set_chip_model(chip_model model);
void enable_filter(bool enable);