GUI: add a debug window

src/engine/platform/abstract.cpp

@@ -6,6 +6,10 @@ void DivDispatch::acquire(short* bufL, short* bufR, size_t start, size_t len) {
 void DivDispatch::tick() {
 }
 
+void* DivDispatch::getChanState(int chan) {
+  return NULL;
+}
+
 void* DivDispatch::getState() {
   return NULL;
 }

src/engine/platform/amiga.cpp

@@ -205,6 +205,10 @@ void DivPlatformAmiga::forceIns() {
   }
 }
 
+void* DivPlatformAmiga::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformAmiga::reset() {
   for (int i=0; i<4; i++) {
     chan[i]=DivPlatformAmiga::Channel();

src/engine/platform/amiga.h

@@ -45,9 +45,12 @@ class DivPlatformAmiga: public DivDispatch {
   Channel chan[4];
   bool isMuted[4];
 
+  friend void putDispatchChan(void*,int,int);
+
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/arcade.cpp

@@ -548,6 +548,10 @@ void DivPlatformArcade::notifyInsChange(int ins) {
   }
 }
 
+void* DivPlatformArcade::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformArcade::reset() {
   while (!writes.empty()) writes.pop();
   if (useYMFM) {

src/engine/platform/arcade.h

@@ -63,9 +63,12 @@ class DivPlatformArcade: public DivDispatch {
     void acquire_nuked(short* bufL, short* bufR, size_t start, size_t len);
     void acquire_ymfm(short* bufL, short* bufR, size_t start, size_t len);
   
+    friend void putDispatchChan(void*,int,int);
+  
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/ay.cpp

@@ -290,6 +290,10 @@ void DivPlatformAY8910::forceIns() {
   immWrite(0x0d,ayEnvMode);
 }
 
+void* DivPlatformAY8910::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformAY8910::reset() {
   while (!writes.empty()) writes.pop();
   ay->device_reset();

src/engine/platform/ay.h

@@ -49,10 +49,13 @@ class DivPlatformAY8910: public DivDispatch {
     short ayEnvSlide;
     short* ayBuf[3];
     size_t ayBufLen;
+
+    friend void putDispatchChan(void*,int,int);
   
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/ay8930.cpp

@@ -328,6 +328,10 @@ void DivPlatformAY8930::forceIns() {
   }
 }
 
+void* DivPlatformAY8930::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformAY8930::reset() {
   while (!writes.empty()) writes.pop();
   ay->device_reset();

src/engine/platform/ay8930.h

@@ -43,10 +43,13 @@ class DivPlatformAY8930: public DivDispatch {
     short ayEnvSlide[3];
     short* ayBuf[3];
     size_t ayBufLen;
+
+    friend void putDispatchChan(void*,int,int);
   
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/c64.cpp

@@ -327,6 +327,10 @@ void DivPlatformC64::notifyInsDeletion(void* ins) {
   }
 }
 
+void* DivPlatformC64::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformC64::reset() {
   for (int i=0; i<3; i++) {
     chan[i]=DivPlatformC64::Channel();

src/engine/platform/c64.h

@@ -52,10 +52,13 @@ class DivPlatformC64: public DivDispatch {
 
   SID sid;
 
+  friend void putDispatchChan(void*,int,int);
+
   void updateFilter();
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/dummy.cpp

@@ -31,6 +31,10 @@ void DivPlatformDummy::tick() {
   }
 }
 
+void* DivPlatformDummy::getChanState(int ch) {
+  return &chan[ch];
+}
+
 int DivPlatformDummy::dispatch(DivCommand c) {
   switch (c.cmd) {
     case DIV_CMD_NOTE_ON:

src/engine/platform/dummy.h

@@ -15,10 +15,12 @@ class DivPlatformDummy: public DivDispatch {
   Channel chan[128];
   bool isMuted[128];
   unsigned char chans;
+  friend void putDispatchChan(void*,int,int);
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     void muteChannel(int ch, bool mute);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void tick();
     int init(DivEngine* parent, int channels, int sugRate, bool pal);

src/engine/platform/gb.cpp

@@ -301,6 +301,10 @@ void DivPlatformGB::forceIns() {
   updateWave();
 }
 
+void* DivPlatformGB::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformGB::reset() {
   for (int i=0; i<4; i++) {
     chan[i]=DivPlatformGB::Channel();

src/engine/platform/gb.h

@@ -38,9 +38,11 @@ class DivPlatformGB: public DivDispatch {
   GB_gameboy_t* gb;
   unsigned char procMute();
   void updateWave();
+  friend void putDispatchChan(void*,int,int);
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/genesis.cpp

@@ -567,6 +567,10 @@ void DivPlatformGenesis::toggleRegisterDump(bool enable) {
   psg.toggleRegisterDump(enable);
 }
 
+void* DivPlatformGenesis::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformGenesis::reset() {
   while (!writes.empty()) writes.pop();
   OPN2_Reset(&fm);

src/engine/platform/genesis.h

@@ -67,10 +67,13 @@ class DivPlatformGenesis: public DivDispatch {
 
     int octave(int freq);
     int toFreq(int freq);
+
+    friend void putDispatchChan(void*,int,int);
   
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/genesisext.cpp

@@ -296,6 +296,12 @@ void DivPlatformGenesisExt::forceIns() {
   }
 }
 
+void* DivPlatformGenesisExt::getChanState(int ch) {
+  if (ch>=6) return &chan[ch-3];
+  if (ch>=2) return &opChan[ch-2];
+  return &chan[ch];
+}
+
 void DivPlatformGenesisExt::reset() {
   DivPlatformGenesis::reset();
 

src/engine/platform/genesisext.h

@@ -16,8 +16,10 @@ class DivPlatformGenesisExt: public DivPlatformGenesis {
   };
   OpChannel opChan[4];
   bool isOpMuted[4];
+  friend void putDispatchChan(void*,int,int);
   public:
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/nes.cpp

@@ -344,6 +344,10 @@ void DivPlatformNES::forceIns() {
   }
 }
 
+void* DivPlatformNES::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformNES::reset() {
   for (int i=0; i<5; i++) {
     chan[i]=DivPlatformNES::Channel();

src/engine/platform/nes.h

@@ -42,10 +42,12 @@ class DivPlatformNES: public DivDispatch {
   struct NESAPU* nes;
 
   float freqBase;
+  friend void putDispatchChan(void*,int,int);
 
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/pce.cpp

@@ -340,6 +340,10 @@ void DivPlatformPCE::forceIns() {
   }
 }
 
+void* DivPlatformPCE::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformPCE::reset() {
   while (!writes.empty()) writes.pop();
   for (int i=0; i<6; i++) {

src/engine/platform/pce.h

@@ -56,9 +56,11 @@ class DivPlatformPCE: public DivDispatch {
   unsigned char sampleBank;
   PCE_PSG* pce;
   void updateWave(int ch);
+  friend void putDispatchChan(void*,int,int);
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/saa.cpp

@@ -255,6 +255,10 @@ void DivPlatformSAA1099::forceIns() {
   rWrite(0x16,saaNoise[0]|(saaNoise[1]<<4));
 }
 
+void* DivPlatformSAA1099::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformSAA1099::reset() {
   while (!writes.empty()) writes.pop();
   saa=saa1099_device();

src/engine/platform/saa.h

@@ -47,10 +47,12 @@ class DivPlatformSAA1099: public DivDispatch {
     size_t saaBufLen;
     unsigned char saaEnv[2];
     unsigned char saaNoise[2];
+    friend void putDispatchChan(void*,int,int);
   
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/sms.cpp

@@ -187,6 +187,10 @@ void DivPlatformSMS::forceIns() {
   }
 }
 
+void* DivPlatformSMS::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformSMS::reset() {
   for (int i=0; i<4; i++) {
     chan[i]=DivPlatformSMS::Channel();

src/engine/platform/sms.h

@@ -31,10 +31,12 @@ class DivPlatformSMS: public DivDispatch {
   unsigned char snNoiseMode;
   bool updateSNMode;
   sn76496_device* sn;
+  friend void putDispatchChan(void*,int,int);
   public:
     int acquireOne();
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/tia.cpp

@@ -228,6 +228,10 @@ void DivPlatformTIA::forceIns() {
   }
 }
 
+void* DivPlatformTIA::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformTIA::reset() {
   tia.reset();
   for (int i=0; i<2; i++) {

src/engine/platform/tia.h

@@ -19,10 +19,12 @@ class DivPlatformTIA: public DivDispatch {
     Channel chan[2];
     bool isMuted[2];
     TIASound tia;
+    friend void putDispatchChan(void*,int,int);
   
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/ym2610.cpp

@@ -570,6 +570,10 @@ void DivPlatformYM2610::forceIns() {
   immWrite(0x0d,ayEnvMode);
 }
 
+void* DivPlatformYM2610::getChanState(int ch) {
+  return &chan[ch];
+}
+
 void DivPlatformYM2610::reset() {
   while (!writes.empty()) writes.pop();
   if (dumpWrites) {

src/engine/platform/ym2610.h

@@ -63,10 +63,12 @@ class DivPlatformYM2610: public DivDispatch {
 
     int octave(int freq);
     int toFreq(int freq);
+    friend void putDispatchChan(void*,int,int);
   
   public:
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();

src/engine/platform/ym2610ext.cpp

@@ -268,6 +268,13 @@ void DivPlatformYM2610Ext::forceIns() {
   }
 }
 
+
+void* DivPlatformYM2610Ext::getChanState(int ch) {
+  if (ch>=5) return &chan[ch-3];
+  if (ch>=1) return &opChan[ch-1];
+  return &chan[ch];
+}
+
 void DivPlatformYM2610Ext::reset() {
   DivPlatformYM2610::reset();
 

src/engine/platform/ym2610ext.h

@@ -16,8 +16,10 @@ class DivPlatformYM2610Ext: public DivPlatformYM2610 {
   };
   OpChannel opChan[4];
   bool isOpMuted[4];
+  friend void putDispatchChan(void*,int,int);
   public:
     int dispatch(DivCommand c);
+    void* getChanState(int chan);
     void reset();
     void forceIns();
     void tick();