add notifyInsChange

see issue #8

src/engine/dispatch.h

@@ -215,6 +215,11 @@ class DivDispatch {
      */
     void setSkipRegisterWrites(bool value);
 
+    /**
+     * notify instrument change.
+     */
+    virtual void notifyInsChange(int ins);
+
     /**
      * notify deletion of an instrument.
      */

src/engine/engine.cpp

@@ -2206,6 +2206,14 @@ bool DivEngine::haltAudioFile() {
   return true;
 }
 
+void DivEngine::notifyInsChange(int ins) {
+  isBusy.lock();
+  for (int i=0; i<song.systemLen; i++) {
+    disCont[i].dispatch->notifyInsChange(ins);
+  }
+  isBusy.unlock();
+}
+
 #ifdef _WIN32
 #define CONFIG_FILE "\\furnace.cfg"
 #else

src/engine/engine.h

@@ -219,6 +219,8 @@ class DivEngine {
     void waitAudioFile();
     // stop audio file export
     bool haltAudioFile();
+    // notify instrument parameter change
+    void notifyInsChange(int ins);
 
     // save config
     bool saveConf();

src/engine/platform/abstract.cpp

@@ -46,6 +46,10 @@ void DivDispatch::setSkipRegisterWrites(bool value) {
   skipRegisterWrites=value;
 }
 
+void DivDispatch::notifyInsChange(int ins) {
+
+}
+
 void DivDispatch::notifyInsDeletion(void* ins) {
 
 }

src/engine/platform/amiga.cpp

@@ -211,6 +211,14 @@ bool DivPlatformAmiga::keyOffAffectsArp(int ch) {
   return true;
 }
 
+void DivPlatformAmiga::notifyInsChange(int ins) {
+  for (int i=0; i<4; i++) {
+    if (chan[i].ins==ins) {
+      chan[i].insChanged=true;
+    }
+  }
+}
+
 void DivPlatformAmiga::notifyInsDeletion(void* ins) {
   for (int i=0; i<4; i++) {
     chan[i].std.notifyInsDeletion((DivInstrument*)ins);

src/engine/platform/amiga.h

@@ -54,6 +54,7 @@ class DivPlatformAmiga: public DivDispatch {
     bool isStereo();
     bool keyOffAffectsArp(int ch);
     void setPAL(bool pal);
+    void notifyInsChange(int ins);
     void notifyInsDeletion(void* ins);
     int init(DivEngine* parent, int channels, int sugRate, bool pal);
     void quit();

src/engine/platform/arcade.cpp

@@ -430,6 +430,14 @@ void DivPlatformArcade::forceIns() {
   }
 }
 
+void DivPlatformArcade::notifyInsChange(int ins) {
+  for (int i=0; i<8; i++) {
+    if (chan[i].ins==ins) {
+      chan[i].insChanged=true;
+    }
+  }
+}
+
 void DivPlatformArcade::reset() {
   while (!writes.empty()) writes.pop();
   if (useYMFM) {

src/engine/platform/arcade.h

@@ -67,6 +67,7 @@ class DivPlatformArcade: public DivDispatch {
     void forceIns();
     void tick();
     void muteChannel(int ch, bool mute);
+    void notifyInsChange(int ins);
     bool isStereo();
     void setYMFM(bool use);
     int init(DivEngine* parent, int channels, int sugRate, bool pal);

src/engine/platform/c64.cpp

@@ -311,6 +311,14 @@ void DivPlatformC64::forceIns() {
   updateFilter();
 }
 
+void DivPlatformC64::notifyInsChange(int ins) {
+  for (int i=0; i<3; i++) {
+    if (chan[i].ins==ins) {
+      chan[i].insChanged=true;
+    }
+  }
+}
+
 void DivPlatformC64::notifyInsDeletion(void* ins) {
   for (int i=0; i<3; i++) {
     chan[i].std.notifyInsDeletion((DivInstrument*)ins);

src/engine/platform/c64.h

@@ -61,6 +61,7 @@ class DivPlatformC64: public DivDispatch {
     void tick();
     void muteChannel(int ch, bool mute);
     void setPAL(bool pal);
+    void notifyInsChange(int ins);
     void notifyInsDeletion(void* ins);
     int init(DivEngine* parent, int channels, int sugRate, bool pal);
     void setChipModel(bool is6581);

src/engine/platform/gb.cpp

@@ -316,6 +316,14 @@ bool DivPlatformGB::isStereo() {
   return true;
 }
 
+void DivPlatformGB::notifyInsChange(int ins) {
+  for (int i=0; i<4; i++) {
+    if (chan[i].ins==ins) {
+      chan[i].insChanged=true;
+    }
+  }
+}
+
 void DivPlatformGB::notifyInsDeletion(void* ins) {
   for (int i=0; i<4; i++) {
     chan[i].std.notifyInsDeletion((DivInstrument*)ins);

src/engine/platform/gb.h

@@ -45,6 +45,7 @@ class DivPlatformGB: public DivDispatch {
     void tick();
     void muteChannel(int ch, bool mute);
     bool isStereo();
+    void notifyInsChange(int ins);
     void notifyInsDeletion(void* ins);
     int init(DivEngine* parent, int channels, int sugRate, bool pal);
     void quit();

src/engine/platform/genesis.cpp

@@ -423,6 +423,16 @@ bool DivPlatformGenesis::keyOffAffectsPorta(int ch) {
   return (ch>5);
 }
 
+void DivPlatformGenesis::notifyInsChange(int ins) {
+  for (int i=0; i<10; i++) {
+    if (i>5) {
+      psg.notifyInsChange(ins);
+    } else if (chan[i].ins==ins) {
+      chan[i].insChanged=true;
+    }
+  }
+}
+
 void DivPlatformGenesis::notifyInsDeletion(void* ins) {
   psg.notifyInsDeletion(ins);
 }

src/engine/platform/genesis.h

@@ -60,6 +60,7 @@ class DivPlatformGenesis: public DivDispatch {
     bool keyOffAffectsArp(int ch);
     bool keyOffAffectsPorta(int ch);
     void setPAL(bool pal);
+    void notifyInsChange(int ins);
     void notifyInsDeletion(void* ins);
     int init(DivEngine* parent, int channels, int sugRate, bool pal);
     void quit();

src/engine/platform/genesisext.cpp

@@ -310,6 +310,15 @@ bool DivPlatformGenesisExt::keyOffAffectsPorta(int ch) {
   return (ch>8);
 }
 
+void DivPlatformGenesisExt::notifyInsChange(int ins) {
+  DivPlatformGenesis::notifyInsChange(ins);
+  for (int i=0; i<4; i++) {
+    if (opChan[i].ins==ins) {
+      opChan[i].insChanged=true;
+    }
+  }
+}
+
 int DivPlatformGenesisExt::init(DivEngine* parent, int channels, int sugRate, bool pal) {
   DivPlatformGenesis::init(parent,channels,sugRate,pal);
   for (int i=0; i<4; i++) {

src/engine/platform/genesisext.h

@@ -23,6 +23,7 @@ class DivPlatformGenesisExt: public DivPlatformGenesis {
     void muteChannel(int ch, bool mute);
     bool keyOffAffectsArp(int ch);
     bool keyOffAffectsPorta(int ch);
+    void notifyInsChange(int ins);
     int init(DivEngine* parent, int channels, int sugRate, bool pal);
     void quit();
     ~DivPlatformGenesisExt();

src/engine/platform/ym2610.cpp

@@ -592,6 +592,14 @@ bool DivPlatformYM2610::keyOffAffectsArp(int ch) {
   return (ch>3);
 }
 
+void DivPlatformYM2610::notifyInsChange(int ins) {
+  for (int i=0; i<13; i++) {
+    if (chan[i].ins==ins) {
+      chan[i].insChanged=true;
+    }
+  }
+}
+
 void DivPlatformYM2610::notifyInsDeletion(void* ins) {
   for (int i=4; i<7; i++) {
     chan[i].std.notifyInsDeletion((DivInstrument*)ins);

src/engine/platform/ym2610.h

@@ -71,6 +71,7 @@ class DivPlatformYM2610: public DivDispatch {
     void muteChannel(int ch, bool mute);
     bool isStereo();
     bool keyOffAffectsArp(int ch);
+    void notifyInsChange(int ins);
     void notifyInsDeletion(void* ins);
     int init(DivEngine* parent, int channels, int sugRate, bool pal);
     void quit();

src/engine/platform/ym2610ext.cpp

@@ -285,6 +285,15 @@ bool DivPlatformYM2610Ext::keyOffAffectsArp(int ch) {
   return (ch>7);
 }
 
+void DivPlatformYM2610Ext::notifyInsChange(int ins) {
+  DivPlatformYM2610::notifyInsChange(ins);
+  for (int i=0; i<4; i++) {
+    if (opChan[i].ins==ins) {
+      opChan[i].insChanged=true;
+    }
+  }
+}
+
 int DivPlatformYM2610Ext::init(DivEngine* parent, int channels, int sugRate, bool pal) {
   DivPlatformYM2610::init(parent,channels,sugRate,pal);
   for (int i=0; i<4; i++) {

src/engine/platform/ym2610ext.h

@@ -22,6 +22,7 @@ class DivPlatformYM2610Ext: public DivPlatformYM2610 {
     void tick();
     void muteChannel(int ch, bool mute);
     bool keyOffAffectsArp(int ch);
+    void notifyInsChange(int ins);
     int init(DivEngine* parent, int channels, int sugRate, bool pal);
     void quit();
     ~DivPlatformYM2610Ext();