debugger start displays labels where possible

prevent repeated trap interrupts
some old code cleanup

src/debugger/Debugger.cxx

@@ -168,7 +168,7 @@ FBInitStatus Debugger::initializeVideo()
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-bool Debugger::start(const string& message, int address)
+bool Debugger::start(const string& message, int address, bool read)
 {
   if(myOSystem.eventHandler().enterDebugMode())
   {
@@ -177,8 +177,7 @@ bool Debugger::start(const string& message, int address)
     ostringstream buf;
     buf << message;
     if(address > -1)
-      buf << Common::Base::HEX4 << address;
-
+      buf << cartDebug().getLabel(address, read);      
     myDialog->message().setText(buf.str());
     return true;
   }
@@ -368,27 +367,6 @@ bool Debugger::breakPoint(uInt16 bp)
   return breakPoints().isSet(bp);
 }
 
-/*// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void Debugger::toggleReadTrap(uInt16 t)
-{
-  readTraps().initialize();
-  readTraps().toggle(t);
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void Debugger::toggleWriteTrap(uInt16 t)
-{
-  writeTraps().initialize();
-  writeTraps().toggle(t);
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void Debugger::toggleTrap(uInt16 t)
-{
-  toggleReadTrap(t);
-  toggleWriteTrap(t);
-}*/
-
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void Debugger::addReadTrap(uInt16 t)
 {

src/debugger/Debugger.hxx

@@ -88,7 +88,7 @@ class Debugger : public DialogContainer
       @param message  Message to display when entering debugger
       @param address  An address associated with the message
     */
-    bool start(const string& message = "", int address = -1);
+    bool start(const string& message = "", int address = -1, bool read = true);
     bool startWithFatalError(const string& message = "");
 
     /**
@@ -147,8 +147,6 @@ class Debugger : public DialogContainer
     PackedBitArray& breakPoints() const { return mySystem.m6502().breakPoints(); }
     TrapArray& readTraps() const        { return mySystem.m6502().readTraps();   }
     TrapArray& writeTraps() const       { return mySystem.m6502().writeTraps();  }
-    /*PackedBitArray& readTrapIfs() const { return mySystem.m6502().readTrapIfs(); }
-    PackedBitArray& writeTrapIfs() const { return mySystem.m6502().writeTrapIfs(); }*/
 
     /**
       Run the debugger command and return the result.
@@ -259,9 +257,6 @@ class Debugger : public DialogContainer
     void toggleBreakPoint(uInt16 bp);
 
     bool breakPoint(uInt16 bp);
-    /*void toggleReadTrap(uInt16 t);
-    void toggleWriteTrap(uInt16 t);
-    void toggleTrap(uInt16 t);*/
     void addReadTrap(uInt16 t);
     void addWriteTrap(uInt16 t);
     void addTrap(uInt16 t);

src/debugger/DebuggerParser.cxx

@@ -586,6 +586,7 @@ bool DebuggerParser::saveScriptFile(string file)
     if(debugger.breakPoint(i))
       out << "break #" << i << endl;
 
+  // TODO: new trapif
   for(uInt32 i = 0; i < 0x10000; ++i)
   {
     bool r = debugger.readTrap(i); 

src/emucore/M6502.cxx

@@ -55,6 +55,8 @@ M6502::M6502(const Settings& settings)
     myLastAddress(0),
     myLastPeekAddress(0),
     myLastPokeAddress(0),
+    myLastPeekBaseAddress(0),
+    myLastPokeBaseAddress(0),
     myLastSrcAddressS(-1),
     myLastSrcAddressA(-1),
     myLastSrcAddressX(-1),
@@ -65,7 +67,7 @@ M6502::M6502(const Settings& settings)
 {
 #ifdef DEBUGGER_SUPPORT
   myDebugger = nullptr;
-  myJustHitTrapFlag = false;
+  myJustHitReadTrapFlag = myJustHitWriteTrapFlag = false;
 #endif
 }
 
@@ -98,7 +100,7 @@ void M6502::reset()
   // Load PC from the reset vector
   PC = uInt16(mySystem->peek(0xfffc)) | (uInt16(mySystem->peek(0xfffd)) << 8);
 
-  myLastAddress = myLastPeekAddress = myLastPokeAddress = 0;
+  myLastAddress = myLastPeekAddress = myLastPokeAddress = myLastPeekBaseAddress = myLastPokeBaseAddress;
   myLastSrcAddressS = myLastSrcAddressA =
     myLastSrcAddressX = myLastSrcAddressY = -1;
   myDataAddressForPoke = 0;
@@ -130,9 +132,8 @@ inline uInt8 M6502::peek(uInt16 address, uInt8 flags)
     int cond = evalCondTraps();
     if(cond > -1)
     {
-      myJustHitTrapFlag = true;
-      myHitTrapInfo.message = "RTrap: ";
-      //myHitTrapInfo.message = "RTrapIf (" + myTrapCondNames[cond] + "): ";
+      myJustHitReadTrapFlag = true;      
+      myHitTrapInfo.message = "RTrap(" + myTrapCondNames[cond] + "): ";
       myHitTrapInfo.address = address;
     }
   }
@@ -163,9 +164,8 @@ inline void M6502::poke(uInt16 address, uInt8 value, uInt8 flags)
     int cond = evalCondTraps();
     if(cond > -1)
     {
-      myJustHitTrapFlag = true;
-      myHitTrapInfo.message = "WTrap: ";
-      //myHitTrapInfo.message = "WTrapIf (" + myTrapCondNames[cond] + "): ";
+      myJustHitWriteTrapFlag = true;
+      myHitTrapInfo.message = "WTrap(" + myTrapCondNames[cond] + "): ";
       myHitTrapInfo.address = address;
     }
   }
@@ -200,11 +200,11 @@ bool M6502::execute(uInt32 number)
     for(; !myExecutionStatus && (number != 0); --number)
     {
 #ifdef DEBUGGER_SUPPORT
-      if(myJustHitTrapFlag)
+      if(myJustHitReadTrapFlag || myJustHitWriteTrapFlag)
       {
-        if(myDebugger && myDebugger->start(myHitTrapInfo.message, myHitTrapInfo.address))
+        myJustHitReadTrapFlag = myJustHitWriteTrapFlag = false;
+        if(myDebugger && myDebugger->start(myHitTrapInfo.message, myHitTrapInfo.address, myJustHitReadTrapFlag))
         {          
-          myJustHitTrapFlag = false;
           return true;
         }
       }

src/emucore/M6502.hxx

@@ -405,7 +405,8 @@ class M6502 : public Serializable
     TrapArray myReadTraps, myWriteTraps;
 
     // Did we just now hit a trap?
-    bool myJustHitTrapFlag;
+    bool myJustHitReadTrapFlag;
+    bool myJustHitWriteTrapFlag;
     struct HitTrapInfo {
       string message;
       int address;