enhanced the debugger exit fix

src/debugger/gui/DebuggerDialog.cxx

@@ -137,6 +137,12 @@ void DebuggerDialog::handleKeyDown(StellaKey key, StellaMod mod, bool repeated)
   Event::Type event = instance().eventHandler().eventForKey(EventMode::kEmulationMode, key, mod);
   switch (event)
   {
+    case Event::ExitMode:
+      // make consistent, exit debugger on key UP
+      if(!repeated)
+        myExitPressed = true;
+      return;
+
     // events which can be handled 1:1
     case Event::ToggleP0Collision:
     case Event::ToggleP0Bit:
@@ -173,12 +179,14 @@ void DebuggerDialog::handleKeyDown(StellaKey key, StellaMod mod, bool repeated)
     case Event::ConsoleRightDiffA:
     case Event::ConsoleRightDiffB:
     case Event::ConsoleRightDiffToggle:
-      instance().eventHandler().handleEvent(event);
+      if(!repeated)
+        instance().eventHandler().handleEvent(event);
       return;
 
     // events which need special handling in debugger
     case Event::TakeSnapshot:
-      instance().debugger().parser().run("savesnap");
+      if(!repeated)
+        instance().debugger().parser().run("savesnap");
       return;
 
     case Event::Rewind1Menu:
@@ -212,6 +220,18 @@ void DebuggerDialog::handleKeyDown(StellaKey key, StellaMod mod, bool repeated)
   Dialog::handleKeyDown(key, mod);
 }
 
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+void DebuggerDialog::handleKeyUp(StellaKey key, StellaMod mod)
+{
+  if(myExitPressed
+     && Event::ExitMode == instance().eventHandler().eventForKey(EventMode::kEmulationMode, key, mod))
+  {
+    myExitPressed = false;
+    instance().debugger().parser().run("run");
+  }
+}
+
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void DebuggerDialog::handleCommand(CommandSender* sender, int cmd,
                                    int data, int id)

src/debugger/gui/DebuggerDialog.hxx

@@ -80,6 +80,7 @@ class DebuggerDialog : public Dialog
     void setPosition() override { positionAt(0); }
     void loadConfig() override;
     void handleKeyDown(StellaKey key, StellaMod mod, bool repeated) override;
+    void handleKeyUp(StellaKey key, StellaMod mod) override;
     void handleCommand(CommandSender* sender, int cmd, int data, int id) override;
 
     void doStep();
@@ -141,7 +142,7 @@ class DebuggerDialog : public Dialog
     unique_ptr<GUI::Font> myLFont;  // used for labels
     unique_ptr<GUI::Font> myNFont;  // used for normal text
     Widget* myFocusedWidget{nullptr};
-
+    bool myExitPressed{false};
 
   private:
     // Following constructors and assignment operators not supported

src/emucore/EventHandler.cxx

@@ -2187,15 +2187,6 @@ bool EventHandler::changeStateByEvent(Event::Type type)
         handled = false;
       break;
 
-    case Event::ExitMode:
-      // special handling for ESC key in debugger
-      if(myState != EventHandlerState::DEBUGGER)
-      {
-        handled = false;
-        break;
-      }
-      [[fallthrough]];
-
     case Event::DebuggerMode:
   #ifdef DEBUGGER_SUPPORT
       if(myState == EventHandlerState::EMULATION || myState == EventHandlerState::PAUSE