Fixed bug/crash with attempting to create a Console if the ROM image

dimensions are larger than the current screen.  In the process, this
restructuring will allow messages to be shown in states other than
emulation mode.


git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1047 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba

stella/src/emucore/Console.cxx

@@ -13,7 +13,7 @@
 // See the file "license" for information on usage and redistribution of
 // this file, and for a DISCLAIMER OF ALL WARRANTIES.
 //
-// $Id: Console.cxx,v 1.84 2006-03-05 01:18:41 stephena Exp $
+// $Id: Console.cxx,v 1.85 2006-03-15 23:14:01 stephena Exp $
 //============================================================================
 
 #include <assert.h>
@@ -87,6 +87,17 @@ Console::Console(const uInt8* image, uInt32 size, const string& md5,
     if(myProperties.get(Display_Height) == "210")
       myProperties.set(Display_Height, "250");
 
+  // Make sure this ROM can fit in the screen dimensions
+  int sWidth, sHeight, iWidth, iHeight;
+  myOSystem->getScreenDimensions(sWidth, sHeight);
+  iWidth  = atoi(myProperties.get(Display_Width).c_str()) << 1;
+  iHeight = atoi(myProperties.get(Display_Height).c_str());
+  if(iWidth > sWidth || iHeight > sHeight)
+  {
+    myOSystem->frameBuffer().showMessage("ROM image dimensions larger than screen");
+    return;
+  }
+
   // Setup the controllers based on properties
   string left  = myProperties.get(Controller_Left);
   string right = myProperties.get(Controller_Right);

stella/src/emucore/EventHandler.cxx

@@ -13,7 +13,7 @@
 // See the file "license" for information on usage and redistribution of
 // this file, and for a DISCLAIMER OF ALL WARRANTIES.
 //
-// $Id: EventHandler.cxx,v 1.152 2006-03-05 01:18:42 stephena Exp $
+// $Id: EventHandler.cxx,v 1.153 2006-03-15 23:14:01 stephena Exp $
 //============================================================================
 
 #include <sstream>
@@ -194,7 +194,7 @@ void EventHandler::refreshDisplay()
   switch(myState)
   {
     case S_EMULATE:
-      myOSystem->frameBuffer().refresh();
+      myOSystem->frameBuffer().refresh(true);
       break;
 
     case S_MENU:
@@ -208,6 +208,8 @@ void EventHandler::refreshDisplay()
     default:
       break;
   }
+
+//  cerr << "  ==> State change = " << myState << endl;
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

stella/src/emucore/FrameBuffer.cxx

@@ -13,7 +13,7 @@
 // See the file "license" for information on usage and redistribution of
 // this file, and for a DISCLAIMER OF ALL WARRANTIES.
 //
-// $Id: FrameBuffer.cxx,v 1.79 2006-03-06 15:42:26 stephena Exp $
+// $Id: FrameBuffer.cxx,v 1.80 2006-03-15 23:14:01 stephena Exp $
 //============================================================================
 
 #include <sstream>
@@ -176,6 +176,7 @@ void FrameBuffer::update()
       // Draw any pending messages
       if(myMessageTime > 0 && !myPauseStatus)
         drawMessage();
+
       break;  // S_EMULATE
     }
 
@@ -206,6 +207,11 @@ void FrameBuffer::update()
     case EventHandler::S_LAUNCHER:
     {
       myOSystem->launcher().draw();
+
+      // Draw any pending messages
+      if(myMessageTime > 0)
+        drawMessage();
+
       break;  // S_LAUNCHER
     }
 
@@ -232,7 +238,6 @@ void FrameBuffer::update()
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void FrameBuffer::refresh(bool now)
 {
-//  cerr << "refreshTIA() " << myNumRedraws++ << endl;
   theRedrawTIAIndicator = true;
   if(now)
   {
@@ -248,7 +253,7 @@ void FrameBuffer::showMessage(const string& message)
   if(myMessageTime > 0)
   {
     theRedrawTIAIndicator = true;
-    drawMediaSource();
+    myOSystem->eventHandler().refreshDisplay();
   }
 
   myMessageText = message;
@@ -260,7 +265,7 @@ void FrameBuffer::hideMessage()
 {
   // Erase old messages on the screen
   if(myMessageTime > 0)
-    refresh(true);
+    myOSystem->eventHandler().refreshDisplay();
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@@ -533,10 +538,7 @@ inline void FrameBuffer::drawMessage()
   // Either erase the entire message (when time is reached),
   // or show again this frame
   if(myMessageTime == 0)
-  {
-	theRedrawTIAIndicator = true;
-	drawMediaSource();
-  }
+    myOSystem->eventHandler().refreshDisplay();
   else
 	addDirtyRect(x, y, w, h);
 }