Performance, bug fixes, debug options, documentation updates.

Performance stats., refactoring, bug fixes, documentation updates,
cosmetic changes, debug options.

ConsoleIO.cpp

@@ -0,0 +1,176 @@
+/*
+ *--------------------------------------------------------------------
+ * Project:     VM65 - Virtual Machine/CPU emulator programming
+ *                     framework.  
+ *
+ * File:        ConsoleIO.cpp
+ *
+ * Purpose:     Implementation of ConsoleIO class.
+ *              The ConsoleIO class has methods helpful when
+ *              UI is utilizing STDIO (DOS) console.
+ *
+ * Date:        8/26/2016
+ *
+ * Copyright:  (C) by Marek Karcz 2016. All rights reserved.
+ *
+ * Contact:    [email protected]
+ *
+ * License Agreement and Warranty:
+
+   This software is provided with No Warranty.
+   I (Marek Karcz) will not be held responsible for any damage to
+   computer systems, data or user's health resulting from use.
+   Please proceed responsibly and apply common sense.
+   This software is provided in hope that it will be useful.
+   It is free of charge for non-commercial and educational use.
+   Distribution of this software in non-commercial and educational
+   derivative work is permitted under condition that original
+   copyright notices and comments are preserved. Some 3-rd party work
+   included with this project may require separate application for
+   permission from their respective authors/copyright owners.
+
+ *--------------------------------------------------------------------
+ */
+#include <stdio.h>
+#include <iostream>
+#include <sstream>
+#include <string.h>
+#include "system.h"
+#include "ConsoleIO.h"
+
+#include "MKGenException.h"
+
+#if defined(WINDOWS)
+#include <conio.h>
+#endif
+
+using namespace std;
+
+namespace MKBasic {
+
+/*
+ *--------------------------------------------------------------------
+ * Method:    
+ * Purpose:   
+ * Arguments: 
+ * Returns:   
+ *--------------------------------------------------------------------
+ */
+ConsoleIO::ConsoleIO()
+{
+
+}  
+
+/*
+ *--------------------------------------------------------------------
+ * Method:    
+ * Purpose:   
+ * Arguments: 
+ * Returns:   
+ *--------------------------------------------------------------------
+ */
+ConsoleIO::~ConsoleIO()
+{
+
+}
+
+#if defined(WINDOWS)
+
+/*
+ *--------------------------------------------------------------------
+ * Method:     ClearScreen()
+ * Purpose:    Clear the console screen.
+ * Arguments:  n/a
+ * Returns:    n/a
+ *--------------------------------------------------------------------
+ */
+void ConsoleIO::ClearScreen()
+{
+  HANDLE                     hStdOut;
+  CONSOLE_SCREEN_BUFFER_INFO csbi;
+  DWORD                      count;
+  DWORD                      cellCount;
+  COORD                      homeCoords = { 0, 0 };
+
+  hStdOut = GetStdHandle( STD_OUTPUT_HANDLE );
+  if (hStdOut == INVALID_HANDLE_VALUE) return;
+
+  /* Get the number of cells in the current buffer */
+  if (!GetConsoleScreenBufferInfo( hStdOut, &csbi )) return;
+  cellCount = csbi.dwSize.X *csbi.dwSize.Y;
+
+  /* Fill the entire buffer with spaces */
+  if (!FillConsoleOutputCharacter(
+    hStdOut,
+    (TCHAR) ' ',
+    cellCount,
+    homeCoords,
+    &count
+    )) return;
+
+  /* Fill the entire buffer with the current colors and attributes */
+  if (!FillConsoleOutputAttribute(
+    hStdOut,
+    csbi.wAttributes,
+    cellCount,
+    homeCoords,
+    &count
+    )) return;
+
+  /* Move the cursor home */
+  SetConsoleCursorPosition( hStdOut, homeCoords );
+}
+
+/*
+ *--------------------------------------------------------------------
+ * Method:     ScrHome()
+ * Purpose:    Bring the console cursor to home position.
+ * Arguments:  n/a
+ * Returns:    n/a
+ *--------------------------------------------------------------------
+ */
+void ConsoleIO::ScrHome()
+{
+  HANDLE                     hStdOut;
+  COORD                      homeCoords = { 0, 0 };
+
+  hStdOut = GetStdHandle( STD_OUTPUT_HANDLE );
+  if (hStdOut == INVALID_HANDLE_VALUE) return;
+
+  /* Move the cursor home */
+  SetConsoleCursorPosition( hStdOut, homeCoords );
+}
+
+#endif
+
+#if defined(LINUX)
+
+/*
+ *--------------------------------------------------------------------
+ * Method:     ClearScreen()
+ * Purpose:    Clear the console screen.
+ * Arguments:  n/a
+ * Returns:    n/a
+ *--------------------------------------------------------------------
+ */
+void ConsoleIO::ClearScreen()
+{
+   system("clear");
+}
+
+/*
+ *--------------------------------------------------------------------
+ * Method:     ScrHome()
+ * Purpose:    Bring the console cursor to home position.
+ * Arguments:  n/a
+ * Returns:    n/a
+ *--------------------------------------------------------------------
+ */
+void ConsoleIO::ScrHome()
+{
+   cout << "\033[1;1H";
+}
+
+#endif // #devine LINUX
+
+}  // END namespace MKBasic 

ConsoleIO.h

@@ -0,0 +1,61 @@
+/*
+ *--------------------------------------------------------------------
+ * Project:     VM65 - Virtual Machine/CPU emulator programming
+ *                     framework.  
+ *
+ * File:        ConsoleIO.h
+ *
+ * Purpose:     Prototype of ConsoleIO class.
+ *
+ * Date:        8/26/2016
+ *
+ * Copyright:  (C) by Marek Karcz 2016. All rights reserved.
+ *
+ * Contact:    [email protected]
+ *
+ * License Agreement and Warranty:
+
+   This software is provided with No Warranty.
+   I (Marek Karcz) will not be held responsible for any damage to
+   computer systems, data or user's health resulting from use.
+   Please proceed responsibly and apply common sense.
+   This software is provided in hope that it will be useful.
+   It is free of charge for non-commercial and educational use.
+   Distribution of this software in non-commercial and educational
+   derivative work is permitted under condition that original
+   copyright notices and comments are preserved. Some 3-rd party work
+   included with this project may require separate application for
+   permission from their respective authors/copyright owners.
+
+ *--------------------------------------------------------------------
+ */
+#ifndef CONSOLEIO_H
+#define CONSOLEIO_H
+
+#include <string>
+#include <queue>
+#include <chrono>
+#include "system.h"
+
+//#define WINDOWS 1
+#if defined (WINDOWS)
+#include <windows.h>
+#endif
+
+namespace MKBasic {
+
+   class ConsoleIO
+   {
+      public:
+
+         ConsoleIO();
+         ~ConsoleIO();
+
+         void ClearScreen();
+         void ScrHome();
+
+   };
+
+}  // namespace MKBasic
+
+#endif   // #ifndef CONSOLEIO_H 

Display.cpp

@@ -1,3 +1,39 @@
+/*
+ *--------------------------------------------------------------------
+ * Project:     VM65 - Virtual Machine/CPU emulator programming
+ *                     framework.  
+ *
+ * File:   			Display.cpp
+ *
+ * Purpose: 		Implementation of Display class.
+ *							The Display class emulates the character I/O device.
+ *							It defines the abstract device. The actual
+ *							input/output to the screen of the platform on which
+ *							the emulator runs is defined in MemMapDev class
+ *							or on higher level of abstraction.
+ *
+ * Date:      	8/25/2016
+ *
+ * Copyright:  (C) by Marek Karcz 2016. All rights reserved.
+ *
+ * Contact:    [email protected]
+ *
+ * License Agreement and Warranty:
+
+   This software is provided with No Warranty.
+   I (Marek Karcz) will not be held responsible for any damage to
+   computer systems, data or user's health resulting from use.
+   Please proceed responsibly and apply common sense.
+   This software is provided in hope that it will be useful.
+   It is free of charge for non-commercial and educational use.
+   Distribution of this software in non-commercial and educational
+   derivative work is permitted under condition that original
+   copyright notices and comments are preserved. Some 3-rd party work
+   included with this project may require separate application for
+   permission from their respective authors/copyright owners.
+
+ *--------------------------------------------------------------------
+ */
 #include "Display.h"
 #include <ctype.h>
 #include <cstdlib>

Display.h

@@ -1,3 +1,35 @@
+/*
+ *--------------------------------------------------------------------
+ * Project:     VM65 - Virtual Machine/CPU emulator programming
+ *                     framework.  
+ *
+ * File:   			Display.h
+ *
+ * Purpose: 		Prototype of Display class and all supportig data
+ *							structures, enumerations, constants and macros.
+ *
+ * Date:      	8/25/2016
+ *
+ * Copyright:  (C) by Marek Karcz 2016. All rights reserved.
+ *
+ * Contact:    [email protected]
+ *
+ * License Agreement and Warranty:
+
+   This software is provided with No Warranty.
+   I (Marek Karcz) will not be held responsible for any damage to
+   computer systems, data or user's health resulting from use.
+   Please proceed responsibly and apply common sense.
+   This software is provided in hope that it will be useful.
+   It is free of charge for non-commercial and educational use.
+   Distribution of this software in non-commercial and educational
+   derivative work is permitted under condition that original
+   copyright notices and comments are preserved. Some 3-rd party work
+   included with this project may require separate application for
+   permission from their respective authors/copyright owners.
+
+ *--------------------------------------------------------------------
+ */
 #ifndef DISPLAY_H
 #define DISPLAY_H
 

GraphDisp.cpp

@@ -1,4 +1,40 @@
+/*
+ *--------------------------------------------------------------------
+ * Project:     VM65 - Virtual Machine/CPU emulator programming
+ *                     framework.  
+ *
+ * File:   			GraphDisp.cpp
+ *
+ * Purpose: 		Implementation of GraphDisp class.
+ *							The GraphDisp class emulates the graphics raster
+ *							device. It handles displaying of the graphics, the
+ *							events loop and the 'hardware' API to the device.
+ *							The higher level abstraction layer - MemMapDev
+ *							defines the actual behavior/response of the emulated
+ *							device in the emulated system.
+ *
+ * Date:      	8/25/2016
+ *
+ * Copyright:  (C) by Marek Karcz 2016. All rights reserved.
+ *
+ * Contact:    [email protected]
+ *
+ * License Agreement and Warranty:
+
+   This software is provided with No Warranty.
+   I (Marek Karcz) will not be held responsible for any damage to
+   computer systems, data or user's health resulting from use.
+   Please proceed responsibly and apply common sense.
+   This software is provided in hope that it will be useful.
+   It is free of charge for non-commercial and educational use.
+   Distribution of this software in non-commercial and educational
+   derivative work is permitted under condition that original
+   copyright notices and comments are preserved. Some 3-rd party work
+   included with this project may require separate application for
+   permission from their respective authors/copyright owners.
 
+ *--------------------------------------------------------------------
+ */
 #include "GraphDisp.h"
 #include "MKGenException.h"
 #include "system.h"
@@ -75,6 +111,8 @@ void GraphDisp::Initialize()
 {
 	int desk_w, desk_h, winbd_top = 5, winbd_right = 5;
 
+	mPixelSizeX = GRAPHDISP_MAXW / mWidth;
+	mPixelSizeY = GRAPHDISP_MAXH / mHeight;
 	GetDesktopResolution(desk_w, desk_h);
 	// Available in version > 2.0.4
 	//SDL_GetWindowBordersSize(mpWindow, &winbd_top, NULL, NULL, &winbd_right);