protected override void Initialize()
{
this.IsMouseVisible = true;
this.IsFixedTimeStep = true;
this.TargetElapsedTime = new TimeSpan(4000); // only if IsFixedTimeStep is true
bool testROM = true;
if (testROM)
{
CPU.instructionFecther.LoadSourceFile(@".\ROM\SpaceInvaders1978\TEST-ROM2.json", SourceFileFormat.JSON_HEX);
}
else
{
CPU.instructionFecther.LoadSourceFile(@".\ROM\SpaceInvaders1978\INVADERS-H.json", SourceFileFormat.JSON_HEX);
//Debug.Write("Next file2\n");
CPU.instructionFecther.LoadSourceFile(@".\ROM\SpaceInvaders1978\INVADERS-G.json", SourceFileFormat.JSON_HEX);
//Debug.Write("Next file3\n");
CPU.instructionFecther.LoadSourceFile(@".\ROM\SpaceInvaders1978\INVADERS-f.json", SourceFileFormat.JSON_HEX);
//Debug.Write("Next file4\n");
CPU.instructionFecther.LoadSourceFile(@".\ROM\SpaceInvaders1978\INVADERS-E.json", SourceFileFormat.JSON_HEX);
CPU.instructionFecther.ParseCurrentContent();
}
List <string> spaceInvadersAsm = new List <string>();
string SpaceInvadersAsmPath = @"..\..\..\..\Misc\OutputFiles\SpaceInvaders.8080asm";
if (File.Exists(SpaceInvadersAsmPath))
{
File.Delete(SpaceInvadersAsmPath);
}
File.WriteAllLines(SpaceInvadersAsmPath, CPU.instructionFecther.FetchAllCodeLines());
Memory.RAM2File(); //NO WRITING FOR THE TIME BEING
Memory.RAM2FileHTML();
int memoryPointer = 0;
foreach (byte _byte in CPU.instructionFecther.FetchAllCodeBytes())
{
Memory.RAMMemory[memoryPointer] = _byte;
memoryPointer++;
Memory.TextSectionSize++;
}
//CPU.instructionFecther.ResetInstructionIterator(); //this is overly complicated, better get it from RAM
DisplayBuffer.Init(GraphicsDevice, Color.Black, Color.White);
DisplayBuffer.GenerateDisplay(); //Inverted colours. This is bad test, first frame will come emtpy always
DisplayBuffer.GenerateRAMDisplay();
screenBitmap = DisplayBuffer.videoTexture; // First screencap
RAMBitmap = DisplayBuffer.RAMtexture; // First screencap
base.Initialize();
}
protected override void Update(GameTime gameTime)
{
keyboardState = Keyboard.GetState();
mouseState = Mouse.GetState();
if (keyboardState.IsKeyDown(Keys.Escape))
{
Exit();
}
if (mouseState.X < positionOneCycleButton.X + positionOneCycleButton.Width &&
mouseState.X > positionOneCycleButton.X &&
mouseState.Y < positionOneCycleButton.Y + positionOneCycleButton.Height &&
mouseState.Y > positionOneCycleButton.Y)
{
oneCycleHover = true;
}
else
{
oneCycleHover = false;
}
if (mouseState.LeftButton == ButtonState.Pressed)
{
leftButtonPressed++;
}
else
{
leftButtonPressed = 0;
}
clickOneCycle = (oneCycleHover &&
mouseState.LeftButton == ButtonState.Released &&
oldMouseState.LeftButton == ButtonState.Pressed);
if (true || clickOneCycle || leftButtonPressed > 20 || keyboardState.IsKeyDown(Keys.P))
{
if (CPU.cyclesCounter % 100 == 0)
{
DisplayBuffer.GenerateRAMDisplay();
}
CPU.Cycle();
CPU.cyclesCounter++;
CPU.cyclesPerSecond++;
if (CPU.cyclesCounter == 49000)
{
this.TargetElapsedTime = new TimeSpan(4000);
}
}
//Debug.WriteLine("Ticks:" + ticks + " Pc: " + CPU.programCounter);
//Read a instruction
//Execute instruction
//string instruction = CPU.instructionFecther.FetchNextInstruction().Item1;
// TODO: Add your update logic here
oldMouseState = mouseState;
base.Update(gameTime);
}