public void DumpCpu()
{
Console.WriteLine(_myZ80.DumpState());
}
private static void Main(string[] args)
{
var ram = new byte[65536];
Array.Clear(ram, 0, ram.Length);
var inp = File.ReadAllBytes("48.rom");
if (inp.Length != 16384)
{
throw new InvalidOperationException("Invalid 48.rom file");
}
Array.Copy(inp, ram, 16384);
var myZ80 = new Z80(new Memory(ram, 16384), new SamplePorts());
Console.Clear();
//var counter = 0;
while (!myZ80.Halt)
{
myZ80.Parse();
//counter++;
//if (counter % 1000 == 1)
//{
// if (Console.KeyAvailable)
// break;
// var registers = myZ80.GetState();
// Console.WriteLine($"0x{(ushort)(registers[25] + (registers[24] << 8)):X4}");
//}
}
Console.WriteLine(Environment.NewLine + myZ80.DumpState());
for (var i = 0; i < 0x80; i++)
{
if (i % 16 == 0)
{
Console.Write("{0:X4} | ", i);
}
Console.Write("{0:x2} ", ram[i]);
if (i % 8 == 7)
{
Console.Write(" ");
}
if (i % 16 == 15)
{
Console.WriteLine();
}
}
Console.WriteLine();
for (var i = 0x4000; i < 0x4100; i++)
{
if (i % 16 == 0)
{
Console.Write("{0:X4} | ", i);
}
Console.Write("{0:x2} ", ram[i]);
if (i % 8 == 7)
{
Console.Write(" ");
}
if (i % 16 == 15)
{
Console.WriteLine();
}
}
}
public static void Main(string[] args)
{
Console.WriteLine("Loading Breakpoints");
LinkedList <Int16> breakpointList = new LinkedList <Int16>();
try
{
StreamReader breakpointsFileReader = new StreamReader(File.OpenRead("breakpoints"));
while (!breakpointsFileReader.EndOfStream)
{
breakpointList.AddLast(Int16.Parse(breakpointsFileReader.ReadLine()));
}
}
catch (System.Exception)
{
Console.WriteLine("Unable to read file 'breakpoints'");
}
Console.WriteLine("Initializing memory");
var ram = new byte[65536];
Array.Clear(ram, 0, ram.Length);
Console.WriteLine("Loading memory");
try
{
File.ReadAllBytes("code.bin").CopyTo(ram, 0);
}
catch (System.Exception)
{
Console.WriteLine("ERROR: Unable to read code.bin");
Console.WriteLine("Press RETURN to exit.");
while (Console.Read() == -1)
{
}
return;
}
var mem = new Memory(ram, 0);
Console.WriteLine("Initializing I/O ports");
var ports = new SimplePorts();
Console.WriteLine("Initializing CPU");
var cpu = new Z80(mem, ports);
Console.WriteLine("Starting CPU" + Environment.NewLine);
Console.WriteLine("Press 'T' to terminate emulation");
Console.WriteLine("Press 'S' to single step and 'R' to run continuously" + Environment.NewLine);
ConsoleKeyInfo keystroke;
bool singleStep = true;
bool running = true;
int curPC = 0;
while (running)
{
curPC = (cpu.GetState()[24] * 256) + cpu.GetState()[25];
foreach (int i in breakpointList)
{
if (i == curPC)
{
Console.WriteLine("Breakpoint hit, pausing");
singleStep = true;
}
}
if (singleStep)
{
Console.WriteLine(cpu.DumpState());
keystroke = Console.ReadKey(true);
if (keystroke.Key == ConsoleKey.S)
{
Console.WriteLine("Single stepping" + Environment.NewLine);
singleStep = true;
}
else if (keystroke.Key == ConsoleKey.R)
{
Console.WriteLine("Running free" + Environment.NewLine);
singleStep = false;
}
else if (keystroke.Key == ConsoleKey.T)
{
Console.WriteLine("Terminating emulation" + Environment.NewLine);
break;
}
}
cpu.Parse();
if (cpu.Halt)
{
Console.WriteLine("Halt executed, pausing simulation" + Environment.NewLine);
singleStep = true;
}
}
Console.WriteLine("Press RETURN to exit.");
while (Console.Read() == -1)
{
}
}
