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namespace Q1.Emulator;
using System;
using System.IO;
using System.Threading;
using Chip;
using CommandLine;
using Microsoft.Xna.Framework;
public class Program
{
public static void Main(string[] args)
{
Parser.Default.ParseArguments<EmulatorOptions>(args).WithParsed(Program.Main);
}
public static void Main(EmulatorOptions emulatorOptions)
{
Q1Cpu cpu = new();
Bus bus = new(u16.MinValue, u16.MaxValue);
RamDevice rom = new(Q1Layout.Rom.start, Q1Layout.Rom.size);
File.ReadAllBytes(emulatorOptions.InputFile).CopyTo(rom.Memory, 0);
DisplayDevice display = new(Q1Layout.DisplayPaletteSize, Q1Layout.DisplayWidth, Q1Layout.DisplayHeight, Q1Layout.Display.start);
display.SetPalette([
Color.Red,
Color.Green,
Color.Blue,
Color.Yellow,
Color.Cyan,
Color.Magenta,
Color.White,
Color.Black,
Color.Gray,
Color.Orange,
Color.Purple,
Color.Brown,
Color.LightGray,
Color.DarkGray,
Color.LightBlue,
Color.LightGreen
]);
HIDDevice hid = new(Q1Layout.Hid.start);
RamDevice memory = new(Q1Layout.Memory.start, Q1Layout.Memory.size);
cpu.Bus = bus;
rom.AttachToBus(bus);
display.AttachToBus(bus);
memory.AttachToBus(bus);
hid.AttachToBus(bus);
Thread t = new(() =>
{
cpu.Reset();
while (!cpu.AbortRequested)
{
// for (int i = 0; i < 64; i++)
// cpu.Clock();
//
// Thread.Sleep(1);
//
cpu.Clock();
}
Console.WriteLine($"Exit code: 0x{cpu.V[0]:X4}");
MemoryDump(memory, Q1Layout.FreeMemoryStart, (u16) (Q1Layout.Memory.start + Q1Layout.Memory.size - 1));
});
t.IsBackground = true;
t.Start();
using DisplayEngine game = new(Q1Layout.DisplayWidth, Q1Layout.DisplayHeight, 5,
hid,
tex =>
{
display.OutputTexture = tex;
Console.WriteLine("Display surface initialized.");
}, () => display.Clock(), () => cpu.AbortRequested);
game.Run();
Console.WriteLine("Display surface closed. Waiting for CPU thread to finish...");
t.Join();
}
private static void MemoryDump(RamDevice memory, u16 start, u16 end)
{
for (u16 addr = start; addr <= end; addr += 16)
{
Console.Write($"0x{addr:X4}: ");
for (u16 offset = 0; offset < 16; offset++)
{
if (addr + offset > end) break;
Console.Write($"{memory.Read((u16) (addr + offset)):X2} ");
}
Console.WriteLine();
}
}
}
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