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using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Threading;
using Microsoft.Xna.Framework;
using Q1Emu.Chip;
using Q1Emu;
using Q1Emu.Assembler;
internal class Program
{
public static void Main(string[] args)
{
if (args.Length > 0)
{
string filePath = args[0];
if (filePath.EndsWith(".q1"))
{
Run(filePath);
}
else
{
Program.AssembleAndRun(filePath);
}
}
else
{
Console.WriteLine("Usage: Q1Emu <file.q1|file.asm>");
Console.WriteLine("Example: Q1Emu game.q1");
Console.WriteLine("Example: Q1Emu game.asm");
}
}
private static void AssembleAndRun(string filePath)
{
StringReader reader = new(File.ReadAllText(filePath));
BinaryWriter writer = new(File.Create(Path.ChangeExtension(filePath, ".q1")));
Assembler assembler = new(reader, writer);
assembler.Assemble();
writer.Close();
Console.WriteLine($"Assembled {filePath} to {Path.ChangeExtension(filePath, ".q1")}");
Run(Path.ChangeExtension(filePath, ".q1"));
}
private static void Run(string filePath)
{
Q1Cpu cpu = new();
Bus bus = new(u16.MinValue, u16.MaxValue);
RamDevice ram = new(0x1FFF, 1024 * 8);
File.ReadAllBytes(filePath).CopyTo(ram.Memory, 0);
cpu.PC = ram.AddressableStart;
DisplayDevice display = new(16, 64, 32, 0x3FFF);
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]);
cpu.Bus = bus;
ram.AttachToBus(bus);
display.AttachToBus(bus);
int frameRate = 600;
Thread t = new(() =>
{
while (true)
{
cpu.Clock();
Thread.Sleep(1000 / frameRate);
}
});
t.IsBackground = true;
t.Start();
using DisplayEngine game = new(64, 32, 10,
tex =>
{
display.OutputTexture = tex;
Console.WriteLine("Display texture initialized.");
}, () => display.Clock());
game.Run();
}
}
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