private static void Main(string[] args)
{
// Virtual CHIP-8 CPU
var cpu = new CPU();
// Open ROM file
using var rom = File.OpenRead("roms/sample.ch8");
Console.WriteLine($"File is {rom.Length} bytes long");
// Read program
using var reader = new BinaryReader(rom);
while (rom.Position < rom.Length)
{
// CHIP-8 opcodes are 2 bytes long and stored in big-endian.
var opcode = (ushort)((reader.ReadByte() << 8) | reader.ReadByte());
try
{
cpu.ExecuteOpcode(opcode);
}
catch (UnsupportedOpcodeException e)
{
Console.WriteLine(e.Message);
}
}
Console.WriteLine("\nEnd of ROM file.");
}