Chip23128.cs

using System;
using BizHawk.Common;

namespace BizHawk.Emulation.Cores.Computers.Commodore64.MOS
{
	// ROM chips
	public sealed class Chip23128
	{
	    [SaveState.DoNotSave] private readonly int[] _rom;

	    public Chip23128()
	    {
            _rom = new int[0x4000];
        }

        public Chip23128(byte[] data) : this()
		{
            Flash(data);
        }

	    public void Flash(byte[] data)
	    {
            // ensures ROM is mirrored
            for (var i = 0; i < _rom.Length; i += data.Length)
            {
                Array.Copy(data, 0, _rom, i, data.Length);
            }
        }

        public int Peek(int addr)
		{
			return _rom[addr & 0x3FFF];
		}

		public int Read(int addr)
		{
			return _rom[addr & 0x3FFF];
		}

		public void SyncState(Serializer ser)
		{
			SaveState.SyncObject(ser, this);
		}
	}
}