SRAM.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace KAPE8bitEmulator
{
    class SRAM64k
    {
        byte[] sram = new byte[0x10000];

        public void RegisterMap(CPU_6502 cpu)
        {
            cpu.RegisterRead(0, 0xffff, Read);
            cpu.RegisterWrite(0, 0xffff, Write);
        }

        public byte Read(UInt16 address)
        {
            return sram[address];
        }

        public void Write(UInt16 address, byte val)
        {
            sram[address] = val;
        }

        internal void FillRam(string binFile)
        {
            using (var fileStream = new FileStream(binFile, FileMode.Open))
            using (var binaryReader = new BinaryReader(fileStream))
            {
                binaryReader.Read(sram, 0, 0x10000);

                Console.WriteLine($"Filled ram with {fileStream.Name}, {fileStream.Position} bytes.");
            }
        }
    }
}