From 45df42e329175a68e49403ecafe2ab0d233485a4 Mon Sep 17 00:00:00 2001
From: alyosha-tas <alexei.f.k@gmail.com>
Date: Tue, 29 Aug 2017 09:25:44 -0400
Subject: [PATCH] Delete AddressSpace.cs

---
 EMU7800/Core/AddressSpace.cs | 154 -----------------------------------
 1 file changed, 154 deletions(-)
 delete mode 100644 EMU7800/Core/AddressSpace.cs

diff --git a/EMU7800/Core/AddressSpace.cs b/EMU7800/Core/AddressSpace.cs
deleted file mode 100644
index 17b8b44f00..0000000000
--- a/EMU7800/Core/AddressSpace.cs
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * AddressSpace.cs
- *
- * The class representing the memory map or address space of a machine.
- *
- * Copyright © 2003, 2011 Mike Murphy
- *
- */
-using System;
-
-namespace EMU7800.Core
-{
-    public sealed class AddressSpace
-    {
-        public MachineBase M { get; private set; }
-
-        readonly int AddrSpaceShift;
-        readonly int AddrSpaceSize;
-        readonly int AddrSpaceMask;
-
-        readonly int PageShift;
-        readonly int PageSize;
-
-        readonly IDevice[] MemoryMap;
-        IDevice Snooper;
-
-        public byte DataBusState { get; private set; }
-
-        public override string ToString()
-        {
-            return "AddressSpace";
-        }
-
-        public byte this[ushort addr]
-        {
-            get
-            {
-                if (Snooper != null)
-                {
-                    // here DataBusState is just facilitating a dummy read to the snooper device
-                    // the read operation may have important side effects within the device
-                    DataBusState = Snooper[addr];
-                }
-                var pageno = (addr & AddrSpaceMask) >> PageShift;
-                var dev = MemoryMap[pageno];
-                DataBusState = dev[addr];
-                return DataBusState;
-            }
-            set
-            {
-                DataBusState = value;
-                if (Snooper != null)
-                {
-                    Snooper[addr] = DataBusState;
-                }
-                var pageno = (addr & AddrSpaceMask) >> PageShift;
-                var dev = MemoryMap[pageno];
-                dev[addr] = DataBusState;
-            }
-        }
-
-        public void Map(ushort basea, ushort size, IDevice device)
-        {
-            if (device == null)
-                throw new ArgumentNullException("device");
-
-            for (int addr = basea; addr < basea + size; addr += PageSize)
-            {
-                var pageno = (addr & AddrSpaceMask) >> PageShift;
-                MemoryMap[pageno] = device;
-            }
-
-            LogDebug("{0}: Mapped {1} to ${2:x4}:${3:x4}", this, device, basea, basea + size - 1);
-        }
-
-        public void Map(ushort basea, ushort size, Cart cart)
-        {
-            if (cart == null)
-                throw new ArgumentNullException("cart");
-
-            cart.Attach(M);
-            var device = (IDevice)cart;
-            if (cart.RequestSnooping)
-            {
-                Snooper = device;
-            }
-            Map(basea, size, device);
-        }
-
-        #region Constructors
-
-        private AddressSpace()
-        {
-        }
-
-        public AddressSpace(MachineBase m, int addrSpaceShift, int pageShift)
-        {
-            if (m == null)
-                throw new ArgumentNullException("m");
-
-            M = m;
-
-            AddrSpaceShift = addrSpaceShift;
-            AddrSpaceSize  = 1 << AddrSpaceShift;
-            AddrSpaceMask = AddrSpaceSize - 1;
-
-            PageShift = pageShift;
-            PageSize = 1 << PageShift;
-
-            MemoryMap = new IDevice[1 << addrSpaceShift >> PageShift];
-            IDevice nullDev = new NullDevice(M);
-            for (var pageno=0; pageno < MemoryMap.Length; pageno++)
-            {
-                MemoryMap[pageno] = nullDev;
-            }
-        }
-
-        #endregion
-
-        #region Serialization Members
-
-        public AddressSpace(DeserializationContext input, MachineBase m, int addrSpaceShift, int pageShift) : this(m, addrSpaceShift, pageShift)
-        {
-            if (input == null)
-                throw new ArgumentNullException("input");
-
-            input.CheckVersion(1);
-            DataBusState = input.ReadByte();
-        }
-
-        public void GetObjectData(SerializationContext output)
-        {
-            if (output == null)
-                throw new ArgumentNullException("output");
-
-            output.WriteVersion(1);
-            output.Write(DataBusState);
-        }
-
-        #endregion
-
-        #region Helpers
-
-        [System.Diagnostics.Conditional("DEBUG")]
-        void LogDebug(string format, params object[] args)
-        {
-            if (M == null || M.Logger == null)
-                return;
-            M.Logger.WriteLine(format, args);
-        }
-
-        #endregion
-    }
-}
\ No newline at end of file