From 2b8d49726e448e22b5055da5ba4395d043030984 Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Sun, 1 Jan 2012 14:21:26 +0000
Subject: Moved sources to help in compilation for other platforms and isolated
 phone projects.

---
 Noddybox.Emulation.EightBit.Z80/Z80Cpu.cs | 226 ------------------------------
 1 file changed, 226 deletions(-)
 delete mode 100644 Noddybox.Emulation.EightBit.Z80/Z80Cpu.cs

(limited to 'Noddybox.Emulation.EightBit.Z80/Z80Cpu.cs')

diff --git a/Noddybox.Emulation.EightBit.Z80/Z80Cpu.cs b/Noddybox.Emulation.EightBit.Z80/Z80Cpu.cs
deleted file mode 100644
index 5c40854..0000000
--- a/Noddybox.Emulation.EightBit.Z80/Z80Cpu.cs
+++ /dev/null
@@ -1,226 +0,0 @@
-//
-// Copyright (c) 2012 Ian Cowburn
-//
-using System;
-using System.Net;
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Documents;
-using System.Windows.Ink;
-using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Animation;
-using System.Windows.Shapes;
-
-namespace Noddybox.Emulation.EightBit.Z80
-{
-    /// <summary>
-    /// Provides an implementation of a Zilog Z80 processor.
-    /// </summary>
-    public partial class Z80Cpu : ICpu
-    {
-        #region Private types
-
-        [Flags]
-        private enum Z80Flags
-        {
-            None        = 0x00,
-            Carry       = 0x01,
-            Neg		    = 0x02,
-            PV		    = 0x04,
-            Hidden3	    = 0x08,
-            HalfCarry   = 0x10,
-            Hidden5     = 0x20,
-            Zero		= 0x40,
-            Sign		= 0x80            
-        };
-
-        #endregion
-
-        #region Private data
-
-        // Lookup tables
-        //
-        private Z80Flags[] PSZtable = new Z80Flags[512];
-        private Z80Flags[] SZtable = new Z80Flags[512];
-        private Z80Flags[] Ptable = new Z80Flags[512];
-        private Z80Flags[] Stable = new Z80Flags[512];
-        private Z80Flags[] Ztable = new Z80Flags[512];
-        private Z80Flags[] H35table = new Z80Flags[256];
-
-        // Machine accessors
-        //
-        private IMemory memory;
-        private IDevice device;
-        private Clock   clock;
-
-        // Main registers
-        //
-        private byte        A;
-        private Z80Flags    F;
-        private Register16  BC = new Register16(0);
-        private Register16  DE = new Register16(0);
-        private Register16  HL = new Register16(0);
-        private Register16  IX = new Register16(0);
-        private Register16  IY = new Register16(0);
-        private ushort      SP;
-        private ushort      PC;
-
-        // Alternate registers
-        //
-        private Register16  AF_ = new Register16(0);
-        private Register16  BC_ = new Register16(0);
-        private Register16  DE_ = new Register16(0);
-        private Register16  HL_ = new Register16(0);
-
-        // Auxilliary registers and flags
-        //
-        private byte        I;
-        private byte        R;
-        private bool        IFF1;
-        private bool        IFF2;
-        private int         IM;
-        private bool        HALT;
-
-        #endregion
-
-        #region ICpu Members
-
-        public void Initialise(IMemory memory, IDevice device, Clock clock)
-        {
-            this.memory = memory;
-            this.device = device;
-            this.clock = clock;
-
-            Reset();
-        }
-
-        public void Reset()
-        {
-            PC = 0;
-            A = 0xff;
-            F = (Z80Flags)0xff;
-
-            BC.reg = 0xffff;
-            DE.reg = 0xffff;
-            HL.reg = 0xffff;
-            AF_.reg = 0xffff;
-            BC_.reg = 0xffff;
-            DE_.reg = 0xffff;
-            HL_.reg = 0xffff;
-
-            IX.reg = 0xffff;
-            IY.reg = 0xffff;
-
-            SP = 0xffff;
-
-            IFF1 = false;
-            IFF2 = false;
-            IM = 0;
-            I = 0;
-            R = 0;
-            HALT = false;
-        }
-
-        public void Step()
-        {
-            // TODO: Single step.
-        }
-
-        public void Run()
-        {
-            while(!clock.FrameDone)
-            {
-                Step();
-            }
-        }
-
-        public void MaskableInterrupt(byte value)
-        {
-            clock.Add(2);
-
-            // TODO: INT
-        }
-
-        public void NonMaskableInterrupt(byte value)
-        {
-            clock.Add(2);
-
-            // TODO: NMI
-        }
-
-        #endregion
-
-        #region Constructors
-
-        public Z80Cpu()
-        {
-            // Verify runtime
-            //
-            Register16.Verify();
-
-            // Setup lookup tables
-            //
-            for(int f = 0; f < 256; f++)
-            {
-                Z80Flags p = Z80Flags.None;
-                Z80Flags z = Z80Flags.None;
-                Z80Flags s = Z80Flags.None;
-                Z80Flags h3 = Z80Flags.None;
-                Z80Flags h5 = Z80Flags.None;
-
-                int parity = 0;
-
-                for(int b=0; b < 8; b++)
-                {
-                    if ((f & (1<<b)) == (1<<b))
-                    {
-                        parity++;
-                    }
-                }
-
-                if ((parity & 1) == 1)
-                {
-                    p = Z80Flags.PV;
-                }
-
-                if (f == 0)
-                {
-                    z = Z80Flags.Zero;
-                }
-
-                if ((f & 0x80) == 0x80)
-                {
-                    s = Z80Flags.Sign;
-                }
-
-                if ((f & (int)Z80Flags.Hidden3) == (int)Z80Flags.Hidden3)
-                {
-                    h3 = Z80Flags.Hidden3;
-                }
-
-                if ((f & (int)Z80Flags.Hidden5) == (int)Z80Flags.Hidden5)
-                {
-                    h5 = Z80Flags.Hidden5;
-                }
-
-                Ptable[f] = p;
-                Stable[f] = s;
-                Ztable[f] = z;
-                SZtable[f] =z | s;
-                PSZtable[f] = z | s | p;
-                H35table[f] = h3 | h5;
-
-                Ptable[f+256] = Ptable[f] | Z80Flags.Carry;
-                Stable[f+256] = Stable[f] | Z80Flags.Carry;
-                Ztable[f+256] = Ztable[f] | Z80Flags.Carry;
-                SZtable[f+256] = SZtable[f] | Z80Flags.Carry;
-                PSZtable[f+256] = PSZtable[f] | Z80Flags.Carry;
-            }
-
-            Reset();
-        }
-
-        #endregion
-    }
-}
-- 
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