Initial checkinHEADmaster

1 files changed, 100 insertions, 0 deletions

diff --git a/Hardsid.cs b/Hardsid.cs
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+// C# Hardsid interface
+// Copyright (C) 2004  Ian Cowburn
+// 
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+//
+// $Id$
+//
+using System;
+using System.Runtime.InteropServices;
+
+namespace HardsidInterface
+{
+	/// <summary>
+	/// Main Hardsid class
+	/// </summary>
+	public class Hardsid
+	{
+		public delegate void DebugEvent(uint device, uint reg, uint val);
+		
+		public static event DebugEvent	DebugWrite;
+		
+		public static void Init()
+		{
+			InitHardSID_Mapper();
+		}
+		
+		public static int Count
+		{
+			get {return (int)GetHardSIDCount();}
+		}
+		
+		public static void Write(uint reg, uint val)
+		{
+			//System.Diagnostics.Debugger.Break();
+			WriteToHardSID(0,Cast(reg),Cast(val));
+			
+			if (DebugWrite!=null)
+			{
+				DebugWrite(0,reg,val);
+			}
+		}
+		
+		public static void Write(uint device, uint reg, uint val)
+		{
+			WriteToHardSID(Cast(device),Cast(reg),Cast(val));
+			
+			if (DebugWrite!=null)
+			{
+				DebugWrite(device,reg,val);
+			}
+		}
+		
+		public static uint Read(uint device, uint reg)
+		{
+			return ReadFromHardSID(Cast(device),Cast(reg));
+		}
+		
+		public static byte Read(uint reg)
+		{
+			return ReadFromHardSID(0,Cast(reg));
+		}
+		
+		public static void DLLDebug(int i)
+		{
+			SetDebug(i);
+		}
+		
+		private static byte Cast(uint v)
+		{
+			return (byte)(v&0xffu);
+		}
+		
+		[DllImport ("HARDSID.DLL")]
+		private static extern byte GetHardSIDCount();
+
+		[DllImport ("HARDSID.DLL")]
+		private static extern void WriteToHardSID(byte id, byte reg, byte data); 
+
+		[DllImport ("HARDSID.DLL")]
+		private static extern byte ReadFromHardSID(byte id, byte reg); 
+
+		[DllImport ("HARDSID.DLL")]
+		private static extern byte InitHardSID_Mapper(); 
+
+		[DllImport ("HARDSID.DLL")]
+		private static extern void SetDebug(int i); 
+	}
+}