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authorIan C <ianc@noddybox.co.uk>2005-01-21 01:12:34 +0000
committerIan C <ianc@noddybox.co.uk>2005-01-21 01:12:34 +0000
commitfb4dd47eb1c021bd9aa3bf1c4d422e416fb7e189 (patch)
tree062644aa214cb9113dd17e25cefcd108a99fe7ba /Hardsid.cs
parentbb90eab41d5126072562f52af1c9e44e1767f2dc (diff)
Initial checkinHEADmaster
Diffstat (limited to 'Hardsid.cs')
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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);
+ }
+}