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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);
}
}
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