/* ES40 emulator.
 * Copyright (C) 2007-2008 by the ES40 Emulator Project
 *
 * WWW    : http://sourceforge.net/projects/es40
 * E-mail : camiel@camicom.com
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Although this is not required, the author would appreciate being notified of,
 * and receiving any modifications you may make to the source code that might serve
 * the general public.
 */

 /**
  * \file
  * Contains the definitions for the emulated Port 80 device.
  *
  * $Id$
  *
  * X-1.9        Camiel Vanderhoeven                             02-JAN-2008
  *      Comments.
  *
  * X-1.8        Camiel Vanderhoeven                             17-DEC-2007
  *      SaveState file format 2.1
  *
  * X-1.7        Camiel Vanderhoeven                             10-DEC-2007
  *      Use configurator.
  *
  * X-1.6        Camiel Vanderhoeven                             30-MAR-2007
  *      Added old changelog comments.
  *
  * X-1.5        Camiel Vanderhoeven                             16-FEB-2007
  *      Changed header guards
  *
  * X-1.4        Camiel Vanderhoeven                             12-FEB-2007
  *      Added comments.
  *
  * X-1.3        Camiel Vanderhoeven                             9-FEB-2007
  *      Added comments.
  *
  * X-1.2        Brian Wheeler                                   3-FEB-2007
  *      Formatting.
  *
  * X-1.1        Camiel Vanderhoeven                             19-JAN-2007
  *      Initial version in CVS.
  *
  * \author Camiel Vanderhoeven (camiel@camicom.com / http://www.camicom.com)
  **/
#if !defined(INCLUDED_PORT80_H)
#define INCLUDED_PORT80_H

#include "SystemComponent.h"

  /**
   * \brief Emulated port 80.
   *
   * Port 80 is a port without a real function, that is used to slow things down.
   * Since our emulator is slow enough already ;-) this port has no function at
   * all, but it needs to be there to avoid error messages about non-existing
   * hardware.
   **/
class CPort80 : public CSystemComponent
{
public:
  CPort80(CConfigurator* cfg, class CSystem* c);
  virtual       ~CPort80();
  virtual u64   ReadMem(int index, u64 address, int dsize);
  virtual void  WriteMem(int index, u64 address, int dsize, u64 data);
  virtual int   SaveState(FILE* f);
  virtual int   RestoreState(FILE* f);
protected:

  /// The state structure contains all elements that need to be saved to the statefile.
  struct SPort80_state
  {
    u8  p80;  /**< Last value written.*/
  } state;
};
#endif // !defined(INCLUDED_PORT80_H)