Bochs/bochs/iodev/gameport.h
2021-01-31 10:50:53 +00:00

64 lines
1.9 KiB
C++

/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2003-2021 The Bochs Project
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
//
#ifndef BX_IODEV_GAMEPORT_H
#define BX_IODEV_GAMEPORT_H
#if BX_USE_GAMEPORT_SMF
# define BX_GAMEPORT_SMF static
# define BX_GAMEPORT_THIS theGameport->
#else
# define BX_GAMEPORT_SMF
# define BX_GAMEPORT_THIS this->
#endif
class bx_gameport_c : public bx_game_stub_c {
public:
bx_gameport_c();
virtual ~bx_gameport_c();
virtual void init(void);
virtual void reset(unsigned type);
virtual void register_state(void);
virtual void set_enabled(bool val) {enabled = val;}
private:
bool enabled;
int joyfd;
Bit8u port;
Bit16u delay_x;
Bit16u delay_y;
bool timer_x;
bool timer_y;
Bit64u write_usec;
BX_GAMEPORT_SMF void poll_joydev(void);
static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
#if !BX_USE_GAMEPORT_SMF
Bit32u read(Bit32u address, unsigned io_len);
void write(Bit32u address, Bit32u value, unsigned io_len);
#endif
};
#endif