/*

    SDL - Simple DirectMedia Layer

    Copyright (C) 1997-2004 Sam Lantinga

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Library 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

    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public

    License along with this library; if not, write to the Free

    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Sam Lantinga

    slouken@libsdl.org

*/

#include "SDL_config.h"

/*

	Turbo veille screensaver

	Patrice Mandin

*/

#ifndef _SDL_xbios_tveille_h

#define _SDL_xbios_tveille_h

#include "SDL_xbios.h"

/*--- Defines ---*/

#ifndef C_VeiL

#define C_VeiL 0x5665694CL

#endif

/*--- Structures ---*/

typedef struct {

	unsigned long	version;

	void		(*prg_ptr)();

	void		(*kbd_ptr)();

	void		(*vbl_ptr)();

	unsigned long	vbl_count;

	void		(*oldkbd_ptr)();

	unsigned long	off_count;

	unsigned long	prg_size;

	unsigned long	dummy1[4];

	unsigned char	dummy2;

	unsigned char	status;

	unsigned short	freq;

	unsigned short	dummy3;

	unsigned char	clear_first;

	unsigned char	enabled;	/* 0=enabled, 0xff=disabled */

	unsigned char	serial_redir;

	unsigned char	dummy4;

	void		(*oldserial_ptr)();

} __attribute__((packed)) tveille_t;

/*--- Functions prototypes ---*/

int SDL_XBIOS_TveillePresent(_THIS);

void SDL_XBIOS_TveilleDisable(_THIS);

void SDL_XBIOS_TveilleEnable(_THIS);

#endif /* _SDL_xbios_tveille_h */