/*    SDL - Simple DirectMedia Layer    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  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*/#ifdef SAVE_RCSIDstatic char rcsid = "@(#) $Id: SDL_xbios.h,v 1.2 2002/03/06 11:23:08 slouken Exp $";#endif#ifndef _SDL_xbios_h#define _SDL_xbios_h#include "SDL_types.h"#include "SDL_sysvideo.h"/* Hidden "this" pointer for the video functions */#define _THIS	SDL_VideoDevice *this/* TT video modes:	2   Falcon RVB:		16 (could be *2 by adding PAL/NTSC modes)   Falcon VGA:		6   ST low:		1*/#define SDL_NUMMODES 16typedef struct{	Uint16 number;		/* Video mode number */	Uint16 width;		/* Size */		Uint16 height;	Uint16 depth;		/* bits per plane */	SDL_bool doubleline;	/* Double the lines ? */} xbiosmode_t;/* Private display data */#define NUM_MODELISTS	2		/* 8 and 16 bits-per-pixel */struct SDL_PrivateVideoData {	long cookie_vdo;	int old_video_mode;				/* Old video mode before entering SDL */	void *old_video_base;			/* Old pointer to screen buffer */	void *old_palette;				/* Old palette */	Uint32 old_num_colors;			/* Nb of colors in saved palette */	int num_modes;					/* Number of xbios video modes */	xbiosmode_t	*mode_list;			/* List of xbios video modes */	void *screens[2];		/* Pointers to aligned screen buffer */	void *screensmem[2];	/* Pointers to screen buffer */	void *shadowscreen;		/* Shadow screen for c2p conversion */	int doubleline;			/* Double line mode ? */	int frame_number;		/* Number of frame for double buffer */	int pitch;				/* Destination line width for C2P */	int width, height;		/* Screen size for centered C2P */	SDL_Rect *SDL_modelist[NUM_MODELISTS][SDL_NUMMODES+1];	xbiosmode_t *videomodes[NUM_MODELISTS][SDL_NUMMODES+1];};/* _VDO cookie values */enum {	VDO_ST=0,	VDO_STE,	VDO_TT,	VDO_F30};/* Monitor types */enum {	MONITOR_MONO=0,	MONITOR_TV,	MONITOR_VGA,	MONITOR_RGB};/* EgetShift masks */#define ES_BANK		0x000f#define ES_MODE		0x0700#define ES_GRAY		0x1000#define ES_SMEAR	0x8000/* TT shifter modes */#define ST_LOW	0x0000#define ST_MED	0x0100#define ST_HIGH	0x0200#define TT_LOW	0x0700#define TT_MED	0x0300#define TT_HIGH	0x0600/* Hidden structure -> variables names */#define SDL_modelist		(this->hidden->SDL_modelist)#define XBIOS_mutex		    (this->hidden->mutex)#define XBIOS_cvdo		    (this->hidden->cookie_vdo)#define XBIOS_oldpalette	(this->hidden->old_palette)#define XBIOS_oldnumcol		(this->hidden->old_num_colors)#define XBIOS_oldvbase		(this->hidden->old_video_base)#define XBIOS_oldvmode		(this->hidden->old_video_mode)#define XBIOS_nummodes		(this->hidden->num_modes)#define XBIOS_modelist		(this->hidden->mode_list)#define XBIOS_screens		(this->hidden->screens)#define XBIOS_screensmem	(this->hidden->screensmem)#define XBIOS_shadowscreen	(this->hidden->shadowscreen)#define XBIOS_videomodes	(this->hidden->videomodes)#define XBIOS_doubleline	(this->hidden->doubleline)#define XBIOS_fbnum			(this->hidden->frame_number)#define XBIOS_pitch			(this->hidden->pitch)#define XBIOS_width			(this->hidden->width)#define XBIOS_height		(this->hidden->height)#endif /* _SDL_xbios_h */