/*

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

*/

/*

Centscreen extension definitions

Patrice Mandin

*/

#ifndef _SDL_xbios_centscreen_h

#define _SDL_xbios_centscreen_h

#include <mint/falcon.h> /* for trap_14_xxx macros */

#include "SDL_xbios.h"

/*--- Defines ---*/

#ifndef C_CNTS

#define C_CNTS 0x434e5453L

#endif

#define CSCREEN_ENERGYSTAR (1<<9)

#define CSCREEN_SAVER (1<<10)

#define CSCREEN_VIRTUAL (1<<11)

#define CSCREEN_EXTCLOCK_CT2 (1<<12)

#define CSCREEN_EXTCLOCK (1<<13)

#define CSCREEN_STANDARD (1<<14)

#define CSCREEN_DEFAULT (1<<15)

/*--- Structures ---*/

typedef struct {

unsigned short handle; /* videomode handle */

unsigned short mode; /* Falcon videomode code */

unsigned short physx; /* visible width */

unsigned short physy; /* visible height */

unsigned short plan; /* bitplanes */

unsigned short logx; /* virtual width */

unsigned short logy; /* virtual height */

unsigned short eco; /* screen saver delay */

unsigned short eco2; /* energy star screen saver delay */

unsigned short wsize; /* screen width (mm) */

unsigned short hsize; /* screen height (mm) */

unsigned short dummy[21];

unsigned char name[32]; /* videomode name */

} __attribute__((packed)) centscreen_mode_t;

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

#define Vread(current_mode) \

(void)trap_14_wl((short)0x41,(long)(current_mode))

#define Vwrite(init_vdi, inparam, outparam) \

(long)trap_14_wwll((short)0x42,(short)(init_vdi),(long)(inparam),(long)(outparam))

#define Vattrib(inparam, outparam) \

(void)trap_14_wll((short)0x43,(long)(inparam),(long)(outparam))

#define Vcreate(inparam, outparam) \

(void)trap_14_wll((short)0x44,(long)(inparam),(long)(outparam))

#define Vdelete(handle) \

(long)trap_14_ww((short)0x45,(short)(handle))

#define Vfirst(mask,mode) \

(long)trap_14_wll((short)0x46,(long)(mask),(long)(mode))

#define Vnext(mask,mode) \

(long)trap_14_wll((short)0x47,(long)(mask),(long)(mode))

#define Vvalid(handle) \

(long)trap_14_ww((short)0x48,(short)(handle))

#define Vload() \

(long)trap_14_w((short)0x49)

#define Vsave() \

(long)trap_14_w((short)0x4a)

#define Vopen() \

(long)trap_14_w((short)0x4b)

#define Vclose() \

(long)trap_14_w((short)0x4c)

#define Vscroll(scrollmode) \

(long)trap_14_ww((short)0x4d,(short)(scrollmode))

#define Voffset() \

(long)trap_14_w((short)0x4e)

#define Vseek() \

(long)trap_14_w((short)0x4f)

#define Vlock(cmd) \

(long)trap_14_ww((short)0x50,(short)(cmd))

#define SetMon(montype) \

(long)trap_14_ww((short)0x51,(short)(montype))

#define MultiMon(cmd) \

(long)trap_14_ww((short)0x52,(short)(cmd))

#define VSizeComp() \

(long)trap_14_w((short)0x53)

#define Vsize(mode) \

(long)trap_14_wl((short)0x54,(long)(mode))

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

int SDL_XBIOS_CentscreenInit(_THIS);

void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes);

void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle);

#endif /* _SDL_xbios_centscreen_h */