src/video/xbios/SDL_xbios_centscreen.h

   1 /*
   2     SDL - Simple DirectMedia Layer
   3     Copyright (C) 1997-2009 Sam Lantinga
   4
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 of the License, or (at your option) any later version.
   9
  10     This library is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     Library General Public License for more details.
  14
  15     You should have received a copy of the GNU Library General Public
  16     License along with this library; if not, write to the Free
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18
  19     Sam Lantinga
  20     slouken@libsdl.org
  21 */
  22 #include "SDL_config.h"
  23
  24 /*
  25         Centscreen extension definitions
  26
  27         Patrice Mandin
  28 */
  29
  30 #ifndef _SDL_xbios_centscreen_h
  31 #define _SDL_xbios_centscreen_h
  32
  33 #include <mint/falcon.h>        /* for trap_14_xxx macros */
  34
  35 #include "SDL_xbios.h"
  36
  37 /*--- Defines ---*/
  38
  39 #ifndef C_CNTS
  40 #define C_CNTS 0x434e5453L
  41 #endif
  42
  43 #define CSCREEN_ENERGYSTAR              (1<<9)
  44 #define CSCREEN_SAVER                   (1<<10)
  45 #define CSCREEN_VIRTUAL                 (1<<11)
  46 #define CSCREEN_EXTCLOCK_CT2    (1<<12)
  47 #define CSCREEN_EXTCLOCK                (1<<13)
  48 #define CSCREEN_STANDARD                (1<<14)
  49 #define CSCREEN_DEFAULT                 (1<<15)
  50
  51 /*--- Structures ---*/
  52
  53 typedef struct {
  54         unsigned short  handle; /* videomode handle */
  55         unsigned short  mode;   /* Falcon videomode code */
  56         unsigned short  physx;  /* visible width */
  57         unsigned short  physy;  /* visible height */
  58         unsigned short  plan;   /* bitplanes */
  59         unsigned short  logx;   /* virtual width */
  60         unsigned short  logy;   /* virtual height */
  61         unsigned short  eco;    /* screen saver delay */
  62         unsigned short  eco2;   /* energy star screen saver delay */
  63         unsigned short  wsize;  /* screen width (mm) */
  64         unsigned short  hsize;  /* screen height (mm) */
  65         unsigned short  dummy[21];
  66         unsigned char   name[32];       /* videomode name */
  67 } __attribute__((packed)) centscreen_mode_t;
  68
  69 /*--- Functions prototypes ---*/
  70
  71 #define Vread(current_mode)     \
  72         (void)trap_14_wl((short)0x41,(long)(current_mode))
  73 #define Vwrite(init_vdi, inparam, outparam)     \
  74         (long)trap_14_wwll((short)0x42,(short)(init_vdi),(long)(inparam),(long)(outparam))
  75 #define Vattrib(inparam, outparam)      \
  76         (void)trap_14_wll((short)0x43,(long)(inparam),(long)(outparam))
  77 #define Vcreate(inparam, outparam)      \
  78         (void)trap_14_wll((short)0x44,(long)(inparam),(long)(outparam))
  79 #define Vdelete(handle) \
  80         (long)trap_14_ww((short)0x45,(short)(handle))
  81 #define Vfirst(mask,mode)       \
  82         (long)trap_14_wll((short)0x46,(long)(mask),(long)(mode))
  83 #define Vnext(mask,mode)        \
  84         (long)trap_14_wll((short)0x47,(long)(mask),(long)(mode))
  85 #define Vvalid(handle)  \
  86         (long)trap_14_ww((short)0x48,(short)(handle))
  87 #define Vload() \
  88         (long)trap_14_w((short)0x49)
  89 #define Vsave() \
  90         (long)trap_14_w((short)0x4a)
  91 #define Vopen() \
  92         (long)trap_14_w((short)0x4b)
  93 #define Vclose()        \
  94         (long)trap_14_w((short)0x4c)
  95 #define Vscroll(scrollmode)     \
  96         (long)trap_14_ww((short)0x4d,(short)(scrollmode))
  97 #define Voffset()       \
  98         (long)trap_14_w((short)0x4e)
  99 #define Vseek() \
 100         (long)trap_14_w((short)0x4f)
 101 #define Vlock(cmd)      \
 102         (long)trap_14_ww((short)0x50,(short)(cmd))
 103 #define SetMon(montype) \
 104         (long)trap_14_ww((short)0x51,(short)(montype))
 105 #define MultiMon(cmd)   \
 106         (long)trap_14_ww((short)0x52,(short)(cmd))
 107 #define VSizeComp()     \
 108         (long)trap_14_w((short)0x53)
 109 #define Vsize(mode)     \
 110         (long)trap_14_wl((short)0x54,(long)(mode))
 111
 112 /*--- Functions prototypes ---*/
 113
 114 int SDL_XBIOS_ListCentscreenModes(_THIS, int actually_add);
 115 void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes);
 116 void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle);
 117
 118 #endif /* _SDL_xbios_centscreen_h */