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atari:xbios: Move all TT specific stuff to specific backend file.
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/* | ||
SDL - Simple DirectMedia Layer | ||
Copyright (C) 1997-2012 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" | ||
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/* | ||
TT Xbios video functions | ||
Patrice Mandin | ||
*/ | ||
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#include <mint/cookie.h> | ||
#include <mint/osbind.h> | ||
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#include "../SDL_sysvideo.h" | ||
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#include "SDL_xbios.h" | ||
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static const xbiosmode_t ttmodes[]={ | ||
{TT_LOW,320,480,8, XBIOSMODE_C2P}, | ||
{TT_LOW,320,240,8, XBIOSMODE_C2P|XBIOSMODE_DOUBLELINE} | ||
}; | ||
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static void listModes(_THIS, int actually_add); | ||
static void saveMode(_THIS, SDL_PixelFormat *vformat); | ||
static void setMode(_THIS, xbiosmode_t *new_video_mode); | ||
static void restoreMode(_THIS); | ||
static int setColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); | ||
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void SDL_XBIOS_VideoInit_TT(_THIS) | ||
{ | ||
XBIOS_listModes = listModes; | ||
XBIOS_saveMode = saveMode; | ||
XBIOS_setMode = setMode; | ||
XBIOS_restoreMode = restoreMode; | ||
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this->SetColors = setColors; | ||
} | ||
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static void listModes(_THIS, int actually_add) | ||
{ | ||
int i; | ||
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for (i=0; i<sizeof(ttmodes)/sizeof(xbiosmode_t); i++) { | ||
SDL_XBIOS_AddMode(this, actually_add, &ttmodes[i]); | ||
} | ||
} | ||
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static void saveMode(_THIS, SDL_PixelFormat *vformat) | ||
{ | ||
XBIOS_oldvbase=Physbase(); | ||
XBIOS_oldvmode=EgetShift(); | ||
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switch(XBIOS_oldvmode & ES_MODE) { | ||
case TT_LOW: | ||
XBIOS_oldnumcol=256; | ||
break; | ||
case ST_LOW: | ||
case TT_MED: | ||
XBIOS_oldnumcol=16; | ||
break; | ||
case ST_MED: | ||
XBIOS_oldnumcol=4; | ||
break; | ||
case ST_HIGH: | ||
case TT_HIGH: | ||
XBIOS_oldnumcol=2; | ||
break; | ||
} | ||
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if (XBIOS_oldnumcol) { | ||
EgetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette); | ||
} | ||
} | ||
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static void setMode(_THIS, xbiosmode_t *new_video_mode) | ||
{ | ||
Setscreen(-1,XBIOS_screens[0],-1); | ||
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EsetShift(new_video_mode->number); | ||
} | ||
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static void restoreMode(_THIS) | ||
{ | ||
Setscreen(-1,XBIOS_oldvbase,-1); | ||
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EsetShift(XBIOS_oldvmode); | ||
if (XBIOS_oldnumcol) { | ||
EsetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette); | ||
} | ||
} | ||
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static int setColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | ||
{ | ||
int i, r,g,b; | ||
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for(i = 0; i < ncolors; i++) { | ||
r = colors[i].r; | ||
g = colors[i].g; | ||
b = colors[i].b; | ||
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TT_palette[i]=((r>>4)<<8)|((g>>4)<<4)|(b>>4); | ||
} | ||
EsetPalette(firstcolor,ncolors,TT_palette); | ||
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return(1); | ||
} |