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annotate src/video/xbios/SDL_xbios_tveille.h @ 4361:991e4bcfc7a8 SDL-1.2

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Added an error message for when ALSA audio fails
author Sam Lantinga <slouken@libsdl.org>
date Mon, 19 Oct 2009 05:15:21 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /*
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25 Turbo veille screensaver
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26
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27 Patrice Mandin
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28 */
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29
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30 #ifndef _SDL_xbios_tveille_h
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31 #define _SDL_xbios_tveille_h
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32
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33 #include "SDL_xbios.h"
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34
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35 /*--- Defines ---*/
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36
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37 #ifndef C_VeiL
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38 #define C_VeiL 0x5665694CL
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39 #endif
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40
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41 /*--- Structures ---*/
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42
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43 typedef struct {
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44 unsigned long version;
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45 void (*prg_ptr)();
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46 void (*kbd_ptr)();
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47 void (*vbl_ptr)();
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48 unsigned long vbl_count;
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49 void (*oldkbd_ptr)();
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50 unsigned long off_count;
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51 unsigned long prg_size;
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52 unsigned long dummy1[4];
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53 unsigned char dummy2;
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54 unsigned char status;
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55 unsigned short freq;
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56 unsigned short dummy3;
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57 unsigned char clear_first;
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58 unsigned char enabled; /* 0=enabled, 0xff=disabled */
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59 unsigned char serial_redir;
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60 unsigned char dummy4;
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61 void (*oldserial_ptr)();
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62 } __attribute__((packed)) tveille_t;
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63
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64 /*--- Functions prototypes ---*/
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65
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66 int SDL_XBIOS_TveillePresent(_THIS);
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67 void SDL_XBIOS_TveilleDisable(_THIS);
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68 void SDL_XBIOS_TveilleEnable(_THIS);
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69
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70 #endif /* _SDL_xbios_tveille_h */