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annotate src/video/ataricommon/SDL_ataric2p060_c.h @ 281:c5010ab8ba35

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Added initial support for Atari (thanks Patrice!)
author Sam Lantinga <slouken@libsdl.org>
date Sun, 17 Feb 2002 19:54:28 +0000
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children f6ffac90895c
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 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
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /*
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29 * Chunky to planar conversion routine
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30 * for 68060 CPU, without movep instruction
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31 * 1 byte/pixel -> 4 or 8 bit planes
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32 *
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33 * Patrice Mandin
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34 */
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35
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36 #ifndef _SDL_ATARI_C2P060_H_
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37 #define _SDL_ATARI_C2P060_H_
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38
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39 /*--- Variables ---*/
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40
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41 extern int atari_cpu060_avail;
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42
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43 /*--- Functions ---*/
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44
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45 extern void atari_test_cpu060_present(void);
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46
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47 extern void Atari_C2pConvert8_060(
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48 Uint8 *src, /* Source screen (one byte=one pixel) */
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49 Uint8 *dest, /* Destination (8 bits planes) */
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50 Uint32 width, /* Dimensions of screen to convert */
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51 Uint32 height,
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52 Uint32 dblligne, /* Double the lines when converting ? */
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53 Uint32 srcpitch, /* Length of one source line in bytes */
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54 Uint32 dstpitch /* Length of one destination line in bytes */
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55 );
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56
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57 extern void Atari_C2pConvert4_060(
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58 Uint8 *src, /* Source screen (one byte=one pixel) */
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59 Uint8 *dest, /* Destination (4 bits planes) */
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60 Uint32 width, /* Dimensions of screen to convert */
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61 Uint32 height,
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62 Uint32 dblligne, /* Double the lines when converting ? */
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63 Uint32 srcpitch, /* Length of one source line in bytes */
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64 Uint32 dstpitch /* Length of one destination line in bytes */
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65 );
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66
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67 #endif /* _SDL_ATARI_C2P060_H_ */