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comparison 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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280:0ddcea45d829 281:c5010ab8ba35
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 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
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id$";
26 #endif
27
28 /*
29 * Chunky to planar conversion routine
30 * for 68060 CPU, without movep instruction
31 * 1 byte/pixel -> 4 or 8 bit planes
32 *
33 * Patrice Mandin
34 */
35
36 #ifndef _SDL_ATARI_C2P060_H_
37 #define _SDL_ATARI_C2P060_H_
38
39 /*--- Variables ---*/
40
41 extern int atari_cpu060_avail;
42
43 /*--- Functions ---*/
44
45 extern void atari_test_cpu060_present(void);
46
47 extern void Atari_C2pConvert8_060(
48 Uint8 *src, /* Source screen (one byte=one pixel) */
49 Uint8 *dest, /* Destination (8 bits planes) */
50 Uint32 width, /* Dimensions of screen to convert */
51 Uint32 height,
52 Uint32 dblligne, /* Double the lines when converting ? */
53 Uint32 srcpitch, /* Length of one source line in bytes */
54 Uint32 dstpitch /* Length of one destination line in bytes */
55 );
56
57 extern void Atari_C2pConvert4_060(
58 Uint8 *src, /* Source screen (one byte=one pixel) */
59 Uint8 *dest, /* Destination (4 bits planes) */
60 Uint32 width, /* Dimensions of screen to convert */
61 Uint32 height,
62 Uint32 dblligne, /* Double the lines when converting ? */
63 Uint32 srcpitch, /* Length of one source line in bytes */
64 Uint32 dstpitch /* Length of one destination line in bytes */
65 );
66
67 #endif /* _SDL_ATARI_C2P060_H_ */