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comparison src/video/ataricommon/SDL_atarievents.c @ 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
parents
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 * Atari keyboard events manager
30 *
31 * Patrice Mandin
32 *
33 * This routines choose what the final event manager will be
34 */
35
36 #include <stdlib.h>
37 #include <string.h>
38
39 #include <sys/cookie.h>
40
41 #include "SDL.h"
42 #include "SDL_sysevents.h"
43 #include "SDL_events_c.h"
44
45 #include "SDL_atarievents_c.h"
46 #include "SDL_biosevents_c.h"
47 #include "SDL_gemdosevents_c.h"
48 #include "SDL_ikbdevents_c.h"
49
50 enum {
51 MCH_ST=0,
52 MCH_STE,
53 MCH_TT,
54 MCH_F30
55 };
56
57 void (*Atari_ShutdownEvents)(void);
58
59 static void Atari_InitializeEvents(_THIS)
60 {
61 const char *envr;
62 unsigned long cookie_mch;
63
64 /* Test if we are on an Atari machine or not */
65 if (Getcookie(C__MCH, &cookie_mch) == C_NOTFOUND) {
66 cookie_mch = 0;
67 }
68 cookie_mch >>= 16;
69
70 /* Default is Ikbd, the faster except for clones */
71 switch(cookie_mch) {
72 case MCH_ST:
73 case MCH_STE:
74 case MCH_TT:
75 case MCH_F30:
76 this->InitOSKeymap=AtariIkbd_InitOSKeymap;
77 this->PumpEvents=AtariIkbd_PumpEvents;
78 Atari_ShutdownEvents=AtariIkbd_ShutdownEvents;
79 break;
80 default:
81 this->InitOSKeymap=AtariGemdos_InitOSKeymap;
82 this->PumpEvents=AtariGemdos_PumpEvents;
83 Atari_ShutdownEvents=AtariGemdos_ShutdownEvents;
84 break;
85 }
86
87 envr = getenv("SDL_ATARI_EVENTSDRIVER");
88
89 if (!envr) {
90 return;
91 }
92
93 if (strcmp(envr, "ikbd") == 0) {
94 this->InitOSKeymap=AtariIkbd_InitOSKeymap;
95 this->PumpEvents=AtariIkbd_PumpEvents;
96 Atari_ShutdownEvents=AtariIkbd_ShutdownEvents;
97 }
98
99 if (strcmp(envr, "gemdos") == 0) {
100 this->InitOSKeymap=AtariGemdos_InitOSKeymap;
101 this->PumpEvents=AtariGemdos_PumpEvents;
102 Atari_ShutdownEvents=AtariGemdos_ShutdownEvents;
103 }
104
105 if (strcmp(envr, "bios") == 0) {
106 this->InitOSKeymap=AtariBios_InitOSKeymap;
107 this->PumpEvents=AtariBios_PumpEvents;
108 Atari_ShutdownEvents=AtariBios_ShutdownEvents;
109 }
110 }
111
112 void Atari_InitOSKeymap(_THIS)
113 {
114 Atari_InitializeEvents(this);
115
116 /* Call choosen routine */
117 this->InitOSKeymap(this);
118 }
119
120 void Atari_PumpEvents(_THIS)
121 {
122 Atari_InitializeEvents(this);
123
124 /* Call choosen routine */
125 this->PumpEvents(this);
126 }