2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2009 Sam Lantinga
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
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 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "SDL_config.h"
25 * Atari keyboard events manager, using Gemdos
31 #include <mint/osbind.h>
32 #include <mint/cookie.h>
34 #include "../../events/SDL_sysevents.h"
35 #include "../../events/SDL_events_c.h"
37 #include "SDL_atarikeys.h"
38 #include "SDL_atarievents_c.h"
39 #include "SDL_xbiosevents_c.h"
40 #include "SDL_ataridevmouse_c.h"
42 /* To save state of keyboard */
44 static unsigned char gemdos_currentkeyboard[ATARIBIOS_MAXKEYS];
45 static unsigned char gemdos_previouskeyboard[ATARIBIOS_MAXKEYS];
46 static SDL_bool use_dev_mouse = SDL_FALSE;
55 static void UpdateSpecialKeys(int special_keys_state);
57 void AtariGemdos_InitOSKeymap(_THIS)
62 SDL_memset(gemdos_currentkeyboard, 0, sizeof(gemdos_currentkeyboard));
63 SDL_memset(gemdos_previouskeyboard, 0, sizeof(gemdos_previouskeyboard));
65 use_dev_mouse = (SDL_AtariDevMouse_Open()!=0) ? SDL_TRUE : SDL_FALSE;
67 vectors_mask = ATARI_XBIOS_JOYSTICKEVENTS; /* XBIOS joystick events */
69 vectors_mask |= ATARI_XBIOS_MOUSEEVENTS; /* XBIOS mouse events */
71 /* if (Getcookie(C_MiNT, &dummy)==C_FOUND) {
74 SDL_AtariXbios_InstallVectors(vectors_mask);
77 void AtariGemdos_PumpEvents(_THIS)
82 /* Update pressed keys */
83 SDL_memset(gemdos_currentkeyboard, 0, ATARIBIOS_MAXKEYS);
85 while (Cconis()!=DEV_BUSY) {
86 unsigned long key_pressed;
88 gemdos_currentkeyboard[(key_pressed>>16)&(ATARIBIOS_MAXKEYS-1)]=0xFF;
91 /* Read special keys */
92 UpdateSpecialKeys(Kbshift(-1));
94 /* Now generate events */
95 for (i=0; i<ATARIBIOS_MAXKEYS; i++) {
97 if (gemdos_currentkeyboard[i] && !gemdos_previouskeyboard[i])
98 SDL_PrivateKeyboard(SDL_PRESSED,
99 SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE));
101 /* Key unpressed ? */
102 if (gemdos_previouskeyboard[i] && !gemdos_currentkeyboard[i])
103 SDL_PrivateKeyboard(SDL_RELEASED,
104 SDL_Atari_TranslateKey(i, &keysym, SDL_FALSE));
108 SDL_AtariDevMouse_PostMouseEvents(this, SDL_TRUE);
110 SDL_AtariXbios_PostMouseEvents(this, SDL_TRUE);
113 /* Will be previous table */
114 SDL_memcpy(gemdos_previouskeyboard, gemdos_currentkeyboard, sizeof(gemdos_previouskeyboard));
117 static void UpdateSpecialKeys(int special_keys_state)
119 #define UPDATE_SPECIAL_KEYS(numbit,scancode) \
121 if (special_keys_state & (1<<(numbit))) { \
122 gemdos_currentkeyboard[scancode]=0xFF; \
126 UPDATE_SPECIAL_KEYS(K_RSHIFT, SCANCODE_RIGHTSHIFT);
127 UPDATE_SPECIAL_KEYS(K_LSHIFT, SCANCODE_LEFTSHIFT);
128 UPDATE_SPECIAL_KEYS(K_CTRL, SCANCODE_LEFTCONTROL);
129 UPDATE_SPECIAL_KEYS(K_ALT, SCANCODE_LEFTALT);
130 UPDATE_SPECIAL_KEYS(K_CAPSLOCK, SCANCODE_CAPSLOCK);
133 void AtariGemdos_ShutdownEvents(void)
135 SDL_AtariXbios_RestoreVectors();
137 SDL_AtariDevMouse_Close();