Mercurial > sdl-ios-xcode
annotate src/video/ataricommon/SDL_biosevents.c @ 1549:066236f0cbf0
Implemented RISC OS and OS/2 desktop resolution code (thanks to Alan and Doodle)
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 18 Mar 2006 22:42:09 +0000 |
parents | 2405517b5eab |
children | 782fd950bd46 c121d94672cb f1816773a309 |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2006 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 Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 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 Lesser 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 Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 * Atari keyboard events manager, using BIOS |
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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 /* Mint includes */ |
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31 #include <mint/osbind.h> |
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32 #include <mint/cookie.h> |
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33 |
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34 #include "../../events/SDL_sysevents.h" |
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35 #include "../../events/SDL_events_c.h" |
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36 |
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37 #include "SDL_atarikeys.h" |
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38 #include "SDL_atarievents_c.h" |
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39 #include "SDL_xbiosevents_c.h" |
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40 #include "SDL_ataridevmouse_c.h" |
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41 |
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42 /* To save state of keyboard */ |
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43 #define ATARIBIOS_MAXKEYS 128 |
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44 |
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45 static unsigned char bios_currentkeyboard[ATARIBIOS_MAXKEYS]; |
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46 static unsigned char bios_previouskeyboard[ATARIBIOS_MAXKEYS]; |
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47 static unsigned char bios_currentascii[ATARIBIOS_MAXKEYS]; |
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48 static SDL_bool use_dev_mouse = SDL_FALSE; |
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49 |
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50 /* Special keys state */ |
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51 enum { |
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52 K_RSHIFT=0, |
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53 K_LSHIFT, |
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54 K_CTRL, |
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55 K_ALT, |
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56 K_CAPSLOCK, |
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57 K_CLRHOME, |
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58 K_INSERT |
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59 }; |
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60 |
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61 /* The translation tables from a console scancode to a SDL keysym */ |
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62 static SDLKey keymap[ATARIBIOS_MAXKEYS]; |
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63 |
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64 static SDL_keysym *TranslateKey(int scancode, int asciicode, SDL_keysym *keysym, |
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65 SDL_bool pressed); |
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66 static void UpdateSpecialKeys(int special_keys_state); |
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67 |
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68 void AtariBios_InitOSKeymap(_THIS) |
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69 { |
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70 int i, vectors_mask; |
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71 unsigned long dummy; |
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72 |
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73 SDL_memset(bios_currentkeyboard, 0, sizeof(bios_currentkeyboard)); |
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74 SDL_memset(bios_previouskeyboard, 0, sizeof(bios_previouskeyboard)); |
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75 |
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76 /* Initialize keymap */ |
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77 for ( i=0; i<sizeof(keymap); i++ ) |
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78 keymap[i] = SDLK_UNKNOWN; |
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79 |
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80 /* Functions keys */ |
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81 for ( i = 0; i<10; i++ ) |
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82 keymap[SCANCODE_F1 + i] = SDLK_F1+i; |
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83 |
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84 /* Cursor keypad */ |
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85 keymap[SCANCODE_HELP] = SDLK_HELP; |
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86 keymap[SCANCODE_UNDO] = SDLK_UNDO; |
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87 keymap[SCANCODE_INSERT] = SDLK_INSERT; |
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88 keymap[SCANCODE_CLRHOME] = SDLK_HOME; |
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89 keymap[SCANCODE_UP] = SDLK_UP; |
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90 keymap[SCANCODE_DOWN] = SDLK_DOWN; |
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91 keymap[SCANCODE_RIGHT] = SDLK_RIGHT; |
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92 keymap[SCANCODE_LEFT] = SDLK_LEFT; |
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93 |
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94 /* Special keys */ |
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95 keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE; |
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96 keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE; |
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97 keymap[SCANCODE_TAB] = SDLK_TAB; |
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98 keymap[SCANCODE_ENTER] = SDLK_RETURN; |
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99 keymap[SCANCODE_DELETE] = SDLK_DELETE; |
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100 keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL; |
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101 keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT; |
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102 keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT; |
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103 keymap[SCANCODE_LEFTALT] = SDLK_LALT; |
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104 keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK; |
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105 |
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106 use_dev_mouse = (SDL_AtariDevMouse_Open()!=0) ? SDL_TRUE : SDL_FALSE; |
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107 |
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108 vectors_mask = ATARI_XBIOS_JOYSTICKEVENTS; /* XBIOS joystick events */ |
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109 if (!use_dev_mouse) { |
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110 vectors_mask |= ATARI_XBIOS_MOUSEEVENTS; /* XBIOS mouse events */ |
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111 } |
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112 if (Getcookie(C_MiNT, &dummy)==C_FOUND) { |
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113 vectors_mask = 0; |
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114 } |
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115 |
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116 SDL_AtariXbios_InstallVectors(vectors_mask); |
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117 } |
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118 |
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119 void AtariBios_PumpEvents(_THIS) |
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120 { |
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121 int i; |
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122 SDL_keysym keysym; |
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123 |
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124 /* Update pressed keys */ |
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125 SDL_memset(bios_currentkeyboard, 0, ATARIBIOS_MAXKEYS); |
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126 |
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127 while (Bconstat(_CON)) { |
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128 unsigned long key_pressed; |
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129 unsigned char asciicode, scancode; |
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130 |
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131 key_pressed=Bconin(_CON); |
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132 |
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133 asciicode = key_pressed; |
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134 scancode = key_pressed >> 16; |
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135 |
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136 bios_currentkeyboard[scancode]=0xFF; |
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137 bios_currentascii[scancode]=asciicode; |
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138 } |
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139 |
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140 /* Read special keys */ |
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141 UpdateSpecialKeys(Kbshift(-1)); |
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142 |
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143 /* Now generate events */ |
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144 for (i=0; i<ATARIBIOS_MAXKEYS; i++) { |
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145 /* Key pressed ? */ |
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146 if (bios_currentkeyboard[i] && !bios_previouskeyboard[i]) |
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147 SDL_PrivateKeyboard(SDL_PRESSED, |
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148 TranslateKey(i, bios_currentascii[i], &keysym, SDL_TRUE)); |
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149 |
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150 /* Key unpressed ? */ |
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151 if (bios_previouskeyboard[i] && !bios_currentkeyboard[i]) |
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152 SDL_PrivateKeyboard(SDL_RELEASED, |
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153 TranslateKey(i, bios_currentascii[i], &keysym, SDL_FALSE)); |
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154 } |
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155 |
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156 if (use_dev_mouse) { |
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157 SDL_AtariDevMouse_PostMouseEvents(this, SDL_TRUE); |
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158 } else { |
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159 SDL_AtariXbios_PostMouseEvents(this, SDL_TRUE); |
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160 } |
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161 |
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162 /* Will be previous table */ |
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163 SDL_memcpy(bios_previouskeyboard, bios_currentkeyboard, ATARIBIOS_MAXKEYS); |
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164 } |
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165 |
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166 static void UpdateSpecialKeys(int special_keys_state) |
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167 { |
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168 #define UPDATE_SPECIAL_KEYS(numbit,scancode) \ |
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169 { \ |
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170 if (special_keys_state & (1<<(numbit))) { \ |
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171 bios_currentkeyboard[scancode]=0xFF; \ |
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172 bios_currentascii[scancode]=0; \ |
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173 } \ |
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174 } |
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175 |
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176 UPDATE_SPECIAL_KEYS(K_RSHIFT, SCANCODE_RIGHTSHIFT); |
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177 UPDATE_SPECIAL_KEYS(K_LSHIFT, SCANCODE_LEFTSHIFT); |
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178 UPDATE_SPECIAL_KEYS(K_CTRL, SCANCODE_LEFTCONTROL); |
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179 UPDATE_SPECIAL_KEYS(K_ALT, SCANCODE_LEFTALT); |
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180 UPDATE_SPECIAL_KEYS(K_CAPSLOCK, SCANCODE_CAPSLOCK); |
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181 } |
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182 |
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183 static SDL_keysym *TranslateKey(int scancode, int asciicode, SDL_keysym *keysym, |
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184 SDL_bool pressed) |
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185 { |
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186 /* Set the keysym information */ |
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187 keysym->scancode = scancode; |
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188 |
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189 if (asciicode) |
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190 keysym->sym = asciicode; |
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191 else |
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192 keysym->sym = keymap[scancode]; |
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193 |
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194 keysym->mod = KMOD_NONE; |
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195 keysym->unicode = 0; |
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196 if (SDL_TranslateUNICODE && pressed) { |
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197 keysym->unicode = SDL_AtariToUnicodeTable[asciicode]; |
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198 } |
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199 |
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200 return(keysym); |
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201 } |
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202 |
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203 void AtariBios_ShutdownEvents(void) |
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204 { |
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205 SDL_AtariXbios_RestoreVectors(); |
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206 if (use_dev_mouse) { |
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207 SDL_AtariDevMouse_Close(); |
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208 } |
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209 } |