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annotate src/video/ataricommon/SDL_atarievents.c @ 2655:b8e736c8a5a8 gsoc2008_audio_resampling

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Added beginnings of resampling code.
author Aaron Wishnick <schnarf@gmail.com>
date Wed, 18 Jun 2008 04:51:10 +0000
parents adf732f1f016
children 99210400e8b9
rev   line source
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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
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26 *
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27 * Patrice Mandin
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28 *
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29 * This routines choose what the final event manager will be
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30 */
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31
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32 #include <mint/cookie.h>
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33 #include <mint/ostruct.h>
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34 #include <mint/osbind.h>
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35
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36 #include "../../events/SDL_sysevents.h"
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37 #include "../../events/SDL_events_c.h"
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38
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39 #include "SDL_atarikeys.h"
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40 #include "SDL_atarievents_c.h"
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41 #include "SDL_biosevents_c.h"
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42 #include "SDL_gemdosevents_c.h"
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43 #include "SDL_ikbdevents_c.h"
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44
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45 enum
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46 {
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47 MCH_ST = 0,
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48 MCH_STE,
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49 MCH_TT,
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50 MCH_F30,
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51 MCH_CLONE,
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52 MCH_ARANYM
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53 };
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54
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55 #ifndef KT_NOCHANGE
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56 # define KT_NOCHANGE -1
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57 #endif
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58
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59 /* The translation tables from a console scancode to a SDL keysym */
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60 static SDLKey keymap[ATARIBIOS_MAXKEYS];
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61 static unsigned char *keytab_normal;
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62
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63 void (*SDL_Atari_ShutdownEvents) (void);
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64
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65 static void
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66 SDL_Atari_InitializeEvents(_THIS)
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67 {
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68 const char *envr;
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69 unsigned long cookie_mch;
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70
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71 /* Test if we are on an Atari machine or not */
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72 if (Getcookie(C__MCH, &cookie_mch) == C_NOTFOUND) {
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73 cookie_mch = 0;
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74 }
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75 cookie_mch >>= 16;
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76
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77 /* Default is Ikbd, the faster except for clones */
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78 switch (cookie_mch) {
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79 case MCH_ST:
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80 case MCH_STE:
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81 case MCH_TT:
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82 case MCH_F30:
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83 case MCH_ARANYM:
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84 _this->PumpEvents = AtariIkbd_PumpEvents;
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85 SDL_Atari_ShutdownEvents = AtariIkbd_ShutdownEvents;
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86 break;
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87 default:
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88 _this->PumpEvents = AtariGemdos_PumpEvents;
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89 SDL_Atari_ShutdownEvents = AtariGemdos_ShutdownEvents;
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90 break;
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91 }
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92
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93 envr = SDL_getenv("SDL_ATARI_EVENTSDRIVER");
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94
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95 if (!envr) {
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96 return;
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97 }
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98
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99 if (SDL_strcmp(envr, "ikbd") == 0) {
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100 _this->PumpEvents = AtariIkbd_PumpEvents;
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101 SDL_Atari_ShutdownEvents = AtariIkbd_ShutdownEvents;
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102 }
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103
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104 if (SDL_strcmp(envr, "gemdos") == 0) {
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105 _this->PumpEvents = AtariGemdos_PumpEvents;
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106 SDL_Atari_ShutdownEvents = AtariGemdos_ShutdownEvents;
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107 }
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108
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109 if (SDL_strcmp(envr, "bios") == 0) {
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110 _this->PumpEvents = AtariBios_PumpEvents;
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111 SDL_Atari_ShutdownEvents = AtariBios_ShutdownEvents;
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112 }
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113
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114 SDL_Atari_InitInternalKeymap(_this);
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115 }
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116
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117 void
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118 Atari_PumpEvents(_THIS)
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119 {
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120 Atari_InitializeEvents(_this);
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121
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122 /* Call choosen routine */
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123 _this->PumpEvents(_this);
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124 }
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125
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126 void
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127 SDL_Atari_InitInternalKeymap(_THIS)
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128 {
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129 int i;
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130 _KEYTAB *key_tables;
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131
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132 /* Read system tables for scancode -> ascii translation */
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133 key_tables = (_KEYTAB *) Keytbl(KT_NOCHANGE, KT_NOCHANGE, KT_NOCHANGE);
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134 keytab_normal = key_tables->unshift;
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diff changeset
135
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136 /* Initialize keymap */
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137 for (i = 0; i < ATARIBIOS_MAXKEYS; i++)
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138 keymap[i] = SDLK_UNKNOWN;
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139
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140 /* Functions keys */
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141 for (i = 0; i < 10; i++)
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142 keymap[SCANCODE_F1 + i] = SDLK_F1 + i;
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143
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144 /* Cursor keypad */
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145 keymap[SCANCODE_HELP] = SDLK_HELP;
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146 keymap[SCANCODE_UNDO] = SDLK_UNDO;
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147 keymap[SCANCODE_INSERT] = SDLK_INSERT;
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148 keymap[SCANCODE_CLRHOME] = SDLK_HOME;
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149 keymap[SCANCODE_UP] = SDLK_UP;
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150 keymap[SCANCODE_DOWN] = SDLK_DOWN;
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151 keymap[SCANCODE_RIGHT] = SDLK_RIGHT;
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152 keymap[SCANCODE_LEFT] = SDLK_LEFT;
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153
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154 /* Special keys */
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155 keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
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156 keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
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157 keymap[SCANCODE_TAB] = SDLK_TAB;
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158 keymap[SCANCODE_ENTER] = SDLK_RETURN;
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159 keymap[SCANCODE_DELETE] = SDLK_DELETE;
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160 keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
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161 keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
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162 keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
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163 keymap[SCANCODE_LEFTALT] = SDLK_LALT;
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164 keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
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165 }
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166
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167 /* Atari to Unicode charset translation table */
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168
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169 Uint16 SDL_AtariToUnicodeTable[256] = {
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170 /* Standard ASCII characters from 0x00 to 0x7e */
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171 /* Unicode stuff from 0x7f to 0xff */
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172
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173 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
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174 0x0008, 0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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175 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
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176 0x0018, 0x0019, 0x001A, 0x001B, 0x001C, 0x001D, 0x001E, 0x001F,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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177 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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178 0x0028, 0x0029, 0x002A, 0x002B, 0x002C, 0x002D, 0x002E, 0x002F,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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179 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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180 0x0038, 0x0039, 0x003A, 0x003B, 0x003C, 0x003D, 0x003E, 0x003F,
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181
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182 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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183 0x0048, 0x0049, 0x004A, 0x004B, 0x004C, 0x004D, 0x004E, 0x004F,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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184 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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185 0x0058, 0x0059, 0x005A, 0x005B, 0x005C, 0x005D, 0x005E, 0x005F,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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186 0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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187 0x0068, 0x0069, 0x006A, 0x006B, 0x006C, 0x006D, 0x006E, 0x006F,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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188 0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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189 0x0078, 0x0079, 0x007A, 0x007B, 0x007C, 0x007D, 0x007E, 0x0394,
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190
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191 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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192 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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193 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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194 0x00FF, 0x00D6, 0x00DC, 0x00A2, 0x00A3, 0x00A5, 0x00DF, 0x0192,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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195 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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196 0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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197 0x00C3, 0x00F5, 0x00D8, 0x00F8, 0x0153, 0x0152, 0x00C0, 0x00C3,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
198 0x00D5, 0x00A8, 0x00B4, 0x2020, 0x00B6, 0x00A9, 0x00AE, 0x2122,
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diff changeset
199
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200 0x0133, 0x0132, 0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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201 0x05D6, 0x05D7, 0x05D8, 0x05D9, 0x05DB, 0x05DC, 0x05DE, 0x05E0,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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202 0x05E1, 0x05E2, 0x05E4, 0x05E6, 0x05E7, 0x05E8, 0x05E9, 0x05EA,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
203 0x05DF, 0x05DA, 0x05DD, 0x05E3, 0x05E5, 0x00A7, 0x2038, 0x221E,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
204 0x03B1, 0x03B2, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
205 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x222E, 0x03C6, 0x2208, 0x2229,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
206 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
207 0x00B0, 0x2022, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x00B3, 0x00AF
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diff changeset
208 };
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209
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diff changeset
210 SDL_keysym *
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diff changeset
211 SDL_Atari_TranslateKey(int scancode, SDL_keysym * keysym, SDL_bool pressed)
2030
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diff changeset
212 {
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diff changeset
213 int asciicode = 0;
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diff changeset
214
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diff changeset
215 /* Set the keysym information */
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216 keysym->scancode = scancode;
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diff changeset
217 keysym->mod = KMOD_NONE;
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diff changeset
218 keysym->sym = keymap[scancode];
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219 keysym->unicode = 0;
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diff changeset
220
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diff changeset
221 if (keysym->sym == SDLK_UNKNOWN) {
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diff changeset
222 keysym->sym = asciicode = keytab_normal[scancode];
2030
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diff changeset
223 }
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diff changeset
224
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225 if (SDL_TranslateUNICODE && pressed) {
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diff changeset
226 keysym->unicode = SDL_AtariToUnicodeTable[asciicode];
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diff changeset
227 }
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diff changeset
228
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diff changeset
229 return (keysym);
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230 }
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diff changeset
231
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232 /* vi: set ts=4 sw=4 expandtab: */