apps/plugins/sudoku/sudoku.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 Dave Chapman
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef _SUDOKU_H
  23 #define _SUDOKU_H
  24
  25 #include "plugin.h"
  26
  27 #define GAME_FILE         PLUGIN_GAMES_DIR "/sudoku.ss"
  28
  29 /* variable button definitions */
  30 #if CONFIG_KEYPAD == RECORDER_PAD
  31 #define SUDOKU_BUTTON_QUIT BUTTON_OFF
  32 #define SUDOKU_BUTTON_UP BUTTON_UP
  33 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
  34 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
  35 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
  36 #define SUDOKU_BUTTON_TOGGLE BUTTON_PLAY
  37 #define SUDOKU_BUTTON_MENU BUTTON_F1
  38 #define SUDOKU_BUTTON_POSSIBLE BUTTON_F2
  39
  40 #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
  41 #define SUDOKU_BUTTON_QUIT BUTTON_OFF
  42 #define SUDOKU_BUTTON_UP BUTTON_UP
  43 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
  44 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
  45 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
  46 #define SUDOKU_BUTTON_TOGGLE BUTTON_SELECT
  47 #define SUDOKU_BUTTON_MENU BUTTON_F1
  48 #define SUDOKU_BUTTON_POSSIBLE BUTTON_F2
  49
  50 #elif CONFIG_KEYPAD == ONDIO_PAD
  51 #define SUDOKU_BUTTON_QUIT BUTTON_OFF
  52 #define SUDOKU_BUTTON_UP BUTTON_UP
  53 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
  54 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
  55 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
  56 #define SUDOKU_BUTTON_ALTTOGGLE (BUTTON_MENU | BUTTON_DOWN)
  57 #define SUDOKU_BUTTON_TOGGLE_PRE BUTTON_MENU
  58 #define SUDOKU_BUTTON_TOGGLE (BUTTON_MENU | BUTTON_REL)
  59 #define SUDOKU_BUTTON_MENU_PRE BUTTON_MENU
  60 #define SUDOKU_BUTTON_MENU (BUTTON_MENU | BUTTON_REPEAT)
  61 #define SUDOKU_BUTTON_POSSIBLE (BUTTON_MENU | BUTTON_LEFT)
  62
  63 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
  64       (CONFIG_KEYPAD == IRIVER_H300_PAD)
  65 #define SUDOKU_BUTTON_QUIT BUTTON_OFF
  66 #define SUDOKU_BUTTON_UP BUTTON_UP
  67 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
  68 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
  69 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
  70 #define SUDOKU_BUTTON_ALTTOGGLE BUTTON_ON
  71 #define SUDOKU_BUTTON_TOGGLE BUTTON_SELECT
  72 #define SUDOKU_BUTTON_MENU BUTTON_MODE
  73 #define SUDOKU_BUTTON_POSSIBLE BUTTON_REC
  74
  75 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  76       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  77       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  78 #define SUDOKU_BUTTON_MENU       BUTTON_MENU
  79 #define SUDOKU_BUTTON_LEFT       BUTTON_SCROLL_BACK
  80 #define SUDOKU_BUTTON_RIGHT      BUTTON_SCROLL_FWD
  81 #define SUDOKU_BUTTON_CHANGEDIR  BUTTON_SELECT
  82 #define SUDOKU_BUTTON_TOGGLE     BUTTON_RIGHT
  83 #define SUDOKU_BUTTON_TOGGLEBACK BUTTON_LEFT
  84 #define SUDOKU_BUTTON_POSSIBLE   BUTTON_PLAY
  85
  86 #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
  87 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
  88 #define SUDOKU_BUTTON_UP BUTTON_UP
  89 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
  90 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
  91 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
  92 #define SUDOKU_BUTTON_TOGGLE BUTTON_SELECT
  93 #define SUDOKU_BUTTON_MENU BUTTON_PLAY
  94 #define SUDOKU_BUTTON_POSSIBLE BUTTON_REC
  95
  96 #elif (CONFIG_KEYPAD == GIGABEAT_PAD)
  97 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
  98 #define SUDOKU_BUTTON_UP BUTTON_UP
  99 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
 100 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
 101 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
 102 #define SUDOKU_BUTTON_TOGGLE BUTTON_SELECT
 103 #define SUDOKU_BUTTON_MENU BUTTON_MENU
 104 #define SUDOKU_BUTTON_POSSIBLE BUTTON_A
 105
 106 #elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
 107 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
 108 #define SUDOKU_BUTTON_UP BUTTON_UP
 109 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
 110 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
 111 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
 112 #define SUDOKU_BUTTON_TOGGLE BUTTON_SELECT
 113 #define SUDOKU_BUTTON_MENU BUTTON_MENU
 114 #define SUDOKU_BUTTON_POSSIBLE BUTTON_PLAY
 115
 116 #elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
 117 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
 118 #define SUDOKU_BUTTON_UP BUTTON_SCROLL_UP
 119 #define SUDOKU_BUTTON_DOWN BUTTON_SCROLL_DOWN
 120 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
 121 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
 122 #define SUDOKU_BUTTON_TOGGLE BUTTON_REW
 123 #define SUDOKU_BUTTON_MENU BUTTON_PLAY
 124 #define SUDOKU_BUTTON_POSSIBLE BUTTON_FF
 125
 126 #elif (CONFIG_KEYPAD == SANSA_E200_PAD)
 127 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
 128 #define SUDOKU_BUTTON_UP BUTTON_UP
 129 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
 130 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
 131 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
 132 #define SUDOKU_BUTTON_TOGGLEBACK BUTTON_SCROLL_BACK
 133 #define SUDOKU_BUTTON_TOGGLE BUTTON_SCROLL_FWD
 134 #define SUDOKU_BUTTON_MENU BUTTON_SELECT
 135 #define SUDOKU_BUTTON_POSSIBLE BUTTON_REC
 136
 137 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
 138 #define SUDOKU_BUTTON_QUIT      (BUTTON_HOME|BUTTON_REPEAT)
 139 #define SUDOKU_BUTTON_UP        BUTTON_UP
 140 #define SUDOKU_BUTTON_DOWN      BUTTON_DOWN
 141 #define SUDOKU_BUTTON_LEFT      BUTTON_LEFT
 142 #define SUDOKU_BUTTON_RIGHT     BUTTON_RIGHT
 143 #define SUDOKU_BUTTON_TOGGLEBACK BUTTON_SCROLL_BACK
 144 #define SUDOKU_BUTTON_TOGGLE    BUTTON_SCROLL_FWD
 145 #define SUDOKU_BUTTON_MENU      (BUTTON_HOME | BUTTON_REL)
 146 #define SUDOKU_BUTTON_POSSIBLE  BUTTON_SELECT
 147
 148 #elif (CONFIG_KEYPAD == SANSA_C200_PAD)
 149 #define SUDOKU_BUTTON_QUIT_PRE   BUTTON_POWER
 150 #define SUDOKU_BUTTON_QUIT       (BUTTON_POWER | BUTTON_REPEAT)
 151 #define SUDOKU_BUTTON_UP         BUTTON_UP
 152 #define SUDOKU_BUTTON_DOWN       BUTTON_DOWN
 153 #define SUDOKU_BUTTON_LEFT       BUTTON_LEFT
 154 #define SUDOKU_BUTTON_RIGHT      BUTTON_RIGHT
 155 #define SUDOKU_BUTTON_TOGGLEBACK BUTTON_VOL_DOWN
 156 #define SUDOKU_BUTTON_TOGGLE     BUTTON_VOL_UP
 157 #define SUDOKU_BUTTON_ALTTOGGLE  BUTTON_SELECT
 158 #define SUDOKU_BUTTON_MENU_PRE   BUTTON_POWER
 159 #define SUDOKU_BUTTON_MENU       (BUTTON_POWER | BUTTON_REL)
 160 #define SUDOKU_BUTTON_POSSIBLE   BUTTON_REC
 161
 162 #elif (CONFIG_KEYPAD == SANSA_CLIP_PAD)
 163 #define SUDOKU_BUTTON_QUIT_PRE   BUTTON_POWER
 164 #define SUDOKU_BUTTON_QUIT       (BUTTON_POWER | BUTTON_REPEAT)
 165 #define SUDOKU_BUTTON_UP         BUTTON_UP
 166 #define SUDOKU_BUTTON_DOWN       BUTTON_DOWN
 167 #define SUDOKU_BUTTON_LEFT       BUTTON_LEFT
 168 #define SUDOKU_BUTTON_RIGHT      BUTTON_RIGHT
 169 #define SUDOKU_BUTTON_TOGGLEBACK BUTTON_VOL_DOWN
 170 #define SUDOKU_BUTTON_TOGGLE     BUTTON_VOL_UP
 171 #define SUDOKU_BUTTON_ALTTOGGLE  BUTTON_SELECT
 172 #define SUDOKU_BUTTON_MENU_PRE   BUTTON_POWER
 173 #define SUDOKU_BUTTON_MENU       (BUTTON_POWER | BUTTON_REL)
 174 #define SUDOKU_BUTTON_POSSIBLE   BUTTON_HOME
 175
 176 #elif (CONFIG_KEYPAD == SANSA_M200_PAD)
 177 #define SUDOKU_BUTTON_QUIT_PRE   BUTTON_POWER
 178 #define SUDOKU_BUTTON_QUIT       (BUTTON_POWER | BUTTON_REPEAT)
 179 #define SUDOKU_BUTTON_UP         BUTTON_UP
 180 #define SUDOKU_BUTTON_DOWN       BUTTON_DOWN
 181 #define SUDOKU_BUTTON_LEFT       BUTTON_LEFT
 182 #define SUDOKU_BUTTON_RIGHT      BUTTON_RIGHT
 183 #define SUDOKU_BUTTON_TOGGLEBACK BUTTON_VOL_DOWN
 184 #define SUDOKU_BUTTON_TOGGLE     BUTTON_VOL_UP
 185 #define SUDOKU_BUTTON_ALTTOGGLE  (BUTTON_SELECT | BUTTON_REL)
 186 #define SUDOKU_BUTTON_MENU_PRE   BUTTON_POWER
 187 #define SUDOKU_BUTTON_MENU       (BUTTON_POWER | BUTTON_REL)
 188 #define SUDOKU_BUTTON_POSSIBLE   (BUTTON_SELECT | BUTTON_UP)
 189
 190 #elif CONFIG_KEYPAD == MROBE500_PAD
 191 #define SUDOKU_BUTTON_QUIT       BUTTON_POWER
 192
 193 #elif (CONFIG_KEYPAD == MROBE100_PAD)
 194 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
 195 #define SUDOKU_BUTTON_UP BUTTON_UP
 196 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
 197 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
 198 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
 199 #define SUDOKU_BUTTON_TOGGLE BUTTON_SELECT
 200 #define SUDOKU_BUTTON_MENU BUTTON_MENU
 201 #define SUDOKU_BUTTON_POSSIBLE BUTTON_DISPLAY
 202
 203 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 204 #define SUDOKU_BUTTON_QUIT BUTTON_RC_REC
 205 #define SUDOKU_BUTTON_UP BUTTON_RC_VOL_UP
 206 #define SUDOKU_BUTTON_DOWN BUTTON_RC_VOL_DOWN
 207 #define SUDOKU_BUTTON_LEFT BUTTON_RC_REW
 208 #define SUDOKU_BUTTON_RIGHT BUTTON_RC_FF
 209 #define SUDOKU_BUTTON_TOGGLE BUTTON_RC_MODE
 210 #define SUDOKU_BUTTON_MENU BUTTON_RC_MENU
 211 #define SUDOKU_BUTTON_POSSIBLE BUTTON_RC_PLAY
 212
 213 #elif (CONFIG_KEYPAD == COWON_D2_PAD)
 214 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
 215 #define SUDOKU_BUTTON_MENU BUTTON_MENU
 216
 217 #elif CONFIG_KEYPAD == IAUDIO67_PAD
 218 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
 219 #define SUDOKU_BUTTON_UP BUTTON_STOP
 220 #define SUDOKU_BUTTON_DOWN BUTTON_PLAY
 221 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
 222 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
 223 #define SUDOKU_BUTTON_TOGGLE BUTTON_VOLUP
 224 #define SUDOKU_BUTTON_MENU BUTTON_MENU
 225 #define SUDOKU_BUTTON_POSSIBLE BUTTON_VOLDOWN
 226
 227 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 228 #define SUDOKU_BUTTON_QUIT BUTTON_BACK
 229 #define SUDOKU_BUTTON_UP BUTTON_UP
 230 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
 231 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
 232 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
 233 #define SUDOKU_BUTTON_TOGGLE BUTTON_SELECT
 234 #define SUDOKU_BUTTON_MENU BUTTON_MENU
 235 #define SUDOKU_BUTTON_POSSIBLE BUTTON_PLAY
 236
 237 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
 238 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
 239 #define SUDOKU_BUTTON_UP BUTTON_UP
 240 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
 241 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
 242 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
 243 #define SUDOKU_BUTTON_TOGGLE BUTTON_SELECT
 244 #define SUDOKU_BUTTON_MENU BUTTON_MENU
 245 #define SUDOKU_BUTTON_POSSIBLE BUTTON_VIEW
 246
 247 #elif CONFIG_KEYPAD == PHILIPS_HDD6330_PAD
 248 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
 249 #define SUDOKU_BUTTON_UP BUTTON_UP
 250 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
 251 #define SUDOKU_BUTTON_LEFT BUTTON_LEFT
 252 #define SUDOKU_BUTTON_RIGHT BUTTON_RIGHT
 253 #define SUDOKU_BUTTON_TOGGLE BUTTON_PLAY
 254 #define SUDOKU_BUTTON_MENU BUTTON_MENU
 255 #define SUDOKU_BUTTON_POSSIBLE BUTTON_NEXT
 256
 257 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 258 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
 259 #define SUDOKU_BUTTON_UP BUTTON_UP
 260 #define SUDOKU_BUTTON_DOWN BUTTON_DOWN
 261 #define SUDOKU_BUTTON_LEFT BUTTON_PREV
 262 #define SUDOKU_BUTTON_RIGHT BUTTON_NEXT
 263 #define SUDOKU_BUTTON_TOGGLE BUTTON_PLAY
 264 #define SUDOKU_BUTTON_MENU BUTTON_MENU
 265 #define SUDOKU_BUTTON_POSSIBLE BUTTON_RIGHT
 266
 267 #elif (CONFIG_KEYPAD == ONDAVX747_PAD)
 268 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
 269 #define SUDOKU_BUTTON_MENU BUTTON_MENU
 270
 271 #elif (CONFIG_KEYPAD == ONDAVX777_PAD)
 272 #define SUDOKU_BUTTON_QUIT BUTTON_POWER
 273
 274 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
 275 #define SUDOKU_BUTTON_QUIT     BUTTON_REC
 276 #define SUDOKU_BUTTON_UP       BUTTON_UP
 277 #define SUDOKU_BUTTON_DOWN     BUTTON_DOWN
 278 #define SUDOKU_BUTTON_LEFT     BUTTON_LEFT
 279 #define SUDOKU_BUTTON_RIGHT    BUTTON_RIGHT
 280 #define SUDOKU_BUTTON_TOGGLE   BUTTON_FFWD
 281 #define SUDOKU_BUTTON_MENU     BUTTON_PLAY
 282 #define SUDOKU_BUTTON_POSSIBLE BUTTON_REW
 283
 284 #elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
 285 #define SUDOKU_BUTTON_QUIT     BUTTON_REC
 286 #define SUDOKU_BUTTON_UP       BUTTON_UP
 287 #define SUDOKU_BUTTON_DOWN     BUTTON_DOWN
 288 #define SUDOKU_BUTTON_LEFT     BUTTON_PREV
 289 #define SUDOKU_BUTTON_RIGHT    BUTTON_NEXT
 290 #define SUDOKU_BUTTON_TOGGLE   BUTTON_OK
 291 #define SUDOKU_BUTTON_MENU     BUTTON_MENU
 292 #define SUDOKU_BUTTON_POSSIBLE BUTTON_PLAY
 293
 294 #elif CONFIG_KEYPAD == MPIO_HD200_PAD
 295 #define SUDOKU_BUTTON_MENU       BUTTON_REC
 296 #define SUDOKU_BUTTON_LEFT       BUTTON_VOL_DOWN
 297 #define SUDOKU_BUTTON_RIGHT      BUTTON_VOL_UP
 298 #define SUDOKU_BUTTON_CHANGEDIR  BUTTON_FUNC
 299 #define SUDOKU_BUTTON_TOGGLE     BUTTON_FF
 300 #define SUDOKU_BUTTON_TOGGLEBACK BUTTON_REW
 301 #define SUDOKU_BUTTON_POSSIBLE   BUTTON_PLAY
 302
 303 #elif CONFIG_KEYPAD == MPIO_HD300_PAD
 304 #define SUDOKU_BUTTON_MENU       BUTTON_MENU
 305 #define SUDOKU_BUTTON_LEFT       BUTTON_REW
 306 #define SUDOKU_BUTTON_RIGHT      BUTTON_FF
 307 #define SUDOKU_BUTTON_CHANGEDIR  BUTTON_ENTER
 308 #define SUDOKU_BUTTON_TOGGLE     BUTTON_UP
 309 #define SUDOKU_BUTTON_TOGGLEBACK BUTTON_DOWN
 310 #define SUDOKU_BUTTON_POSSIBLE   BUTTON_PLAY
 311
 312 #else
 313 #error No keymap defined!
 314 #endif
 315
 316 #ifdef HAVE_TOUCHSCREEN
 317 #ifndef SUDOKU_BUTTON_QUIT
 318 #define SUDOKU_BUTTON_QUIT     BUTTON_TOPLEFT
 319 #endif
 320 #ifndef SUDOKU_BUTTON_UP
 321 #define SUDOKU_BUTTON_UP       BUTTON_TOPMIDDLE
 322 #endif
 323 #ifndef SUDOKU_BUTTON_DOWN
 324 #define SUDOKU_BUTTON_DOWN     BUTTON_BOTTOMMIDDLE
 325 #endif
 326 #ifndef SUDOKU_BUTTON_LEFT
 327 #define SUDOKU_BUTTON_LEFT     BUTTON_MIDLEFT
 328 #endif
 329 #ifndef SUDOKU_BUTTON_RIGHT
 330 #define SUDOKU_BUTTON_RIGHT    BUTTON_MIDRIGHT
 331 #endif
 332 #ifndef SUDOKU_BUTTON_TOGGLE
 333 #define SUDOKU_BUTTON_TOGGLE   BUTTON_CENTER
 334 #endif
 335 #ifndef SUDOKU_BUTTON_MENU
 336 #define SUDOKU_BUTTON_MENU     BUTTON_TOPRIGHT
 337 #endif
 338 #ifndef SUDOKU_BUTTON_POSSIBLE
 339 #define SUDOKU_BUTTON_POSSIBLE BUTTON_BOTTOMLEFT
 340 #endif
 341 #endif
 342
 343 struct sudoku_state_t {
 344   char filename[MAX_PATH];  /* Filename */
 345   char startboard[9][9];    /* The initial state of the game */
 346   char currentboard[9][9];  /* The current state of the game */
 347   char savedboard[9][9];    /* Cached copy of saved state */
 348   int x,y;                  /* Cursor position */
 349   int editmode;             /* We are editing the start board */
 350 #ifdef SUDOKU_BUTTON_POSSIBLE
 351   short possiblevals[9][9];  /* possible values a cell could be, user sets them */
 352   short savedpossible[9][9]; /* cached copy of possible cell values */
 353 #endif
 354 };
 355
 356
 357 #endif