gnushogi/commondsp.c

   1 /*
   2  * FILE: commondsp.c
   3  *
   4  *     Common display routines for GNU Shogi.
   5  *
   6  * ----------------------------------------------------------------------
   7  * Copyright (c) 1993, 1994, 1995 Matthias Mutz
   8  * Copyright (c) 1999 Michael Vanier and the Free Software Foundation
   9  *
  10  * GNU SHOGI is based on GNU CHESS
  11  *
  12  * Copyright (c) 1988, 1989, 1990 John Stanback
  13  * Copyright (c) 1992 Free Software Foundation
  14  *
  15  * This file is part of GNU SHOGI.
  16  *
  17  * GNU Shogi is free software; you can redistribute it and/or modify it
  18  * under the terms of the GNU General Public License as published by the
  19  * Free Software Foundation; either version 3 of the License,
  20  * or (at your option) any later version.
  21  *
  22  * GNU Shogi is distributed in the hope that it will be useful, but WITHOUT
  23  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  24  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  25  * for more details.
  26  *
  27  * You should have received a copy of the GNU General Public License along
  28  * with GNU Shogi; see the file COPYING. If not, see
  29  * <http://www.gnu.org/licenses/>.
  30  * ----------------------------------------------------------------------
  31  *
  32  */
  33
  34 #if defined HAVE_GETTIMEOFDAY
  35 #include <sys/time.h>
  36 #endif
  37
  38 #include <ctype.h>
  39 #include <signal.h>
  40
  41 #include <sys/param.h>
  42 #include <sys/types.h>
  43 #include <sys/file.h>
  44
  45 #include "gnushogi.h"
  46
  47 char mvstr[4][6];
  48 char *InPtr;
  49 int InBackground = false;
  50
  51
  52 #if defined(BOOKTEST)
  53
  54 void
  55 movealgbr(short m, char *s)
  56 {
  57     unsigned int f, t;
  58     short piece = 0, flag = 0;
  59
  60     if (m == 0)
  61     {
  62         strcpy(s, "none");
  63         return;
  64     }
  65
  66     f = (m >> 8) & 0x7f;
  67     t = m & 0xff;
  68
  69     if (f > NO_SQUARES)
  70     {
  71         piece = f - NO_SQUARES;
  72
  73         if (piece > NO_PIECES)
  74             piece -= NO_PIECES;
  75
  76         flag = (dropmask | piece);
  77     }
  78
  79     if (t & 0x80)
  80     {
  81         flag |= promote;
  82         t &= 0x7f;
  83     }
  84
  85     if (flag & dropmask)
  86     {
  87         *s = pxx[piece];
  88         s++;
  89         *s = '*';
  90         s++;
  91         *s = cxx[column(t)];
  92         s++;
  93         *s = rxx[row(t)];
  94         s++;
  95     }
  96     else
  97     {
  98         *s = cxx[column(f)];
  99         s++;
 100         *s = rxx[row(f)];
 101         s++;
 102         *s = cxx[column(t)];
 103         s++;
 104         *s = rxx[row(t)];
 105         s++;
 106
 107         if (flag & promote)
 108         {
 109             *s = '+';
 110             s++;
 111         }
 112     }
 113
 114     if (m & 0x8000)
 115     {
 116         *s = '?';
 117         s++;
 118     }
 119
 120     *s = '\0';
 121 }
 122
 123 #endif /* BOOKTEST */
 124
 125
 126
 127
 128 /*
 129  * Generate move strings in different formats.
 130  *
 131  * INPUT:
 132  * - f                                  piece to be moved
 133  *   - 0 < f < NO_SQUARES                               source square
 134  *   - NO_SQUARES <= f NO_SQUARES + 2*NO_PIECES         dropped piece modulo NO_PIECES
 135  * - t & 0x7f                           target square
 136  * - t & 0x80                           promotion flag
 137  * - flag                               FIXME: must be zero ?
 138  *
 139  * OUTPUT:
 140  * - GLOBAL mvstr
 141  */
 142
 143 void
 144 algbr(short f, short t, short flag)
 145 {
 146     if (f > NO_SQUARES)
 147     {
 148         short piece;
 149
 150         piece = f - NO_SQUARES;
 151
 152         if (f > (NO_SQUARES + NO_PIECES))
 153             piece -= NO_PIECES;
 154
 155         flag = (dropmask | piece);
 156     }
 157
 158     if ((t & 0x80) != 0)
 159     {
 160         flag |= promote;
 161         t &= 0x7f;
 162     }
 163
 164     if ((f == t) && ((f != 0) || (t != 0)))
 165     {
 166         if (!barebones) {
 167             Printf("error in algbr: FROM=TO=%d, flag=0x%4x\n", t, flag);
 168         }
 169
 170         mvstr[0][0] = mvstr[1][0] = mvstr[2][0] = mvstr[3][0] = '\0';
 171     }
 172     else if ((flag & dropmask) != 0)
 173     {
 174         short piece = flag & pmask;
 175
 176         mvstr[0][0] = pxx[piece];
 177         mvstr[0][1] = '*';
 178         mvstr[0][2] = cxx[column(t)];
 179         mvstr[0][3] = rxx[row(t)];
 180         mvstr[0][4] = '\0';
 181         strcpy(mvstr[1], mvstr[0]);
 182         strcpy(mvstr[2], mvstr[0]);
 183         strcpy(mvstr[3], mvstr[0]);
 184     }
 185     else if ((f != 0) || (t != 0))
 186     {
 187         /* algebraic notation */
 188         mvstr[0][0] = cxx[column(f)];
 189         mvstr[0][1] = rxx[row(f)];
 190         mvstr[0][2] = cxx[column(t)];
 191         mvstr[0][3] = rxx[row(t)];
 192         mvstr[0][4] = mvstr[3][0] = '\0';
 193         mvstr[1][0] = pxx[board[f]];
 194
 195         mvstr[2][0] = mvstr[1][0];
 196         mvstr[2][1] = mvstr[0][1];
 197
 198         mvstr[2][2] = mvstr[1][1] = mvstr[0][2];    /* to column */
 199         mvstr[2][3] = mvstr[1][2] = mvstr[0][3];    /* to row */
 200         mvstr[2][4] = mvstr[1][3] = '\0';
 201         strcpy(mvstr[3], mvstr[2]);
 202         mvstr[3][1] = mvstr[0][0];
 203
 204         if (flag & promote)
 205         {
 206             strcat(mvstr[0], "+");
 207             strcat(mvstr[1], "+");
 208             strcat(mvstr[2], "+");
 209             strcat(mvstr[3], "+");
 210         }
 211     }
 212     else
 213     {
 214         mvstr[0][0] = mvstr[1][0] = mvstr[2][0] = mvstr[3][0] = '\0';
 215     }
 216 }
 217
 218
 219
 220 /*
 221  * Compare the string 's' to the list of legal moves available for the
 222  * opponent. If a match is found, make the move on the board.
 223  */
 224
 225 int
 226 VerifyMove(char *s, VerifyMove_mode iop, unsigned short *mv)
 227 {
 228     static short pnt, tempb, tempc, tempsf, tempst, cnt;
 229     static struct leaf xnode;
 230     struct leaf  *node;
 231     short i, l, local_flags;
 232     char buffer[60];
 233
 234     /* check and remove quality flags */
 235     for (i = local_flags = 0, l = strlen(s); i < l; i++)
 236     {
 237         switch(s[i])
 238         {
 239         case '?':
 240             local_flags |= badmove;
 241             s[i] = '\0';
 242             break;
 243
 244         case '!':
 245             local_flags |= goodmove;
 246             s[i] = '\0';
 247             break;
 248
 249 #ifdef EASY_OPENINGS
 250         case '~':
 251             local_flags |= difficult;
 252             s[i] = '\0';
 253             break;
 254 #endif
 255         }
 256     }
 257
 258     *mv = 0;
 259
 260     if (iop == UNMAKE_MODE)
 261     {
 262         UnmakeMove(opponent, &xnode, &tempb, &tempc, &tempsf, &tempst);
 263         return false;
 264     }
 265
 266     cnt = 0;
 267
 268     if (iop == VERIFY_AND_MAKE_MODE)
 269         generate_move_flags = true;
 270
 271     MoveList(opponent, 2, -1, true);
 272     generate_move_flags = false;
 273     pnt = TrPnt[2];
 274
 275     while (pnt < TrPnt[3])
 276     {
 277         node = &Tree[pnt++];
 278         algbr(node->f, node->t, (short) node->flags);
 279
 280         if ((strcmp(s, mvstr[0]) == 0)
 281             || (strcmp(s, mvstr[1]) == 0)
 282             || (strcmp(s, mvstr[2]) == 0)
 283             || (strcmp(s, mvstr[3]) == 0))
 284         {
 285             cnt++;
 286             xnode = *node;
 287         }
 288     }
 289
 290     if ((cnt == 1) && (xnode.score > DONTUSE))
 291     {
 292         short blocked;
 293
 294         MakeMove(opponent, &xnode, &tempb, &tempc,
 295                  &tempsf, &tempst, &INCscore);
 296
 297         if (SqAttacked(PieceList[opponent][0], computer, &blocked))
 298         {
 299             UnmakeMove(opponent, &xnode, &tempb, &tempc, &tempsf, &tempst);
 300             AlwaysShowMessage(CP[77], s);
 301             return false;
 302         }
 303         else
 304         {
 305             if (iop == VERIFY_AND_TRY_MODE)
 306                 return true;
 307
 308             UpdateDisplay(xnode.f, xnode.t, 0, (short) xnode.flags);
 309             GameList[GameCnt].depth = GameList[GameCnt].score = 0;
 310             GameList[GameCnt].nodes = 0;
 311             ElapsedTime(COMPUTE_AND_INIT_MODE);
 312             GameList[GameCnt].time = (short) (et + 50)/100;
 313             GameList[GameCnt].flags |= local_flags;
 314
 315             if (TCflag)
 316             {
 317                 TimeControl.clock[opponent] -= et;
 318                 timeopp[oppptr] = et;
 319                 --TimeControl.moves[opponent];
 320             }
 321
 322             *mv = (xnode.f << 8) | xnode.t;
 323             algbr(xnode.f, xnode.t, false);
 324
 325             /* in force mode, check for mate conditions */
 326             if (flag.force)
 327             {
 328                 if (IsCheckmate(opponent ^ 1, -1, -1))
 329                 {
 330                     char buf[20];
 331
 332                     sprintf(buf, "%s mates!\n", ColorStr[opponent]);
 333                     ShowMessage(buf);
 334                     flag.mate = true;
 335                 }
 336             }
 337
 338             return true;
 339         }
 340     }
 341
 342     AlwaysShowMessage(CP[76], s);
 343
 344     if (!barebones && (cnt > 1))
 345     {
 346         sprintf(buffer, CP[32], s);
 347         ShowMessage(buffer);
 348     }
 349
 350     return false;
 351 }
 352
 353
 354
 355 static int
 356 parser(char *f, int side, short *fpiece)
 357 {
 358     int c1, r1, c2, r2;
 359     short i, p = false;
 360
 361     if (*f == '+')
 362         f++, p = true;
 363
 364     for (i = 1, *fpiece = no_piece; i < NO_PIECES; i++)
 365     {
 366         if (f[0] == pxx[i] || f[0] == qxx[i])
 367         {
 368             *fpiece = (p ? promoted[i] : unpromoted[i]);
 369             break;
 370         }
 371     }
 372
 373     if (f[1] == '*' || f[1] == '\'')
 374     {
 375         c2 = COL_NAME(f[2]);
 376         r2 = ROW_NAME(f[3]);
 377
 378         return ((NO_SQUARES + *fpiece) << 8) | locn(r2, c2);
 379     }
 380     else
 381     {
 382         c1 = COL_NAME(f[1]);
 383         r1 = ROW_NAME(f[2]);
 384         c2 = COL_NAME(f[3]);
 385         r2 = ROW_NAME(f[4]);
 386         p = (f[5] == '+') ? 0x80 : 0;
 387
 388         return (locn(r1, c1) << 8) | locn(r2, c2) | p;
 389     }
 390 }
 391
 392
 393 void
 394 skip()
 395 {
 396     while (*InPtr != ' ')
 397         InPtr++;
 398
 399     while (*InPtr == ' ')
 400         InPtr++;
 401 }
 402
 403
 404
 405 void
 406 skipb()
 407 {
 408     while (*InPtr == ' ')
 409         InPtr++;
 410 }
 411
 412
 413
 414 void
 415 GetGame(void)
 416 {
 417     FILE *fd;
 418     char fname[256], *p;
 419     int c, i, j;
 420     short sq;
 421     short side, isp;
 422
 423     if (savefile[0]) {
 424         strcpy(fname, savefile);
 425     } else {
 426         /* Enter file name */
 427         ShowMessage(CP[63]);
 428         RequestInputString(fname, sizeof(fname)-1);
 429     }
 430
 431     /* shogi.000 */
 432     if (fname[0] == '\0')
 433         strcpy(fname, CP[137]);
 434
 435     if ((fd = fopen(fname, "r")) != NULL)
 436     {
 437         NewGame();
 438         fgets(fname, 256, fd);
 439         computer = opponent = black;
 440         InPtr = fname;
 441         skip();
 442
 443         if (*InPtr == 'c')
 444             computer = white;
 445         else
 446             opponent = white;
 447
 448         /* FIXME: write a skipn() function so that we can get
 449          * 3 skips by doing skipn(3) */
 450         skip();
 451         skip();
 452         skip();
 453         Game50 = atoi(InPtr);
 454         skip();
 455         flag.force = (*InPtr == 'f');
 456         fgets(fname, 256, fd); /* empty */
 457         fgets(fname, 256, fd);
 458         InPtr = &fname[11];
 459         skipb();
 460         TCflag = atoi(InPtr);
 461         skip();
 462         InPtr += 14;
 463         skipb();
 464         OperatorTime = atoi(InPtr);
 465         fgets(fname, 256, fd);
 466         InPtr = &fname[11];
 467         skipb();
 468         TimeControl.clock[black] = atol(InPtr);
 469         skip();
 470         skip();
 471         TimeControl.moves[black] = atoi(InPtr);
 472         fgets(fname, 256, fd);
 473         InPtr = &fname[11];
 474         skipb();
 475         TimeControl.clock[white] = atol(InPtr);
 476         skip();
 477         skip();
 478         TimeControl.moves[white] = atoi(InPtr);
 479         fgets(fname, 256, fd); /* empty */
 480
 481         for (i = NO_ROWS - 1; i > -1; i--)
 482         {
 483             fgets(fname, 256, fd);
 484             p = &fname[2];
 485             InPtr = &fname[23];
 486
 487             for (j = 0; j < NO_COLS; j++)
 488             {
 489                 sq = i * NO_COLS + j;
 490                 isp = (*p == '+');
 491                 p++;
 492
 493                 if (*p == '-')
 494                 {
 495                     board[sq] = no_piece;
 496                     color[sq] = neutral;
 497                 }
 498                 else
 499                 {
 500                     for (c = 0; c < NO_PIECES; c++)
 501                     {
 502                         if (*p == pxx[c])
 503                         {
 504                             if (isp)
 505                                 board[sq] = promoted[c];
 506                             else
 507                                 board[sq] = unpromoted[c];
 508
 509                             color[sq] = white;
 510                         }
 511                     }
 512
 513                     for (c = 0; c < NO_PIECES; c++)
 514                     {
 515                         if (*p == qxx[c])
 516                         {
 517                             if (isp)
 518                                 board[sq] = promoted[c];
 519                             else
 520                                 board[sq] = unpromoted[c];
 521
 522                             color[sq] = black;
 523                         }
 524                     }
 525                 }
 526
 527                 p++;
 528                 Mvboard[sq] = atoi(InPtr);
 529                 skip();
 530             }
 531         }
 532
 533         fgets(fname, 256, fd);  /* empty */
 534         fgets(fname, 256, fd);  /* 9 8 7 ... */
 535         fgets(fname, 256, fd);  /* empty */
 536         fgets(fname, 256, fd);  /* p l n ... */
 537         ClearCaptured();
 538
 539         for (side = 0; side <= 1; side++)
 540         {
 541             fgets(fname, 256, fd);
 542             InPtr = fname;
 543             skip();
 544             skipb();
 545             Captured[side][pawn] = atoi(InPtr);
 546             skip();
 547             Captured[side][lance] = atoi(InPtr);
 548             skip();
 549             Captured[side][knight] = atoi(InPtr);
 550             skip();
 551             Captured[side][silver] = atoi(InPtr);
 552             skip();
 553             Captured[side][gold] = atoi(InPtr);
 554             skip();
 555             Captured[side][bishop] = atoi(InPtr);
 556             skip();
 557             Captured[side][rook] = atoi(InPtr);
 558             skip();
 559             Captured[side][king] = atoi(InPtr);
 560         }
 561
 562         GameCnt = 0;
 563         flag.regularstart = true;
 564         Book = BOOKFAIL;
 565         fgets(fname, 256, fd); /* empty */
 566         fgets(fname, 256, fd);   /*  move score ... */
 567
 568         while (fgets(fname, 256, fd))
 569         {
 570             struct GameRec  *g;
 571             int side = computer;
 572
 573             side = side ^ 1;
 574             ++GameCnt;
 575             InPtr = fname;
 576             skipb();
 577             g = &GameList[GameCnt];
 578             g->gmove = parser(InPtr, side, &g->fpiece);
 579             skip();
 580             g->score = atoi(InPtr);
 581             skip();
 582             g->depth = atoi(InPtr);
 583             skip();
 584             g->nodes = atol(InPtr);
 585             skip();
 586             g->time = atol(InPtr);
 587             skip();
 588             g->flags = c = atoi(InPtr);
 589             skip();
 590             g->hashkey = strtol(InPtr, (char **) NULL, 16);
 591             skip();
 592             g->hashbd = strtol(InPtr, (char **) NULL, 16);
 593
 594             if (c & capture)
 595             {
 596                 short i, piece;
 597
 598                 skip();
 599
 600                 for (piece = no_piece, i = 0; i < NO_PIECES; i++)
 601                 {
 602                     if (pxx[i] == *InPtr)
 603                     {
 604                         piece = i;
 605                         break;
 606                     }
 607                 }
 608
 609                 skip();
 610                 g->color = ((*InPtr == CP[119][0]) ? white : black);
 611                 skip();
 612                 g->piece = (*InPtr == '+'
 613                             ? promoted[piece]
 614                             : unpromoted[piece]);
 615             }
 616             else
 617             {
 618                 g->color = neutral;
 619                 g->piece = no_piece;
 620             }
 621         }
 622
 623         if (TimeControl.clock[black] > 0)
 624             TCflag = true;
 625
 626         fclose(fd);
 627     }
 628
 629     ZeroRPT();
 630     InitializeStats();
 631     UpdateDisplay(0, 0, 1, 0);
 632     Sdepth = 0;
 633     hint = 0;
 634 }
 635
 636
 637
 638 void
 639 SaveGame(void)
 640 {
 641     FILE *fd;
 642     char fname[256];
 643     short sq, i, c, f, t;
 644     char p;
 645     short side, piece;
 646     char empty[2] = "\n";
 647
 648     if (savefile[0]) {
 649         strcpy(fname, savefile);
 650     } else {
 651         /* Enter file name */
 652         ShowMessage(CP[63]);
 653         RequestInputString(fname, sizeof(fname)-1);
 654     }
 655
 656     if (fname[0] == '\0')        /* shogi.000 */
 657         strcpy(fname, CP[137]);
 658
 659     if ((fd = fopen(fname, "w")) != NULL)
 660     {
 661         char *b, *w;
 662         b = w = CP[74];
 663
 664         if (computer == white)
 665             w = CP[141];
 666
 667         if (computer == black)
 668             b = CP[141];
 669
 670         fprintf(fd, CP[37], w, b, Game50,
 671                 flag.force ? "force" : "");
 672         fputs(empty, fd);
 673         fprintf(fd, CP[111], TCflag, OperatorTime);
 674         fprintf(fd, CP[117],
 675                 TimeControl.clock[black], TimeControl.moves[black],
 676                 TimeControl.clock[white], TimeControl.moves[white]);
 677         fputs(empty, fd);
 678
 679         for (i = NO_ROWS - 1; i > -1; i--)
 680         {
 681             fprintf(fd, "%c ", ROW_NAME(i));
 682
 683             for (c = 0; c < NO_COLS; c++)
 684             {
 685                 sq = i * NO_COLS + c;
 686                 piece = board[sq];
 687                 p = is_promoted[piece] ? '+' : ' ';
 688                 fprintf(fd, "%c", p);
 689
 690                 switch(color[sq])
 691                 {
 692                 case white:
 693                     p = pxx[piece];
 694                     break;
 695
 696                 case black:
 697                     p = qxx[piece];
 698                     break;
 699
 700                 default:
 701                     p = '-';
 702                 }
 703
 704                 fprintf(fd, "%c", p);
 705             }
 706
 707             fprintf(fd, "  ");
 708
 709             for (f = i * NO_COLS; f < i * NO_COLS + NO_ROWS; f++)
 710                 fprintf(fd, " %d", Mvboard[f]);
 711
 712             fprintf(fd, "\n");
 713         }
 714
 715         fputs(empty, fd);
 716         fprintf(fd, "   9 8 7 6 5 4 3 2 1\n");    /* FIXME */
 717         fputs(empty, fd);
 718         fprintf(fd, "   p  l  n  s  g  b  r  k\n");
 719
 720         for (side = 0; side <= 1; side++)
 721         {
 722             fprintf(fd, "%c", (side == black) ? 'B' : 'W');
 723             fprintf(fd, " %2d", Captured[side][pawn]);
 724             fprintf(fd, " %2d", Captured[side][lance]);
 725             fprintf(fd, " %2d", Captured[side][knight]);
 726             fprintf(fd, " %2d", Captured[side][silver]);
 727             fprintf(fd, " %2d", Captured[side][gold]);
 728             fprintf(fd, " %2d", Captured[side][bishop]);
 729             fprintf(fd, " %2d", Captured[side][rook]);
 730             fprintf(fd, " %2d", Captured[side][king]);
 731             fprintf(fd, "\n");
 732         }
 733
 734         fputs(empty, fd);
 735         fputs(CP[126], fd);
 736
 737         for (i = 1; i <= GameCnt; i++)
 738         {
 739             struct GameRec  *g = &GameList[i];
 740
 741             f = g->gmove >> 8;
 742             t = (g->gmove & 0xFF);
 743             algbr(f, t, g->flags);
 744
 745             fprintf(fd, "%c%c%-5s %6d %5d %7ld %6ld %5d  0x%08lx 0x%08lx",
 746                     ((f > NO_SQUARES)
 747                      ? ' '
 748                      : (is_promoted[g->fpiece] ? '+' : ' ')),
 749                     pxx[g->fpiece],
 750                     ((f > NO_SQUARES) ? &mvstr[0][1] : mvstr[0]),
 751                     g->score, g->depth,
 752                     g->nodes, g->time, g->flags,
 753                     g->hashkey, g->hashbd);
 754
 755             if (g->piece != no_piece)
 756             {
 757                 fprintf(fd, "  %c %s %c\n",
 758                         pxx[g->piece], ColorStr[g->color],
 759                         (is_promoted[g->piece] ? '+' : ' '));
 760             }
 761             else
 762             {
 763                 fprintf(fd, "\n");
 764             }
 765         }
 766
 767         fclose(fd);
 768
 769         /* Game saved */
 770         ShowMessage(CP[70]);
 771     }
 772     else
 773     {
 774         /* ShowMessage("Could not open file"); */
 775         ShowMessage(CP[48]);
 776     }
 777 }
 778
 779
 780
 781 /*
 782  * GetXGame, SaveXGame and BookGame used to only be defined if
 783  * xshogi wasn't defined -- wonder why?
 784  */
 785
 786 void
 787 GetXGame(void)
 788 {
 789     FILE *fd;
 790     char fname[256], *p;
 791     int c, i, j;
 792     short sq;
 793     short side, isp;
 794
 795     /* Enter file name */
 796     ShowMessage(CP[63]);
 797     RequestInputString(fname, sizeof(fname)-1);
 798
 799     if (fname[0] == '\0') /* XSHOGI.position.read */
 800         strcpy(fname, CP[205]);
 801
 802     if ((fd = fopen(fname, "r")) != NULL)
 803     {
 804         NewGame();
 805         flag.regularstart = false;
 806         Book = false;
 807
 808         /* xshogi position file ... */
 809         fgets(fname, 256, fd);
 810
 811 #ifdef notdef
 812         fname[6] = '\0';
 813
 814         if (strcmp(fname, CP[206]))
 815             return;
 816 #endif
 817
 818         /* -- empty line -- */
 819         fgets(fname, 256, fd);
 820         /* -- empty line -- */
 821         fgets(fname, 256, fd);
 822
 823         for (i = NO_ROWS - 1; i > -1; i--)
 824         {
 825             fgets(fname, 256, fd);
 826             p = fname;
 827
 828             for (j = 0; j < NO_COLS; j++)
 829             {
 830                 sq = i * NO_COLS + j;
 831                 isp = (*p == '+');
 832                 p++;
 833
 834                 if (*p == '.')
 835                 {
 836                     board[sq] = no_piece;
 837                     color[sq] = neutral;
 838                 }
 839                 else
 840                 {
 841                     for (c = 0; c < NO_PIECES; c++)
 842                     {
 843                         if (*p == qxx[c])
 844                         {
 845                             if (isp)
 846                                 board[sq] = promoted[c];
 847                             else
 848                                 board[sq] = unpromoted[c];
 849
 850                             color[sq] = white;
 851                         }
 852                     }
 853
 854                     for (c = 0; c < NO_PIECES; c++)
 855                     {
 856                         if (*p == pxx[c])
 857                         {
 858                             if (isp)
 859                                 board[sq] = promoted[c];
 860                             else
 861                                 board[sq] = unpromoted[c];
 862
 863                             color[sq] = black;
 864                         }
 865                     }
 866                 }
 867
 868                 p++;
 869             }
 870         }
 871
 872         ClearCaptured();
 873
 874         for (side = 0; side <= 1; side++)
 875         {
 876             fgets(fname, 256, fd);
 877             InPtr = fname;
 878             Captured[side][pawn]   = atoi(InPtr);
 879             skip();
 880             Captured[side][lance]  = atoi(InPtr);
 881             skip();
 882             Captured[side][knight] = atoi(InPtr);
 883             skip();
 884             Captured[side][silver] = atoi(InPtr);
 885             skip();
 886             Captured[side][gold]   = atoi(InPtr);
 887             skip();
 888             Captured[side][bishop] = atoi(InPtr);
 889             skip();
 890             Captured[side][rook]   = atoi(InPtr);
 891             skip();
 892             Captured[side][king]   = atoi(InPtr);
 893         }
 894
 895         if (fgets(fname, 256, fd) != NULL && strncmp(fname, "white", 5) == 0)
 896         {
 897             computer = black;
 898             opponent = white;
 899             xwndw = BXWNDW;
 900         }
 901
 902         fclose(fd);
 903     }
 904
 905     Game50 = 1;
 906     ZeroRPT();
 907     InitializeStats();
 908     UpdateDisplay(0, 0, 1, 0);
 909     Sdepth = 0;
 910     hint = 0;
 911 }
 912
 913
 914 void
 915 SaveXGame(void)
 916 {
 917     FILE *fd;
 918     char fname[256], *p;
 919     int i, j;
 920     short sq, piece;
 921     short side, isp;
 922
 923     /* Enter file name */
 924     ShowMessage(CP[63]);
 925     RequestInputString(fname, sizeof(fname)-1);
 926
 927     if (fname[0] == '\0') /* XSHOGI.position.read */
 928         strcpy(fname, CP[205]);
 929
 930     if ((fd = fopen(fname, "w")) != NULL)
 931     {
 932         /* xshogi position file ... */
 933         fputs("# xshogi position file -- \n", fd);
 934         /* -- empty line -- */
 935         fputs("\n", fd);
 936         /* -- empty line -- */
 937         fputs("\n", fd);
 938
 939         for (i = NO_ROWS - 1; i > -1; i--)
 940         {
 941             p = fname;
 942
 943             for (j = 0; j < NO_COLS; j++)
 944             {
 945                 sq = i * NO_COLS + j;
 946                 piece = board[sq];
 947                 isp = is_promoted[piece];
 948                 *p = (isp ? '+' : ' ');
 949                 p++;
 950
 951                 if (piece == no_piece)
 952                     *p = '.';
 953                 else if (color[sq] == white)
 954                     *p = qxx[piece];
 955                 else
 956                     *p = pxx[piece];
 957
 958                 p++;
 959             }
 960
 961             *p++ = '\n';
 962             *p++ = '\0';
 963             fputs(fname, fd);
 964         }
 965
 966         for (side = 0; side <= 1; side++)
 967         {
 968             sprintf(fname, "%d %d %d %d %d %d %d %d\n",
 969                     Captured[side][pawn],
 970                     Captured[side][lance],
 971                     Captured[side][knight],
 972                     Captured[side][silver],
 973                     Captured[side][gold],
 974                     Captured[side][bishop],
 975                     Captured[side][rook],
 976                     Captured[side][king]);
 977
 978             fputs(fname, fd);
 979         }
 980
 981         if (computer == black)
 982             fputs("white to play\n", fd);
 983         else
 984             fputs("black to play\n", fd);
 985
 986         fclose(fd);
 987     }
 988 }
 989
 990
 991 void
 992 BookSave(void)
 993 {
 994     FILE *fd;
 995     char fname[256], sflags[4];
 996     short i, j, f, t;
 997
 998     if (savefile[0]) {
 999         strcpy(fname, savefile);
1000     } else {
1001         /* Enter file name */
1002         ShowMessage(CP[63]);
1003         RequestInputString(fname, sizeof(fname)-1);
1004     }
1005
1006     if (fname[0] == '\0')
1007         return;
1008
1009     if ((fd = fopen(fname, "a")) != NULL)
1010     {
1011         fprintf(fd, "#\n");
1012
1013         for (i = 1; i <= GameCnt; i++)
1014         {
1015             struct GameRec  *g = &GameList[i];
1016             char mvnr[20], mvs[20];
1017
1018             if (i % 2)
1019                 sprintf(mvnr, "%d.", (i + 1)/2);
1020             else
1021                 strcpy(mvnr, "");
1022
1023             f = g->gmove >> 8;
1024             t = (g->gmove & 0xFF);
1025             algbr(f, t, g->flags);
1026             j = 0;
1027
1028             /* determine move quality string */
1029             if (g->flags & goodmove)
1030                 sflags[j++] = '!';
1031
1032             if (g->flags & badmove)
1033                 sflags[j++] = '?';
1034
1035 #ifdef EASY_OPENINGS
1036             if (g->flags & difficult)
1037                 sflags[j++] = '~';
1038 #endif
1039
1040             sflags[j] = '\0';
1041
1042             /* determine move string */
1043             if (f > NO_SQUARES)
1044             {
1045                 sprintf(mvs, "%s%s ", &mvstr[0][1], sflags);
1046             }
1047             else
1048             {
1049                 sprintf(mvs, "%c%c%c%c%c%s%s ",
1050                         mvstr[0][0], mvstr[0][1],
1051                         (g->flags & capture) ? 'x' : '-',
1052                         mvstr[0][2], mvstr[0][3],
1053                         (mvstr[0][4] == '+') ? "+" : "",
1054                         sflags);
1055             }
1056
1057             fprintf(fd, "%s%s%c%s",
1058                     mvnr,
1059                     (f > NO_SQUARES
1060                      ? ""
1061                      : (is_promoted[g->fpiece] ? "+" : "")),
1062                     pxx[g->fpiece],
1063                     mvs);
1064
1065             if ((i % 10) == 0)
1066                 fprintf(fd, "\n");
1067         }
1068
1069         if ((i % 10) != 1)
1070             fprintf(fd, "\n");
1071
1072         fclose(fd);
1073
1074         /* Game saved */
1075         ShowMessage(CP[70]);
1076     }
1077     else
1078     {
1079         /* ShowMessage("Could not open file"); */
1080         ShowMessage(CP[48]);
1081     }
1082 }
1083
1084
1085
1086 void
1087 ListGame(void)
1088 {
1089     FILE *fd;
1090     short i, f, t;
1091     time_t when;
1092     char fname[256], dbuf[256];
1093
1094     if (listfile[0])
1095     {
1096         strcpy(fname, listfile);
1097     }
1098     else
1099     {
1100         time(&when);
1101         strncpy(dbuf, ctime(&when), 20);
1102         dbuf[7]  = '\0';
1103         dbuf[10] = '\0';
1104         dbuf[13] = '\0';
1105         dbuf[16] = '\0';
1106         dbuf[19] = '\0';
1107
1108         /* use format "CLp16.Jan01-020304B" when patchlevel is 16,
1109            date is Jan 1
1110            time is 02:03:04
1111            program played white */
1112
1113         sprintf(fname, "CLp%s.%s%s-%s%s%s%c",
1114                 patchlevel, dbuf + 4, dbuf + 8, dbuf + 11, dbuf + 14,
1115                 dbuf + 17, ColorStr[computer][0]);
1116
1117         /* replace space padding with 0 */
1118         for (i = 0; fname[i] != '\0'; i++)
1119         {
1120             if (fname[i] == ' ')
1121                 fname[i] = '0';
1122         }
1123     }
1124
1125     fd = fopen(fname, "w");
1126
1127     if (!fd)
1128     {
1129         printf(CP[219], fname);
1130         exit(1);
1131     }
1132
1133     /* fprintf(fd, "gnushogi game %d\n", u); */
1134     fprintf(fd, CP[161], version, patchlevel);
1135     fputs(CP[10], fd);
1136     fputs(CP[11], fd);
1137
1138     for (i = 1; i <= GameCnt; i++)
1139     {
1140         f = GameList[i].gmove >> 8;
1141         t = (GameList[i].gmove & 0xFF);
1142         algbr(f, t, GameList[i].flags);
1143
1144         if (GameList[i].flags & book)
1145         {
1146             fprintf(fd, "%c%c%-5s  %5d    Book%7ld %5ld",
1147                     ((f > NO_SQUARES)
1148                      ? ' '
1149                      : (is_promoted[GameList[i].fpiece] ? '+' : ' ')),
1150                     pxx[GameList[i].fpiece],
1151                     ((f > NO_SQUARES)
1152                      ? &mvstr[0][1] : mvstr[0]),
1153                     GameList[i].score,
1154                     GameList[i].nodes,
1155                     GameList[i].time);
1156         }
1157         else
1158         {
1159             fprintf(fd, "%c%c%-5s  %5d     %2d %7ld %5ld",
1160                     (f > NO_SQUARES
1161                      ? ' '
1162                      : (is_promoted[GameList[i].fpiece] ? '+' : ' ')),
1163                     pxx[GameList[i].fpiece],
1164                     (f > NO_SQUARES ? &mvstr[0][1] : mvstr[0]),
1165                     GameList[i].score, GameList[i].depth,
1166                     GameList[i].nodes, GameList[i].time);
1167         }
1168
1169         if ((i % 2) == 0)
1170         {
1171             fprintf(fd, "\n");
1172         }
1173         else
1174         {
1175             fprintf(fd, "         ");
1176         }
1177     }
1178
1179     fprintf(fd, "\n\n");
1180
1181     if (GameList[GameCnt].flags & draw)
1182     {
1183         fprintf(fd, CP[54], DRAW);
1184
1185         if (DRAW == CP[101])
1186         {
1187             short j;
1188
1189             fprintf(fd, "repetition by positions ");
1190
1191             for (j = GameCnt - 1; j >= Game50; j -= 2)
1192             {
1193                 if (GameList[j].hashkey == hashkey &&
1194                     GameList[j].hashbd == hashbd)
1195                     fprintf(fd, "%d ", j);
1196             }
1197
1198             fprintf(fd, "\n");
1199         }
1200     }
1201     else if (GameList[GameCnt].score == -(SCORE_LIMIT + 999))
1202     {
1203         fprintf(fd, "%s\n", ColorStr[player ]);
1204     }
1205     else if (GameList[GameCnt].score == (SCORE_LIMIT + 998))
1206     {
1207         fprintf(fd, "%s\n", ColorStr[player ^ 1]);
1208     }
1209
1210     fclose(fd);
1211 }
1212
1213
1214
1215 void
1216 FlagMove(char c)
1217 {
1218     switch(c)
1219     {
1220     case '?' :
1221         GameList[GameCnt].flags |= badmove;
1222         break;
1223
1224     case '!' :
1225         GameList[GameCnt].flags |= goodmove;
1226         break;
1227
1228 #ifdef EASY_OPENINGS
1229     case '~' :
1230         GameList[GameCnt].flags |= difficult;
1231         break;
1232 #endif
1233     }
1234 }
1235
1236
1237
1238
1239 /*
1240  * Undo the most recent half-move.
1241  */
1242
1243 void
1244 Undo(void)
1245 {
1246     short f, t;
1247
1248     f = GameList[GameCnt].gmove >> 8;
1249     t = GameList[GameCnt].gmove & 0x7F;
1250
1251     if (f > NO_SQUARES)
1252     {
1253         /* the move was a drop */
1254         Captured[color[t]][board[t]]++;
1255         board[t] = no_piece;
1256         color[t] = neutral;
1257         Mvboard[t]--;
1258     }
1259     else
1260     {
1261         if (GameList[GameCnt].flags & promote)
1262             board[f] = unpromoted[board[t]];
1263         else
1264             board[f] = board[t];
1265
1266         color[f] = color[t];
1267         board[t] = GameList[GameCnt].piece;
1268         color[t] = GameList[GameCnt].color;
1269
1270         if (board[t] != no_piece)
1271             Captured[color[f]][unpromoted[board[t]]]--;
1272
1273         if (color[t] != neutral)
1274             Mvboard[t]--;
1275
1276         Mvboard[f]--;
1277     }
1278
1279     InitializeStats();
1280
1281     if (TCflag && (TCmoves > 1))
1282         ++TimeControl.moves[color[f]];
1283
1284     hashkey = GameList[GameCnt].hashkey;
1285     hashbd = GameList[GameCnt].hashbd;
1286     GameCnt--;
1287     computer = computer ^ 1;
1288     opponent = opponent ^ 1;
1289     flag.mate = false;
1290     Sdepth = 0;
1291     player = player ^ 1;
1292     ShowSidetoMove();
1293     UpdateDisplay(0, 0, 1, 0);
1294
1295     if (flag.regularstart)
1296         Book = false;
1297 }
1298
1299
1300
1301 void
1302 FlagString(unsigned short flags, char *s)
1303 {
1304     short l, piece;
1305     *s = '\0';
1306
1307     if (flags & promote)
1308         strcat(s, " promote");
1309
1310     if (flags & dropmask)
1311         strcat(s, " drop:");
1312
1313     if ((piece = (flags & pmask)))
1314     {
1315         l = strlen(s);
1316
1317         if (is_promoted[piece])
1318             s[l++] = '+';
1319
1320         s[l++] = pxx[piece];
1321         s[l] = '\0';
1322     }
1323
1324     if (flags & capture)
1325         strcat(s, " capture");
1326
1327     if (flags & exact)
1328         strcat(s, " exact");
1329
1330     if (flags & tesuji)
1331         strcat(s, " tesuji");
1332
1333     if (flags & check)
1334         strcat(s, " check");
1335
1336     if (flags & draw)
1337         strcat(s, " draw");
1338
1339     if (flags & stupid)
1340         strcat(s, " stupid");
1341
1342     if (flags & questionable)
1343         strcat(s, " questionable");
1344
1345     if (flags & kingattack)
1346         strcat(s, " kingattack");
1347
1348     if (flags & book)
1349         strcat(s, " book");
1350 }
1351
1352
1353
1354 void
1355 TestSpeed(void(*f)(short side, short ply,
1356                    short in_check, short blockable),
1357           unsigned j)
1358 {
1359 #ifdef test
1360     unsigned jj;
1361 #endif
1362
1363     unsigned i;
1364     long cnt, t1, t2;
1365
1366 #ifdef HAVE_GETTIMEOFDAY
1367     struct timeval tv;
1368 #endif
1369
1370 #ifdef HAVE_GETTIMEOFDAY
1371     gettimeofday(&tv, NULL);
1372     t1 = (tv.tv_sec*100 + (tv.tv_usec/10000));
1373 #else
1374     t1 = time(0);
1375 #endif
1376
1377     for (i = 0; i < j; i++)
1378     {
1379         f(opponent, 2, -1, true);
1380
1381 #ifdef test
1382         for (jj = TrPnt[2]; i < TrPnt[3]; jj++)
1383         {
1384             if (!pick(jj, TrPnt[3] - 1))
1385                 break;
1386         }
1387 #endif
1388     }
1389
1390 #ifdef HAVE_GETTIMEOFDAY
1391     gettimeofday(&tv, NULL);
1392     t2 = (tv.tv_sec * 100 + (tv.tv_usec / 10000));
1393 #else
1394     t2 = time(0);
1395 #endif
1396
1397     cnt = j * (TrPnt[3] - TrPnt[2]);
1398
1399     if (t2 - t1)
1400         et = (t2 - t1);
1401     else
1402         et = 1;
1403
1404     ShowNodeCnt(cnt);
1405 }
1406
1407
1408
1409 void
1410 TestPSpeed(short(*f) (short side), unsigned j)
1411 {
1412     short i;
1413     long cnt, t1, t2;
1414 #ifdef HAVE_GETTIMEOFDAY
1415     struct timeval tv;
1416 #endif
1417
1418 #ifdef HAVE_GETTIMEOFDAY
1419     gettimeofday(&tv, NULL);
1420     t1 = (tv.tv_sec * 100 + (tv.tv_usec / 10000));
1421 #else
1422     t1 = time(0);
1423 #endif
1424
1425     for (i = 0; i < j; i++)
1426         (void) f(opponent);
1427
1428 #ifdef HAVE_GETTIMEOFDAY
1429     gettimeofday(&tv, NULL);
1430     t2 = (tv.tv_sec * 100 + (tv.tv_usec / 10000));
1431 #else
1432     t2 = time(0);
1433 #endif
1434
1435     cnt = j;
1436
1437     if (t2 - t1)
1438         et = (t2 - t1);
1439     else
1440         et = 1;
1441
1442     ShowNodeCnt(cnt);
1443 }
1444
1445
1446
1447 void
1448 SetOppTime(char *s)
1449 {
1450     char *time;
1451     int m, t, sec;
1452
1453     sec = 0;
1454     time = &s[strlen(CP[228])];
1455     t = (int)strtol(time, &time, 10);
1456
1457     if (*time == ':')
1458     {
1459         time++;
1460         sec = (int)strtol(time, &time, 10);
1461     }
1462
1463     m = (int)strtol(time, &time, 10);
1464
1465     if (t)
1466         TimeControl.clock[opponent] = t;
1467
1468     if (m)
1469         TimeControl.moves[opponent] = m;
1470
1471     ElapsedTime(COMPUTE_AND_INIT_MODE);
1472
1473     if (XSHOGI)
1474     {
1475         /* just to inform xshogi about availability of otime command */
1476         printf("otime %d %d\n", t, m);
1477     }
1478 }
1479
1480
1481
1482 void
1483 SetMachineTime(char *s)
1484 {
1485     char *time;
1486     int m, t, sec;
1487
1488     time = &s[strlen(CP[197])];
1489     sec = 0;
1490     t = (int)strtol(time, &time, 10);
1491
1492     if (*time == ':')
1493     {
1494         time++;
1495         sec = (int)strtol(time, &time, 10);
1496     }
1497
1498     m = (int)strtol(time, &time, 10);
1499
1500     if (t)
1501         TimeControl.clock[computer] = t;
1502
1503     if (m)
1504         TimeControl.moves[computer] = m;
1505
1506     ElapsedTime(COMPUTE_AND_INIT_MODE);
1507
1508     if (XSHOGI)
1509     {
1510         /* just to inform xshogi about availability of time command */
1511         printf("time %d %d\n", t, m);
1512     }
1513 }
1514
1515
1516
1517
1518
1519 /* FIXME!  This is truly the function from hell! */
1520
1521 /*
1522  * Process the user's command. If easy mode is OFF (the computer is thinking
1523  * on opponents time) and the program is out of book, then make the 'hint'
1524  * move on the board and call SelectMove() to find a response. The user
1525  * terminates the search by entering ^C (quit siqnal) before entering a
1526  * command. If the opponent does not make the hint move, then set Sdepth to
1527  * zero.
1528  */
1529
1530 void
1531 InputCommand(char *command)
1532 {
1533     int eof = 0;
1534     short have_shown_prompt = false;
1535     short ok, done, is_move = false;
1536     unsigned short mv;
1537     char s[80], sx[80];
1538
1539     ok = flag.quit = done = false;
1540     player = opponent;
1541
1542 #if ttblsz
1543     if (TTadd > ttbllimit)
1544         ZeroTTable();
1545 #endif
1546
1547     if ((hint > 0) && !flag.easy && !flag.force)
1548     {
1549         /*
1550          * A hint move for the player is available.  Compute a move for the
1551          * opponent in background mode assuming that the hint move will be
1552          * selected by the player.
1553          */
1554
1555         ft = time0; /* Save reference time for the player. */
1556         fflush(stdout);
1557         algbr((short) hint >> 8, (short) hint & 0xff, false);
1558         strcpy(s, mvstr[0]);
1559
1560 #if !defined NOPOST
1561         if (flag.post)
1562             GiveHint();
1563 #endif
1564
1565         /* do the hint move */
1566         if (VerifyMove(s, VERIFY_AND_TRY_MODE, &mv))
1567         {
1568             Sdepth = 0;
1569
1570 #ifdef QUIETBACKGROUND
1571             ShowPrompt();
1572             have_shown_prompt = true;
1573 #endif /* QUIETBACKGROUND */
1574
1575             /* Start computing a move until the search is interrupted. */
1576
1577 #ifdef INTERRUPT_TEST
1578             itime0 = 0;
1579 #endif
1580
1581             /* would love to put null move in here */
1582             /* after we make the hint move make a 2 ply search
1583              * with both plys our moves */
1584             /* think on opponents time */
1585             SelectMove(computer, BACKGROUND_MODE);
1586
1587 #ifdef INTERRUPT_TEST
1588             ElapsedTime(COMPUTE_INTERRUPT_MODE);
1589
1590             if (itime0 == 0)
1591             {
1592                 printf("searching not terminated by interrupt!\n");
1593             }
1594             else
1595             {
1596                 printf("elapsed time from interrupt to "
1597                        "terminating search: %ld\n", it);
1598             }
1599 #endif
1600
1601             /* undo the hint and carry on */
1602             VerifyMove(s, UNMAKE_MODE, &mv);
1603             Sdepth = 0;
1604         }
1605
1606         time0 = ft; /* Restore reference time for the player. */
1607     }
1608
1609     while(!(ok || flag.quit || done))
1610     {
1611         player = opponent;
1612
1613 #ifdef QUIETBACKGROUND
1614         if (!have_shown_prompt)
1615         {
1616 #endif /* QUIETBACKGROUND */
1617
1618             ShowPrompt();
1619
1620 #ifdef QUIETBACKGROUND
1621         }
1622
1623         have_shown_prompt = false;
1624 #endif /* QUIETBACKGROUND */
1625
1626         if (command == NULL) {
1627             if (NOT_CURSES)
1628                 s[0] = '\0';
1629
1630             eof = GetString(sx);
1631         } else {
1632             strcpy(sx, command);
1633             done = true;
1634         }
1635
1636         sscanf(sx, "%s", s);
1637
1638         if (eof)
1639             ExitShogi();
1640
1641         if (s[0] == '\0')
1642             continue;
1643
1644         if (strcmp(s, CP[131]) == 0)   /* bd -- display board */
1645         {
1646             /* FIXME: Hack alert! */
1647             short old_xshogi = XSHOGI;
1648
1649             if (old_xshogi)
1650                 display_type = DISPLAY_RAW;
1651
1652             ClearScreen();
1653             UpdateDisplay(0, 0, 1, 0);
1654
1655             if (old_xshogi)
1656                 display_type = DISPLAY_X;
1657         }
1658         else if (strcmp(s, "post") == 0)
1659         {
1660             flag.post = !flag.post;
1661         }
1662         else if (strcmp(s, CP[129]) == 0)
1663         {
1664             /* noop */ ; /* alg */
1665         }
1666         else if ((strcmp(s, CP[180]) == 0)
1667                  || (strcmp(s, CP[216]) == 0))  /* quit exit */
1668         {
1669             flag.quit = true;
1670         }
1671 #if !defined NOPOST
1672         else if (strcmp(s, CP[178]) == 0)  /* post */
1673         {
1674             flag.post = !flag.post;
1675         }
1676 #endif
1677         else if ((strcmp(s, CP[191]) == 0)
1678                  || (strcmp(s, CP[154]) == 0))  /* set edit */
1679         {
1680             EditBoard();
1681         }
1682         else if (NOT_CURSES && (strcmp(s, CP[190]) == 0))  /* setup */
1683         {
1684             SetupBoard();
1685         }
1686         else if (strcmp(s, CP[156]) == 0)  /* first */
1687         {
1688             ok = true;
1689         }
1690         else if (strcmp(s, CP[162]) == 0)  /* go */
1691         {
1692             ok = true;
1693             flag.force = false;
1694
1695             if (computer == black)
1696             {
1697                 computer = white;
1698                 opponent = black;
1699             }
1700             else
1701             {
1702                 computer = black;
1703                 opponent = white;
1704             }
1705         }
1706         else if (strcmp(s, CP[166]) == 0)  /* help */
1707         {
1708             help();
1709         }
1710         else if (strcmp(s, CP[221]) == 0)  /* material */
1711         {
1712             flag.material = !flag.material;
1713         }
1714         else if (strcmp(s, CP[157]) == 0)  /* force */
1715         {
1716             if (XSHOGI)
1717             {
1718                 flag.force = true;
1719                 flag.bothsides = false;
1720             }
1721             else
1722             {
1723                 flag.force = !flag.force;
1724                 flag.bothsides = false;
1725             }
1726         }
1727         else if (strcmp(s, CP[134]) == 0)  /* book */
1728         {
1729             Book = Book ? 0 : BOOKFAIL;
1730         }
1731         else if (strcmp(s, CP[172]) == 0)  /* new */
1732         {
1733             NewGame();
1734             UpdateDisplay(0, 0, 1, 0);
1735         }
1736         else if (strcmp(s, CP[171]) == 0)  /* list */
1737         {
1738             ListGame();
1739         }
1740         else if ((strcmp(s, CP[169]) == 0)
1741                  || (strcmp(s, CP[217]) == 0))  /* level clock */
1742         {
1743             SelectLevel(sx);
1744         }
1745         else if (strcmp(s, CP[165]) == 0)  /* hash */
1746         {
1747             flag.hash = !flag.hash;
1748         }
1749         else if (strcmp(s, CP[227]) == 0)  /* gamein */
1750         {
1751             flag.gamein = !flag.gamein;
1752         }
1753         else if (strcmp(s, CP[226]) == 0)  /* beep */
1754         {
1755             flag.beep = !flag.beep;
1756         }
1757         else if (strcmp(s, CP[197]) == 0)  /* time */
1758         {
1759             SetMachineTime(sx);
1760         }
1761         else if (strcmp(s, CP[228]) == 0)  /* otime */
1762         {
1763             SetOppTime(sx);
1764         }
1765         else if (strcmp(s, CP[33]) == 0)   /* Awindow */
1766         {
1767             ChangeAlphaWindow();
1768         }
1769         else if (strcmp(s, CP[39]) == 0)   /* Bwindow */
1770         {
1771             ChangeBetaWindow();
1772         }
1773         else if (strcmp(s, CP[183]) == 0)  /* rcptr */
1774         {
1775             flag.rcptr = !flag.rcptr;
1776         }
1777         else if (strcmp(s, CP[168]) == 0)  /* hint */
1778         {
1779             GiveHint();
1780         }
1781         else if (strcmp(s, CP[135]) == 0)  /* both */
1782         {
1783             flag.bothsides = !flag.bothsides;
1784             flag.force = false;
1785             Sdepth = 0;
1786             ElapsedTime(COMPUTE_AND_INIT_MODE);
1787             SelectMove(opponent, FOREGROUND_MODE);
1788             ok = true;
1789         }
1790         else if (strcmp(s, CP[185]) == 0)  /* reverse */
1791         {
1792             flag.reverse = !flag.reverse;
1793             ClearScreen();
1794             UpdateDisplay(0, 0, 1, 0);
1795         }
1796         else if (strcmp(s, CP[195]) == 0)  /* switch */
1797         {
1798             computer = computer ^ 1;
1799             opponent = opponent ^ 1;
1800             xwndw = (computer == black) ? WXWNDW : BXWNDW;
1801             flag.force = false;
1802             Sdepth = 0;
1803             ok = true;
1804         }
1805         else if (strcmp(s, CP[203]) == 0)  /* black */
1806         {
1807             computer = white;
1808             opponent = black;
1809             xwndw = WXWNDW;
1810             flag.force = false;
1811             Sdepth = 0;
1812
1813             /*
1814              * ok = true; don't automatically start with black command
1815              */
1816         }
1817         else if (strcmp(s, CP[133]) == 0)  /* white */
1818         {
1819             computer = black;
1820             opponent = white;
1821             xwndw = BXWNDW;
1822             flag.force = false;
1823             Sdepth = 0;
1824
1825             /*
1826              * ok = true; don't automatically start with white command
1827              */
1828         }
1829         else if (strcmp(s, CP[201]) == 0 && GameCnt > 0)   /* undo */
1830         {
1831             Undo();
1832         }
1833         else if (strcmp(s, CP[184]) == 0 && GameCnt > 1)   /* remove */
1834         {
1835             Undo();
1836             Undo();
1837         }
1838         /* CHECKME: are these next three correct? */
1839         else if (!XSHOGI && strcmp(s, CP[207]) == 0)  /* xget */
1840         {
1841             GetXGame();
1842         }
1843         else if (!XSHOGI && strcmp(s, "xsave") == 0)        /* xsave */
1844         {
1845             SaveXGame();
1846         }
1847         else if (!XSHOGI && strcmp(s, "bsave") == 0)        /* bsave */
1848         {
1849             BookSave();
1850         }
1851 #ifdef EASY_OPENINGS
1852         else if ((strcmp(s, "?") == 0)
1853                  || (strcmp(s, "!") == 0)
1854                  || (strcmp(s, "~") == 0))
1855 #else
1856         else if ((strcmp(s, "?") == 0)
1857                  || (strcmp(s, "!") == 0))
1858 #endif
1859         {
1860             FlagMove(*s);
1861         }
1862         else if (strcmp(s, CP[160]) == 0)    /* get */
1863         {
1864             GetGame();
1865         }
1866         else if (strcmp(s, CP[189]) == 0)    /* save */
1867         {
1868             SaveGame();
1869         }
1870         else if (strcmp(s, CP[151]) == 0)    /* depth */
1871         {
1872             ChangeSearchDepth();
1873         }
1874         else if (strcmp(s, CP[164]) == 0)    /* hashdepth */
1875         {
1876             ChangeHashDepth();
1877         }
1878         else if (strcmp(s, CP[182]) == 0)    /* random */
1879         {
1880             dither = DITHER;
1881         }
1882         else if (strcmp(s, CP[229]) == 0)    /* hard */
1883         {
1884             flag.easy = false;
1885         }
1886         else if (strcmp(s, CP[152]) == 0)    /* easy */
1887         {
1888             flag.easy = !flag.easy;
1889         }
1890         else if (strcmp(s, CP[230]) == 0)    /* tsume */
1891         {
1892             flag.tsume = !flag.tsume;
1893         }
1894         else if (strcmp(s, CP[143]) == 0)    /* contempt */
1895         {
1896             SetContempt();
1897         }
1898         else if (strcmp(s, CP[209]) == 0)    /* xwndw */
1899         {
1900             ChangeXwindow();
1901         }
1902         else if (strcmp(s, CP[186]) == 0)    /* rv */
1903         {
1904             flag.rv = !flag.rv;
1905             UpdateDisplay(0, 0, 1, 0);
1906         }
1907         else if (strcmp(s, CP[145]) == 0)    /* coords */
1908         {
1909             flag.coords = !flag.coords;
1910             UpdateDisplay(0, 0, 1, 0);
1911         }
1912         else if (strcmp(s, CP[193]) == 0)    /* stars */
1913         {
1914             flag.stars = !flag.stars;
1915             UpdateDisplay(0, 0, 1, 0);
1916         }
1917         else if (!XSHOGI && strcmp(s, CP[5]) == 0)          /* moves */
1918         {
1919             short temp;
1920
1921 #if MAXDEPTH > 3
1922             if (GameCnt > 0)
1923             {
1924                 extern unsigned short PrVar[MAXDEPTH];
1925
1926                 SwagHt = (GameList[GameCnt].gmove == PrVar[1])
1927                     ? PrVar[2] : 0;
1928             }
1929             else
1930 #endif
1931                 SwagHt = 0;
1932
1933             ShowMessage(CP[108]);  /* test movelist */
1934             temp = generate_move_flags;
1935             generate_move_flags = true;
1936             TestSpeed(MoveList, 1);
1937             generate_move_flags = temp;
1938             ShowMessage(CP[107]);  /* test capturelist */
1939             TestSpeed(CaptureList, 1);
1940             ShowMessage(CP[85]);   /* test score position */
1941             ExaminePosition(opponent);
1942             TestPSpeed(ScorePosition, 1);
1943         }
1944         else if (!XSHOGI && strcmp(s, CP[196]) == 0)    /* test */
1945         {
1946 #ifdef SLOW_CPU
1947             ShowMessage(CP[108]); /* test movelist */
1948             TestSpeed(MoveList, 2000);
1949             ShowMessage(CP[107]); /* test capturelist */
1950             TestSpeed(CaptureList, 3000);
1951             ShowMessage(CP[85]); /* test score position */
1952             ExaminePosition(opponent);
1953             TestPSpeed(ScorePosition, 1500);
1954 #else
1955             ShowMessage(CP[108]); /* test movelist */
1956             TestSpeed(MoveList, 20000);
1957             ShowMessage(CP[107]); /* test capturelist */
1958             TestSpeed(CaptureList, 30000);
1959             ShowMessage(CP[85]); /* test score position */
1960             ExaminePosition(opponent);
1961             TestPSpeed(ScorePosition, 15000);
1962 #endif
1963         }
1964         else if (!XSHOGI && strcmp(s, CP[179]) == 0) /* p */
1965         {
1966             ShowPostnValues();
1967         }
1968         else if (!XSHOGI && strcmp(s, CP[148]) == 0)    /* debug */
1969         {
1970             DoDebug();
1971         }
1972         else
1973         {
1974             if (flag.mate)
1975             {
1976                 ok = true;
1977             }
1978             else if ((ok = VerifyMove(s, VERIFY_AND_MAKE_MODE, &mv)))
1979             {
1980                 /* check for repetition */
1981                 short rpt = repetition();
1982
1983                 if (rpt >= 3)
1984                 {
1985                     DRAW = CP[101];
1986                     ShowMessage(DRAW);
1987                     GameList[GameCnt].flags |= draw;
1988
1989                         flag.mate = true;
1990                 }
1991                 else
1992                 {
1993                     is_move = true;
1994                 }
1995             }
1996
1997             Sdepth = 0;
1998         }
1999     }
2000
2001     ElapsedTime(COMPUTE_AND_INIT_MODE);
2002
2003     if (flag.force)
2004     {
2005         computer = opponent;
2006         opponent = computer ^ 1;
2007     }
2008
2009     if (XSHOGI)
2010     {
2011         /* add remaining time in milliseconds for xshogi */
2012         if (is_move)
2013         {
2014             printf("%d. %s %ld\n",
2015                    ++mycnt2, s, TimeControl.clock[player] * 10);
2016         }
2017
2018 #ifdef notdef /* optional pass best line to frontend with move */
2019 #  if !defined NOPOST
2020
2021         if (flag.post && !flag.mate)
2022         {
2023             int i;
2024
2025             printf(" %6d ", MSCORE);
2026
2027             for (i = 1; MV[i] > 0; i++)
2028             {
2029                 algbr((short) (MV[i] >> 8), (short) (MV[i] & 0xFF), false);
2030                 printf("%5s ", mvstr[0]);
2031             }
2032         }
2033 #  endif
2034         printf("\n");
2035 #endif
2036     }
2037 }
2038
2039
2040
2041
2042 void
2043 SetTimeControl(void)
2044 {
2045     if (TCflag)
2046     {
2047         TimeControl.moves[black] = TimeControl.moves[white] = TCmoves;
2048         TimeControl.clock[black] += 6000L * TCminutes + TCseconds * 100;
2049         TimeControl.clock[white] += 6000L * TCminutes + TCseconds * 100;
2050     }
2051     else
2052     {
2053         TimeControl.moves[black] = TimeControl.moves[white] = 0;
2054         TimeControl.clock[black] = TimeControl.clock[white] = 0;
2055     }
2056
2057     flag.onemove = (TCmoves == 1);
2058     et = 0;
2059     ElapsedTime(COMPUTE_AND_INIT_MODE);
2060 }
2061