gnushogi/rawdsp.c

   1 /*
   2  * FILE: rawdsp.c
   3  *
   4  * ----------------------------------------------------------------------
   5  * Copyright (c) 1993, 1994, 1995 Matthias Mutz
   6  * Copyright (c) 1999 Michael Vanier and the Free Software Foundation
   7  * Copyright (c) 2008, 2013, 2014 Yann Dirson and the Free Software Foundation
   8  *
   9  * GNU SHOGI is based on GNU CHESS
  10  *
  11  * Copyright (c) 1988, 1989, 1990 John Stanback
  12  * Copyright (c) 1992 Free Software Foundation
  13  *
  14  * This file is part of GNU SHOGI.
  15  *
  16  * GNU Shogi is free software; you can redistribute it and/or modify it
  17  * under the terms of the GNU General Public License as published by the
  18  * Free Software Foundation; either version 3 of the License,
  19  * or (at your option) any later version.
  20  *
  21  * GNU Shogi is distributed in the hope that it will be useful, but WITHOUT
  22  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  23  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  24  * for more details.
  25  *
  26  * You should have received a copy of the GNU General Public License along
  27  * with GNU Shogi; see the file COPYING. If not, see
  28  * <http://www.gnu.org/licenses/>.
  29  * ----------------------------------------------------------------------
  30  *
  31  */
  32
  33 #include <ctype.h>
  34 #include <signal.h>
  35 #include <stdarg.h>
  36 #include <sys/param.h>
  37 #include <sys/types.h>
  38 #include <sys/file.h>
  39 #ifndef WIN32
  40 #include <poll.h>
  41 #include <unistd.h>
  42 #endif
  43
  44 #include "gnushogi.h"
  45 #include "rawdsp.h"
  46
  47 unsigned short MV[MAXDEPTH];
  48 int MSCORE;
  49
  50 int mycnt1, mycnt2;
  51 char *DRAW;
  52 extern char *InPtr;
  53 extern short pscore[];
  54
  55
  56 /****************************************
  57  * Trivial output functions.
  58  ****************************************/
  59
  60 void
  61 Raw_ClearScreen(void)
  62 {
  63     if (!barebones && !XSHOGI)
  64         printf("\n");
  65 }
  66
  67
  68 void
  69 Raw_ShowPrompt(void)
  70 {
  71     if (!barebones && !XSHOGI)
  72     {
  73         fputs("\nYour move is? ", stdout);
  74     }
  75 }
  76
  77
  78 void
  79 Raw_ShowCurrentMove(short pnt, short f, short t)
  80 {
  81 }
  82
  83
  84 void
  85 Raw_ShowDepth(char ch)
  86 {
  87     if (!barebones && !XSHOGI)
  88     {
  89         printf("Depth= %d%c ", Sdepth, ch);
  90         printf("\n");
  91     }
  92 }
  93
  94
  95 void
  96 Raw_ShowGameType(void)
  97 {
  98     if (flag.post)
  99         printf("%c vs. %c\n", GameType[black], GameType[white]);
 100 }
 101
 102
 103 void
 104 Raw_ShowLine(unsigned short *bstline)
 105 {
 106     int i;
 107
 108     for (i = 1; bstline[i] > 0; i++)
 109     {
 110         if ((i > 1) && (i % 8 == 1))
 111             printf("\n                          ");
 112
 113         algbr((short)(bstline[i] >> 8), (short)(bstline[i] & 0xFF), false);
 114         printf("%5s ", mvstr[0]);
 115     }
 116
 117     printf("\n");
 118 }
 119
 120
 121 void
 122 Raw_ShowMessage(char *s)
 123 {
 124     if (!XSHOGI)
 125         printf("%s\n", s);
 126 }
 127
 128
 129 void
 130 Raw_AlwaysShowMessage(const char *format, va_list ap)
 131 {
 132     vprintf(format, ap);
 133     printf("\n");
 134 }
 135
 136
 137 void
 138 Raw_Printf(const char *format, va_list ap)
 139 {
 140     vprintf(format, ap);
 141 }
 142
 143
 144 void
 145 Raw_doRequestInputString(const char* fmt, char* buffer)
 146 {
 147     scanf(fmt, buffer);
 148 }
 149
 150
 151 int
 152 Raw_GetString(char* sx)
 153 {
 154     int eof = 0;
 155     sx[0] = '\0';
 156
 157     while(!eof && !sx[0])
 158         eof = (fgets(sx, 80, stdin) == NULL);
 159     return eof;
 160 }
 161
 162
 163 void
 164 Raw_ShowNodeCnt(long NodeCnt)
 165 {
 166     printf("Nodes = %ld Nodes/sec = %ld\n",
 167            NodeCnt, (((et) ? ((NodeCnt * 100) / et) : 0)));
 168 }
 169
 170
 171 void
 172 Raw_ShowPatternCount(short side, short n)
 173 {
 174     if (flag.post)
 175         printf("%s matches %d pattern(s)\n", ColorStr[side], n);
 176 }
 177
 178
 179 void
 180 Raw_ShowResponseTime(void)
 181 {
 182 }
 183
 184
 185 void
 186 Raw_ShowResults(short score, unsigned short *bstline, char ch)
 187 {
 188     if (flag.post  && !XSHOGI)
 189     {
 190         ElapsedTime(2);
 191         printf("%2d%c %6d %4ld %8ld  ",
 192                Sdepth, ch, score, et / 100, NodeCnt);
 193         Raw_ShowLine(bstline);
 194     }
 195 }
 196
 197
 198 void
 199 Raw_ShowSidetoMove(void)
 200 {
 201 }
 202
 203
 204 void
 205 Raw_ShowStage(void)
 206 {
 207     printf("stage = %d\n", stage);
 208     printf("balance[black] = %d balance[white] = %d\n",
 209            balance[black], balance[white]);
 210 }
 211
 212 /****************************************
 213  * End of trivial output routines.
 214  ****************************************/
 215
 216 void
 217 Raw_Initialize(void)
 218 {
 219     mycnt1 = mycnt2 = 0;
 220
 221     if (XSHOGI)
 222     {
 223 #ifdef WIN32
 224         /* needed because of inconsistency between MSVC run-time system and gcc includes */
 225         setbuf(stdout, NULL);
 226 #else
 227 #ifdef HAVE_SETVBUF
 228         setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
 229 #else
 230 #  ifdef HAVE_SETLINEBUF
 231         setlinebuf(stdout);
 232 #  else
 233 #    error "Need setvbuf() or setlinebuf() to compile gnushogi!"
 234 #  endif
 235 #endif
 236 #endif
 237         printf("GNU Shogi %s\n", PACKAGE_VERSION);
 238     }
 239
 240     if (hard_time_limit)
 241     {
 242         if (!TCflag && (MaxResponseTime == 0))
 243             MaxResponseTime = 15L * 100L;
 244     }
 245 }
 246
 247
 248 void
 249 Raw_ExitShogi(void)
 250 {
 251     /* CHECKME: what purpose does this next statement serve? */
 252     signal(SIGTERM, SIG_IGN);
 253
 254     if (!nolist)
 255         ListGame();
 256
 257     exit(0);
 258 }
 259
 260
 261 void
 262 Raw_Die(int sig)
 263 {
 264     char s[80];
 265
 266     Raw_ShowMessage("Abort? ");
 267     scanf("%s", s);
 268
 269     if (strcmp(s, "yes") == 0)
 270         Raw_ExitShogi();
 271 }
 272
 273
 274 void
 275 Raw_TerminateSearch(int sig)
 276 {
 277 #ifdef INTERRUPT_TEST
 278     ElapsedTime(INIT_INTERRUPT_MODE);
 279 #endif
 280
 281     if (!flag.timeout)
 282         flag.back = true; /* previous: flag.timeout = true; */
 283
 284     flag.bothsides = false;
 285 }
 286
 287
 288 void
 289 Raw_help(void)
 290 {
 291     Raw_ClearScreen();
 292     printf("GNU Shogi %s command summary\n", PACKAGE_VERSION);
 293     printf("----------------------------------"
 294            "------------------------------\n");
 295     fputs ("7g7f      move from 7g to 7f      quit      Exit Shogi\n", stdout);
 296     printf("S6h       move silver to 6h       beep      turn %s\n", (flag.beep) ? "OFF" : "ON");
 297     printf("2d2c+     move to 2c and promote  material  turn %s\n", (flag.material) ? "OFF" : "ON");
 298     printf("P*5e      drop pawn to 5e         easy      turn %s\n", (flag.easy) ? "OFF" : "ON");
 299     printf("tsume     toggle tsume mode       hash      turn %s\n", (flag.hash) ? "OFF" : "ON");
 300     fputs ("bd        redraw board            reverse   board display\n", stdout);
 301     printf("list      game to shogi.lst       book      turn %s used %d of %d\n", (Book) ? "OFF" : "ON", bookcount, booksize);
 302     fputs ("undo      undo last ply           remove    take back a move\n", stdout);
 303     fputs ("edit      edit board              force     toggle manual move mode\n", stdout);
 304     fputs ("switch    sides with computer     both      computer match\n", stdout);
 305     fputs ("black     computer plays black    white     computer plays white\n", stdout);
 306     fputs ("depth     set search depth        clock     set time control\n", stdout);
 307     fputs ("post      principle variation     hint      suggest a move\n", stdout);
 308     fputs ("save      game to file            get       game from file\n", stdout);
 309     printf("xsave     pos. to xshogi file     xget"
 310            "      pos. from xshogi file\n");
 311     fputs("random    randomize play          new       start new game\n", stdout);
 312     printf("--------------------------------"
 313            "--------------------------------\n");
 314     printf("Computer: %-12s Opponent:            %s\n",
 315            ColorStr[computer], ColorStr[opponent]);
 316     printf("Depth:    %-12d Response time:       %d sec\n",
 317            MaxSearchDepth, MaxResponseTime/100);
 318     printf("Random:   %-12s Easy mode:           %s\n",
 319            (dither) ? "ON" : "OFF", (flag.easy) ? "ON" : "OFF");
 320     printf("Beep:     %-12s Transposition file:  %s\n",
 321            (flag.beep) ? "ON" : "OFF", (flag.hash) ? "ON" : "OFF");
 322     printf("Tsume:    %-12s Force:               %s\n",
 323            (flag.tsume) ? "ON" : "OFF", (flag.force) ? "ON" : "OFF");
 324     printf("Time Control %s %d moves %d sec %d add %d depth\n",
 325            (TCflag) ? "ON" : "OFF",
 326            TimeControl.moves[black], TimeControl.clock[black] / 100,
 327            TCadd/100, MaxSearchDepth);
 328 }
 329
 330
 331 /*
 332  * Set up a board position. Pieces are entered by typing the piece followed
 333  * by the location. For example, Nf3 will place a knight on square f3.
 334  */
 335 void
 336 Raw_EditBoard(void)
 337 {
 338     short a, r, c, sq, i, found;
 339     char s[80];
 340
 341     flag.regularstart = true;
 342     Book = BOOKFAIL;
 343     Raw_ClearScreen();
 344     Raw_UpdateDisplay(0, 0, 1, 0);
 345     fputs(".   Exit to main\n", stdout);
 346     fputs("#   Clear board\n", stdout);
 347     fputs("c   Change sides\n", stdout);
 348     fputs("enter piece & location: \n", stdout);
 349
 350     a = black;
 351
 352     while(1)
 353     {
 354         scanf("%s", s);
 355         found = 0;
 356
 357         if (s[0] == '.')
 358             break;
 359
 360         if (s[0] == '#')
 361         {
 362             for (sq = 0; sq < NO_SQUARES; sq++)
 363             {
 364                 board[sq] = no_piece;
 365                 color[sq] = neutral;
 366             }
 367
 368             ClearCaptured();
 369         }
 370
 371         if (s[0] == 'c')
 372             a = otherside[a];
 373
 374         if (s[1] == '*')
 375         {
 376             for (i = pawn; i <= king; i++)
 377             {
 378                 if ((s[0] == pxx[i]) || (s[0] == qxx[i]))
 379                 {
 380                     Captured[a][i]++;
 381                     found = 1;
 382                     break;
 383                 }
 384             }
 385
 386             c = -1;
 387             r = -1;
 388         }
 389         else
 390         {
 391             c = COL_NUM(s[1]);
 392             r = ROW_NUM(s[2]);
 393         }
 394
 395         if ((c >= 0) && (c < NO_COLS) && (r >= 0) && (r < NO_ROWS))
 396         {
 397             sq = locn(r, c);
 398             color[sq] = a;
 399             board[sq] = no_piece;
 400
 401             for (i = no_piece; i <= king; i++)
 402             {
 403                 if ((s[0] == pxx[i]) || (s[0] == qxx[i]))
 404                 {
 405                     if (s[3] == '+')
 406                         board[sq] = promoted[i];
 407                     else
 408                         board[sq] = i;
 409
 410                     found = 1;
 411                     break;
 412                 }
 413             }
 414
 415             if (found == 0)
 416                 color[sq] = neutral;
 417         }
 418     }
 419
 420     for (sq = 0; sq < NO_SQUARES; sq++)
 421         Mvboard[sq] = ((board[sq] != Stboard[sq]) ? 10 : 0);
 422
 423     GameCnt = 0;
 424     Game50 = 1;
 425     ZeroRPT();
 426     Sdepth = 0;
 427     InitializeStats();
 428     Raw_ClearScreen();
 429     Raw_UpdateDisplay(0, 0, 1, 0);
 430 }
 431
 432
 433 /*
 434  * Set up a board position.
 435  * Nine lines of nine characters are used to setup the board. 9a-1a is the
 436  * first line. White pieces are  represented  by  uppercase characters.
 437  */
 438 void
 439 Raw_SetupBoard(void)
 440 {
 441     short r, c, sq, i;
 442     char ch;
 443     char s[80];
 444
 445     NewGame();
 446
 447     fgets(s, 80, stdin);            /* skip "setup" command */
 448
 449     for (r = NO_ROWS - 1; r >= 0; r--)
 450     {
 451         fgets(s, 80, stdin);
 452
 453         for (c = 0; c <= (NO_COLS - 1); c++)
 454         {
 455             ch = s[c];
 456             sq = locn(r, c);
 457             color[sq] = neutral;
 458             board[sq] = no_piece;
 459
 460             for (i = no_piece; i <= king; i++)
 461             {
 462                 if (ch == pxx[i])
 463                 {
 464                     color[sq] = white;
 465                     board[sq] = i;
 466                     break;
 467                 }
 468                 else if (ch == qxx[i])
 469                 {
 470                     color[sq] = black;
 471                     board[sq] = i;
 472                     break;
 473                 }
 474             }
 475         }
 476     }
 477
 478     for (sq = 0; sq < NO_SQUARES; sq++)
 479         Mvboard[sq] = ((board[sq] != Stboard[sq]) ? 10 : 0);
 480
 481     InitializeStats();
 482     Raw_ClearScreen();
 483     Raw_UpdateDisplay(0, 0, 1, 0);
 484     fputs("Setup successful\n", stdout);
 485 }
 486
 487
 488 void
 489 Raw_SearchStartStuff(short side)
 490 {
 491     if (flag.post)
 492     {
 493         printf("\nMove# %d    Target = %ld    Clock: %ld\n",
 494                GameCnt/2 + 1,
 495                ResponseTime, TimeControl.clock[side]);
 496     }
 497 }
 498
 499
 500 void
 501 Raw_OutputMove(void)
 502 {
 503     if (flag.illegal)
 504     {
 505         printf("Illegal position.\n");
 506         return;
 507     }
 508
 509     if (mvstr[0][0] == '\0')
 510         goto nomove;
 511
 512     if (XSHOGI)
 513     {
 514         /* add remaining time in milliseconds to xshogi */
 515         printf("%d. ... %s %ld\n", ++mycnt1, mvstr[0],
 516                (TimeControl.clock[player] - et) * 10);
 517     }
 518     else
 519     {
 520         printf("%d. ... %s\n", ++mycnt1, mvstr[0]);
 521     }
 522
 523  nomove:
 524     if ((root->flags & draw) || (root->score == -(SCORE_LIMIT + 999))
 525         || (root->score == (SCORE_LIMIT + 998)))
 526         goto summary;
 527
 528     if (flag.post)
 529     {
 530         short h, l, t;
 531
 532         h = TREE;
 533         l = 0;
 534         t = TREE >> 1;
 535
 536         while (l != t)
 537         {
 538             if (Tree[t].f || Tree[t].t)
 539                 l = t;
 540             else
 541                 h = t;
 542
 543             t = (l + h) >> 1;
 544         }
 545
 546         printf("Gen %ld Node %ld Tree %d Eval %ld Rate %ld EC %d/%d RS hi %ld lo %ld \n", GenCnt, NodeCnt, t, EvalNodes,
 547                (et > 100) ? (NodeCnt / (et / 100)) : 0,
 548                EADD, EGET, reminus, replus);
 549
 550         printf("Hin/Hout/Tcol/Coll/Fin/Fout = %ld/%ld/%ld/%ld/%ld/%ld\n",
 551                HashAdd, HashCnt, THashCol, HashCol, FHashCnt, FHashAdd);
 552     }
 553
 554     Raw_UpdateDisplay(root->f, root->t, 0, root->flags);
 555
 556     if (!XSHOGI)
 557     {
 558         printf("My move is: %5s\n", mvstr[0]);
 559
 560         if (flag.beep)
 561             printf("%c", 7);
 562     }
 563
 564  summary:
 565     if (root->flags & draw)
 566     {
 567         fputs("Drawn game!\n", stdout);
 568     }
 569     else if (root->score == -(SCORE_LIMIT + 999))
 570     {
 571         printf("%s mates!\n", ColorStr[opponent]);
 572     }
 573     else if (root->score == (SCORE_LIMIT + 998))
 574     {
 575         printf("%s mates!\n", ColorStr[computer]);
 576     }
 577 #ifdef VERYBUGGY
 578     else if (!barebones && (root->score < -SCORE_LIMIT))
 579     {
 580         printf("%s has a forced mate in %d moves!\n",
 581                ColorStr[opponent], SCORE_LIMIT + 999 + root->score - 1);
 582     }
 583     else if (!barebones && (root->score > SCORE_LIMIT))
 584     {
 585         printf("%s has a forced mate in %d moves!\n",
 586                ColorStr[computer], SCORE_LIMIT + 998 - root->score - 1);
 587     }
 588 #endif /* VERYBUGGY */
 589 }
 590
 591
 592 void
 593 Raw_UpdateClocks(void)
 594 {
 595 }
 596
 597
 598 void
 599 Raw_UpdateDisplay(short f, short t, short redraw, short isspec)
 600 {
 601
 602     short r, c, l, m;
 603
 604     if (redraw && !XSHOGI)
 605     {
 606         printf("\n");
 607         r = (short)(TimeControl.clock[black] / 6000);
 608         c = (short)((TimeControl.clock[black] % 6000) / 100);
 609         l = (short)(TimeControl.clock[white] / 6000);
 610         m = (short)((TimeControl.clock[white] % 6000) / 100);
 611         printf("Black %d:%02d  White %d:%02d\n", r, c, l, m);
 612         printf("\n");
 613
 614         for (r = (NO_ROWS - 1); r >= 0; r--)
 615         {
 616             for (c = 0; c <= (NO_COLS - 1); c++)
 617             {
 618                 char pc;
 619                 l = ((flag.reverse)
 620                      ? locn((NO_ROWS - 1) - r, (NO_COLS - 1) - c)
 621                      : locn(r, c));
 622                 pc = (is_promoted[board[l]] ? '+' : ' ');
 623
 624                 if (color[l] == neutral)
 625                     printf(" -");
 626                 else if (color[l] == black)
 627                     printf("%c%c", pc, qxx[board[l]]);
 628                 else
 629                     printf("%c%c", pc, pxx[board[l]]);
 630             }
 631
 632             printf("\n");
 633         }
 634
 635         printf("\n");
 636         {
 637             short side;
 638
 639             for (side = black; side <= white; side++)
 640             {
 641                 short piece, c;
 642                 printf((side == black)?"black ":"white ");
 643
 644                 for (piece = pawn; piece <= king; piece++)
 645                 {
 646                     if ((c = Captured[side][piece]))
 647                         printf("%i%c ", c, pxx[piece]);
 648                 }
 649
 650                 printf("\n");
 651             }
 652         }
 653     }
 654 }
 655
 656
 657 void
 658 Raw_ChangeAlphaWindow(void)
 659 {
 660     printf("WAwindow: ");
 661     scanf("%hd", &WAwindow);
 662     printf("BAwindow: ");
 663     scanf("%hd", &BAwindow);
 664 }
 665
 666
 667 void
 668 Raw_ChangeBetaWindow(void)
 669 {
 670     printf("WBwindow: ");
 671     scanf("%hd", &WBwindow);
 672     printf("BBwindow: ");
 673     scanf("%hd", &BBwindow);
 674 }
 675
 676
 677 void
 678 Raw_GiveHint(void)
 679 {
 680     if (hint)
 681     {
 682         algbr((short) (hint >> 8), (short) (hint & 0xFF), false);
 683         printf("Hint: %s\n", mvstr[0]);
 684     }
 685     else
 686         fputs("I have no idea.\n", stdout);
 687 }
 688
 689
 690 void
 691 Raw_SelectLevel(char *sx)
 692 {
 693
 694     char T[NO_SQUARES + 1], *p, *q;
 695
 696     if ((p = strstr(sx, "level")) != NULL)
 697         p += strlen("level");
 698     else if ((p = strstr(sx, "clock")) != NULL)
 699         p += strlen("clock");
 700
 701     strcat(sx, "XX");
 702     q = T;
 703     *q = '\0';
 704
 705     for (; *p != 'X'; *q++ = *p++);
 706
 707     *q = '\0';
 708
 709     /* line empty ask for input */
 710     if (!T[0])
 711     {
 712         fputs("Enter #moves #minutes: ", stdout);
 713         fgets(T, NO_SQUARES + 1, stdin);
 714         strcat(T, "XX");
 715     }
 716
 717     /* skip blackspace */
 718     for (p = T; *p == ' '; p++) ;
 719
 720     /* could be moves or a fischer clock */
 721     if (*p == 'f')
 722     {
 723         /* its a fischer clock game */
 724         p++;
 725         TCminutes = (short)strtol(p, &q, 10);
 726         TCadd = (short)strtol(q, NULL, 10) *100;
 727         TCseconds = 0;
 728         TCmoves = 50;
 729     }
 730     else
 731     {
 732         /* regular game */
 733         TCadd = 0;
 734         TCmoves = (short)strtol(p, &q, 10);
 735         TCminutes = (short)strtol(q, &q, 10);
 736
 737         if (*q == ':')
 738             TCseconds = (short)strtol(q + 1, (char **) NULL, 10);
 739         else
 740             TCseconds = 0;
 741
 742 #ifdef OPERATORTIME
 743         fputs("Operator time (hundredths) = ", stdout);
 744         scanf("%hd", &OperatorTime);
 745 #endif
 746
 747         if (TCmoves == 0)
 748         {
 749             TCflag = false;
 750             MaxResponseTime = TCminutes*60L * 100L + TCseconds * 100L;
 751             TCminutes = TCseconds = 0;
 752         }
 753         else
 754         {
 755             TCflag = true;
 756             MaxResponseTime = 0;
 757         }
 758     }
 759
 760     TimeControl.clock[black] = TimeControl.clock[white] = 0;
 761     SetTimeControl();
 762
 763     if (XSHOGI)
 764     {
 765         printf("Clocks: %ld %ld\n",
 766                TimeControl.clock[black] * 10,
 767                TimeControl.clock[white] * 10);
 768     }
 769 }
 770
 771
 772 void
 773 Raw_ChangeSearchDepth(void)
 774 {
 775     printf("depth = ");
 776     scanf("%hd", &MaxSearchDepth);
 777     TCflag = !(MaxSearchDepth > 0);
 778 }
 779
 780
 781 void
 782 Raw_ChangeHashDepth(void)
 783 {
 784     printf("hashdepth = ");
 785     scanf("%hd", &HashDepth);
 786     printf("MoveLimit = ");
 787     scanf("%hd", &HashMoveLimit);
 788 }
 789
 790
 791 void
 792 Raw_SetContempt(void)
 793 {
 794     printf("contempt = ");
 795     scanf("%hd", &contempt);
 796 }
 797
 798
 799 void
 800 Raw_ChangeXwindow(void)
 801 {
 802     printf("xwndw = ");
 803     scanf("%hd", &xwndw);
 804 }
 805
 806
 807 /*
 808  * Raw_ShowPostnValue(short sq)
 809  * must have called ExaminePosition() first
 810  */
 811 void
 812 Raw_ShowPostnValue(short sq)
 813 {
 814     short score;
 815     score = ScorePosition(color[sq]);
 816
 817     if (color[sq] != neutral)
 818     {
 819 #if defined SAVE_SVALUE
 820         printf("???%c ", (color[sq] == white)?'b':'w');
 821 #else
 822         printf("%3d%c ", svalue[sq], (color[sq] == white)?'b':'w');
 823 #endif
 824     }
 825     else
 826     {
 827         printf(" *   ");
 828     }
 829 }
 830
 831
 832 void
 833 Raw_DoDebug(void)
 834 {
 835     short c, p, sq, tp, tc, tsq, score, j, k;
 836     char s[40];
 837
 838     ExaminePosition(opponent);
 839     Raw_ShowMessage("Enter piece: ");
 840     scanf("%s", s);
 841     c = neutral;
 842
 843     if ((s[0] == 'b') || (s[0] == 'B'))
 844         c = black;
 845
 846     if ((s[0] == 'w') || (s[0] == 'W'))
 847         c = white;
 848
 849     for (p = king; p > no_piece; p--)
 850     {
 851         if ((s[1] == pxx[p]) || (s[1] == qxx[p]))
 852             break;
 853     }
 854
 855     if (p > no_piece)
 856     {
 857         for (j = (NO_ROWS - 1); j >= 0; j--)
 858         {
 859             for (k = 0; k < (NO_COLS); k++)
 860             {
 861                 sq = j*(NO_COLS) + k;
 862                 tp = board[sq];
 863                 tc = color[sq];
 864                 board[sq] = p;
 865                 color[sq] = c;
 866                 tsq = PieceList[c][1];
 867                 PieceList[c][1] = sq;
 868                 Raw_ShowPostnValue(sq);
 869                 PieceList[c][1] = tsq;
 870                 board[sq] = tp;
 871                 color[sq] = tc;
 872             }
 873
 874             printf("\n");
 875         }
 876     }
 877
 878     score = ScorePosition(opponent);
 879
 880     for (j = (NO_ROWS - 1); j >= 0; j--)
 881     {
 882         for (k = 0; k < (NO_COLS); k++)
 883         {
 884             sq = j*(NO_COLS) + k;
 885
 886             if (color[sq] != neutral)
 887             {
 888 #if defined SAVE_SVALUE
 889                 printf("%?????%c ", (color[sq] == white)?'b':'w');
 890 #else
 891                 printf("%5d%c ", svalue[sq], (color[sq] == white)?'b':'w');
 892 #endif
 893             }
 894             else
 895             {
 896                 printf("    *  ");
 897             }
 898         }
 899
 900         printf("\n");
 901     }
 902
 903     printf("stage = %d\n", stage);
 904     printf("S%d m%d ps%d gt%c m%d ps%d gt%c", score,
 905            mtl[computer], pscore[computer], GameType[computer],
 906            mtl[opponent], pscore[opponent], GameType[opponent]);
 907 }
 908
 909
 910 void
 911 Raw_DoTable(short table[NO_SQUARES])
 912 {
 913     short  sq, j, k;
 914     ExaminePosition(opponent);
 915
 916     for (j = (NO_ROWS - 1); j >= 0; j--)
 917     {
 918         for (k = 0; k < NO_COLS; k++)
 919         {
 920             sq = j*(NO_ROWS) + k;
 921             printf("%3d ", table[sq]);
 922         }
 923
 924         printf("\n");
 925     }
 926 }
 927
 928
 929 void
 930 Raw_ShowPostnValues(void)
 931 {
 932     short sq, score, j, k;
 933     ExaminePosition(opponent);
 934
 935     for (j = (NO_ROWS - 1); j >= 0; j--)
 936     {
 937         for (k = 0; k < NO_COLS; k++)
 938         {
 939             sq = j * NO_COLS + k;
 940             Raw_ShowPostnValue(sq);
 941         }
 942
 943         printf("\n");
 944     }
 945
 946     score = ScorePosition(opponent);
 947     printf("S%d m%d ps%d gt%c m%d ps%d gt%c", score,
 948            mtl[computer], pscore[computer], GameType[computer],
 949            mtl[opponent], pscore[opponent], GameType[opponent]);
 950     printf("\nhung black %d hung white %d\n", hung[black], hung[white]);
 951 }
 952
 953
 954 void
 955 Raw_PollForInput(void)
 956 {
 957 #ifdef WIN32
 958     DWORD cnt;
 959     if (!PeekNamedPipe(GetStdHandle(STD_INPUT_HANDLE), NULL, 0, NULL, &cnt, NULL))
 960         cnt = 1;
 961 #else
 962     static struct pollfd pollfds[1] = { /* [0] = */ { /* .fd = */ STDIN_FILENO,
 963                                                       /* .events = */ POLLIN } };
 964     int cnt = poll(pollfds, sizeof(pollfds)/sizeof(pollfds[0]), 0);
 965     if (cnt < 0) {
 966         perror("polling standard input");
 967         ExitShogi();
 968     }
 969 #endif
 970     if (cnt) { /* if anything to read, or error occured */
 971         if (!flag.timeout)
 972             flag.back = true; /* previous: flag.timeout = true; */
 973         flag.bothsides = false;
 974     }
 975 }