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     printf(".   Exit to main\n");
 346     printf("#   Clear board\n");
 347     printf("c   Change sides\n");
 348     printf("enter piece & location:\n");
 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             continue;
 370         }
 371
 372         if (s[0] == 'c') {
 373             a = otherside[a];
 374             continue;
 375         }
 376
 377         if (s[1] == '*')
 378         {
 379             for (i = pawn; i <= king; i++)
 380             {
 381                 if ((s[0] == pxx[i]) || (s[0] == qxx[i]))
 382                 {
 383                     Captured[a][i]++;
 384                     found = 1;
 385                     break;
 386                 }
 387             }
 388             if (!found)
 389                 printf("# Invalid piece type '%c'\n", s[0]);
 390             continue;
 391         }
 392
 393         c = COL_NUM(s[1]);
 394         r = ROW_NUM(s[2]);
 395
 396         if ((c < 0) || (c >= NO_COLS) || (r < 0) || (r >= NO_ROWS)) {
 397             printf("# Out-of-board position '%c%c'\n", s[1], s[2]);
 398             continue;
 399         }
 400
 401         sq = locn(r, c);
 402
 403         for (i = no_piece; i <= king; i++)
 404         {
 405             if ((s[0] == pxx[i]) || (s[0] == qxx[i]))
 406             {
 407                 color[sq] = a;
 408                 if (s[3] == '+')
 409                     board[sq] = promoted[i];
 410                 else
 411                     board[sq] = i;
 412
 413                 found = 1;
 414                 break;
 415             }
 416         }
 417
 418         if (!found)
 419             printf("# Invalid piece type '%c'\n", s[0]);
 420     }
 421
 422     for (sq = 0; sq < NO_SQUARES; sq++)
 423         Mvboard[sq] = ((board[sq] != Stboard[sq]) ? 10 : 0);
 424
 425     GameCnt = 0;
 426     Game50 = 1;
 427     ZeroRPT();
 428     Sdepth = 0;
 429     InitializeStats();
 430     Raw_ClearScreen();
 431     Raw_UpdateDisplay(0, 0, 1, 0);
 432 }
 433
 434
 435 /*
 436  * Set up a board position.
 437  * Nine lines of nine characters are used to setup the board. 9a-1a is the
 438  * first line. White pieces are  represented  by  uppercase characters.
 439  */
 440 void
 441 Raw_SetupBoard(void)
 442 {
 443     short r, c, sq, i;
 444     char ch;
 445     char s[80];
 446
 447     NewGame();
 448
 449     fgets(s, 80, stdin);            /* skip "setup" command */
 450
 451     for (r = NO_ROWS - 1; r >= 0; r--)
 452     {
 453         fgets(s, 80, stdin);
 454
 455         for (c = 0; c <= (NO_COLS - 1); c++)
 456         {
 457             ch = s[c];
 458             sq = locn(r, c);
 459             color[sq] = neutral;
 460             board[sq] = no_piece;
 461
 462             for (i = no_piece; i <= king; i++)
 463             {
 464                 if (ch == pxx[i])
 465                 {
 466                     color[sq] = white;
 467                     board[sq] = i;
 468                     break;
 469                 }
 470                 else if (ch == qxx[i])
 471                 {
 472                     color[sq] = black;
 473                     board[sq] = i;
 474                     break;
 475                 }
 476             }
 477         }
 478     }
 479
 480     for (sq = 0; sq < NO_SQUARES; sq++)
 481         Mvboard[sq] = ((board[sq] != Stboard[sq]) ? 10 : 0);
 482
 483     InitializeStats();
 484     Raw_ClearScreen();
 485     Raw_UpdateDisplay(0, 0, 1, 0);
 486     fputs("Setup successful\n", stdout);
 487 }
 488
 489
 490 void
 491 Raw_SearchStartStuff(short side)
 492 {
 493     if (flag.post)
 494     {
 495         printf("\nMove# %d    Target = %ld    Clock: %ld\n",
 496                GameCnt/2 + 1,
 497                ResponseTime, TimeControl.clock[side]);
 498     }
 499 }
 500
 501
 502 void
 503 Raw_OutputMove(void)
 504 {
 505     if (flag.illegal)
 506     {
 507         printf("Illegal position.\n");
 508         return;
 509     }
 510
 511     if (mvstr[0][0] == '\0')
 512         goto nomove;
 513
 514     if (XSHOGI)
 515     {
 516         /* add remaining time in milliseconds to xshogi */
 517         printf("%d. ... %s %ld\n", ++mycnt1, mvstr[0],
 518                (TimeControl.clock[player] - et) * 10);
 519     }
 520     else
 521     {
 522         printf("%d. ... %s\n", ++mycnt1, mvstr[0]);
 523     }
 524
 525  nomove:
 526     if ((root->flags & draw) || (root->score == -(SCORE_LIMIT + 999))
 527         || (root->score == (SCORE_LIMIT + 998)))
 528         goto summary;
 529
 530     if (flag.post)
 531     {
 532         short h, l, t;
 533
 534         h = TREE;
 535         l = 0;
 536         t = TREE >> 1;
 537
 538         while (l != t)
 539         {
 540             if (Tree[t].f || Tree[t].t)
 541                 l = t;
 542             else
 543                 h = t;
 544
 545             t = (l + h) >> 1;
 546         }
 547
 548         printf("Gen %ld Node %ld Tree %d Eval %ld Rate %ld EC %d/%d RS hi %ld lo %ld \n", GenCnt, NodeCnt, t, EvalNodes,
 549                (et > 100) ? (NodeCnt / (et / 100)) : 0,
 550                EADD, EGET, reminus, replus);
 551
 552         printf("Hin/Hout/Tcol/Coll/Fin/Fout = %ld/%ld/%ld/%ld/%ld/%ld\n",
 553                HashAdd, HashCnt, THashCol, HashCol, FHashCnt, FHashAdd);
 554     }
 555
 556     Raw_UpdateDisplay(root->f, root->t, 0, root->flags);
 557
 558     if (!XSHOGI)
 559     {
 560         printf("My move is: %5s\n", mvstr[0]);
 561
 562         if (flag.beep)
 563             printf("%c", 7);
 564     }
 565
 566  summary:
 567     if (root->flags & draw)
 568     {
 569         fputs("Drawn game!\n", stdout);
 570     }
 571     else if (root->score == -(SCORE_LIMIT + 999))
 572     {
 573         printf("%s mates!\n", ColorStr[opponent]);
 574     }
 575     else if (root->score == (SCORE_LIMIT + 998))
 576     {
 577         printf("%s mates!\n", ColorStr[computer]);
 578     }
 579 #ifdef VERYBUGGY
 580     else if (!barebones && (root->score < -SCORE_LIMIT))
 581     {
 582         printf("%s has a forced mate in %d moves!\n",
 583                ColorStr[opponent], SCORE_LIMIT + 999 + root->score - 1);
 584     }
 585     else if (!barebones && (root->score > SCORE_LIMIT))
 586     {
 587         printf("%s has a forced mate in %d moves!\n",
 588                ColorStr[computer], SCORE_LIMIT + 998 - root->score - 1);
 589     }
 590 #endif /* VERYBUGGY */
 591 }
 592
 593
 594 void
 595 Raw_UpdateClocks(void)
 596 {
 597 }
 598
 599
 600 void
 601 Raw_UpdateDisplay(short f, short t, short redraw, short isspec)
 602 {
 603
 604     short r, c, l, m;
 605
 606     if (redraw && !XSHOGI)
 607     {
 608         printf("\n");
 609         r = (short)(TimeControl.clock[black] / 6000);
 610         c = (short)((TimeControl.clock[black] % 6000) / 100);
 611         l = (short)(TimeControl.clock[white] / 6000);
 612         m = (short)((TimeControl.clock[white] % 6000) / 100);
 613         printf("Black %d:%02d  White %d:%02d\n", r, c, l, m);
 614         printf("\n");
 615
 616         for (r = (NO_ROWS - 1); r >= 0; r--)
 617         {
 618             for (c = 0; c <= (NO_COLS - 1); c++)
 619             {
 620                 char pc;
 621                 l = ((flag.reverse)
 622                      ? locn((NO_ROWS - 1) - r, (NO_COLS - 1) - c)
 623                      : locn(r, c));
 624                 pc = (is_promoted[board[l]] ? '+' : ' ');
 625
 626                 if (color[l] == neutral)
 627                     printf(" -");
 628                 else if (color[l] == black)
 629                     printf("%c%c", pc, qxx[board[l]]);
 630                 else
 631                     printf("%c%c", pc, pxx[board[l]]);
 632             }
 633
 634             printf("\n");
 635         }
 636
 637         printf("\n");
 638         {
 639             short side;
 640
 641             for (side = black; side <= white; side++)
 642             {
 643                 short piece, c;
 644                 printf((side == black)?"black ":"white ");
 645
 646                 for (piece = pawn; piece <= king; piece++)
 647                 {
 648                     if ((c = Captured[side][piece]))
 649                         printf("%i%c ", c, pxx[piece]);
 650                 }
 651
 652                 printf("\n");
 653             }
 654         }
 655     }
 656 }
 657
 658
 659 void
 660 Raw_ChangeAlphaWindow(void)
 661 {
 662     printf("WAwindow: ");
 663     scanf("%hd", &WAwindow);
 664     printf("BAwindow: ");
 665     scanf("%hd", &BAwindow);
 666 }
 667
 668
 669 void
 670 Raw_ChangeBetaWindow(void)
 671 {
 672     printf("WBwindow: ");
 673     scanf("%hd", &WBwindow);
 674     printf("BBwindow: ");
 675     scanf("%hd", &BBwindow);
 676 }
 677
 678
 679 void
 680 Raw_GiveHint(void)
 681 {
 682     if (hint)
 683     {
 684         algbr((short) (hint >> 8), (short) (hint & 0xFF), false);
 685         printf("Hint: %s\n", mvstr[0]);
 686     }
 687     else
 688         fputs("I have no idea.\n", stdout);
 689 }
 690
 691
 692 void
 693 Raw_SelectLevel(char *sx)
 694 {
 695
 696     char T[NO_SQUARES + 1], *p, *q;
 697
 698     if ((p = strstr(sx, "level")) != NULL)
 699         p += strlen("level");
 700     else if ((p = strstr(sx, "clock")) != NULL)
 701         p += strlen("clock");
 702
 703     strcat(sx, "XX");
 704     q = T;
 705     *q = '\0';
 706
 707     for (; *p != 'X'; *q++ = *p++);
 708
 709     *q = '\0';
 710
 711     /* line empty ask for input */
 712     if (!T[0])
 713     {
 714         fputs("Enter #moves #minutes: ", stdout);
 715         fgets(T, NO_SQUARES + 1, stdin);
 716         strcat(T, "XX");
 717     }
 718
 719     /* skip blackspace */
 720     for (p = T; *p == ' '; p++) ;
 721
 722     /* could be moves or a fischer clock */
 723     if (*p == 'f')
 724     {
 725         /* its a fischer clock game */
 726         p++;
 727         TCminutes = (short)strtol(p, &q, 10);
 728         TCadd = (short)strtol(q, NULL, 10) *100;
 729         TCseconds = 0;
 730         TCmoves = 50;
 731     }
 732     else
 733     {
 734         /* regular game */
 735         TCadd = 0;
 736         TCmoves = (short)strtol(p, &q, 10);
 737         TCminutes = (short)strtol(q, &q, 10);
 738
 739         if (*q == ':')
 740             TCseconds = (short)strtol(q + 1, (char **) NULL, 10);
 741         else
 742             TCseconds = 0;
 743
 744 #ifdef OPERATORTIME
 745         fputs("Operator time (hundredths) = ", stdout);
 746         scanf("%hd", &OperatorTime);
 747 #endif
 748
 749         if (TCmoves == 0)
 750         {
 751             TCflag = false;
 752             MaxResponseTime = TCminutes*60L * 100L + TCseconds * 100L;
 753             TCminutes = TCseconds = 0;
 754         }
 755         else
 756         {
 757             TCflag = true;
 758             MaxResponseTime = 0;
 759         }
 760     }
 761
 762     TimeControl.clock[black] = TimeControl.clock[white] = 0;
 763     SetTimeControl();
 764
 765     if (XSHOGI)
 766     {
 767         printf("Clocks: %ld %ld\n",
 768                TimeControl.clock[black] * 10,
 769                TimeControl.clock[white] * 10);
 770     }
 771 }
 772
 773
 774 void
 775 Raw_ChangeSearchDepth(void)
 776 {
 777     printf("depth = ");
 778     scanf("%hd", &MaxSearchDepth);
 779     TCflag = !(MaxSearchDepth > 0);
 780 }
 781
 782
 783 void
 784 Raw_ChangeHashDepth(void)
 785 {
 786     printf("hashdepth = ");
 787     scanf("%hd", &HashDepth);
 788     printf("MoveLimit = ");
 789     scanf("%hd", &HashMoveLimit);
 790 }
 791
 792
 793 void
 794 Raw_SetContempt(void)
 795 {
 796     printf("contempt = ");
 797     scanf("%hd", &contempt);
 798 }
 799
 800
 801 void
 802 Raw_ChangeXwindow(void)
 803 {
 804     printf("xwndw = ");
 805     scanf("%hd", &xwndw);
 806 }
 807
 808
 809 /*
 810  * Raw_ShowPostnValue(short sq)
 811  * must have called ExaminePosition() first
 812  */
 813 void
 814 Raw_ShowPostnValue(short sq)
 815 {
 816     short score;
 817     score = ScorePosition(color[sq]);
 818
 819     if (color[sq] != neutral)
 820     {
 821 #if defined SAVE_SVALUE
 822         printf("???%c ", (color[sq] == white)?'b':'w');
 823 #else
 824         printf("%3d%c ", svalue[sq], (color[sq] == white)?'b':'w');
 825 #endif
 826     }
 827     else
 828     {
 829         printf(" *   ");
 830     }
 831 }
 832
 833
 834 void
 835 Raw_DoDebug(void)
 836 {
 837     short c, p, sq, tp, tc, tsq, score, j, k;
 838     char s[40];
 839
 840     ExaminePosition(opponent);
 841     Raw_ShowMessage("Enter piece: ");
 842     scanf("%s", s);
 843     c = neutral;
 844
 845     if ((s[0] == 'b') || (s[0] == 'B'))
 846         c = black;
 847
 848     if ((s[0] == 'w') || (s[0] == 'W'))
 849         c = white;
 850
 851     for (p = king; p > no_piece; p--)
 852     {
 853         if ((s[1] == pxx[p]) || (s[1] == qxx[p]))
 854             break;
 855     }
 856
 857     if (p > no_piece)
 858     {
 859         for (j = (NO_ROWS - 1); j >= 0; j--)
 860         {
 861             for (k = 0; k < (NO_COLS); k++)
 862             {
 863                 sq = j*(NO_COLS) + k;
 864                 tp = board[sq];
 865                 tc = color[sq];
 866                 board[sq] = p;
 867                 color[sq] = c;
 868                 tsq = PieceList[c][1];
 869                 PieceList[c][1] = sq;
 870                 Raw_ShowPostnValue(sq);
 871                 PieceList[c][1] = tsq;
 872                 board[sq] = tp;
 873                 color[sq] = tc;
 874             }
 875
 876             printf("\n");
 877         }
 878     }
 879
 880     score = ScorePosition(opponent);
 881
 882     for (j = (NO_ROWS - 1); j >= 0; j--)
 883     {
 884         for (k = 0; k < (NO_COLS); k++)
 885         {
 886             sq = j*(NO_COLS) + k;
 887
 888             if (color[sq] != neutral)
 889             {
 890 #if defined SAVE_SVALUE
 891                 printf("%?????%c ", (color[sq] == white)?'b':'w');
 892 #else
 893                 printf("%5d%c ", svalue[sq], (color[sq] == white)?'b':'w');
 894 #endif
 895             }
 896             else
 897             {
 898                 printf("    *  ");
 899             }
 900         }
 901
 902         printf("\n");
 903     }
 904
 905     printf("stage = %d\n", stage);
 906     printf("S%d m%d ps%d gt%c m%d ps%d gt%c", score,
 907            mtl[computer], pscore[computer], GameType[computer],
 908            mtl[opponent], pscore[opponent], GameType[opponent]);
 909 }
 910
 911
 912 void
 913 Raw_DoTable(short table[NO_SQUARES])
 914 {
 915     short  sq, j, k;
 916     ExaminePosition(opponent);
 917
 918     for (j = (NO_ROWS - 1); j >= 0; j--)
 919     {
 920         for (k = 0; k < NO_COLS; k++)
 921         {
 922             sq = j*(NO_ROWS) + k;
 923             printf("%3d ", table[sq]);
 924         }
 925
 926         printf("\n");
 927     }
 928 }
 929
 930
 931 void
 932 Raw_ShowPostnValues(void)
 933 {
 934     short sq, score, j, k;
 935     ExaminePosition(opponent);
 936
 937     for (j = (NO_ROWS - 1); j >= 0; j--)
 938     {
 939         for (k = 0; k < NO_COLS; k++)
 940         {
 941             sq = j * NO_COLS + k;
 942             Raw_ShowPostnValue(sq);
 943         }
 944
 945         printf("\n");
 946     }
 947
 948     score = ScorePosition(opponent);
 949     printf("S%d m%d ps%d gt%c m%d ps%d gt%c", score,
 950            mtl[computer], pscore[computer], GameType[computer],
 951            mtl[opponent], pscore[opponent], GameType[opponent]);
 952     printf("\nhung black %d hung white %d\n", hung[black], hung[white]);
 953 }
 954
 955
 956 void
 957 Raw_PollForInput(void)
 958 {
 959 #ifdef WIN32
 960     DWORD cnt;
 961     if (!PeekNamedPipe(GetStdHandle(STD_INPUT_HANDLE), NULL, 0, NULL, &cnt, NULL))
 962         cnt = 1;
 963 #else
 964     static struct pollfd pollfds[1] = { /* [0] = */ { /* .fd = */ STDIN_FILENO,
 965                                                       /* .events = */ POLLIN } };
 966     int cnt = poll(pollfds, sizeof(pollfds)/sizeof(pollfds[0]), 0);
 967     if (cnt < 0) {
 968         perror("polling standard input");
 969         ExitShogi();
 970     }
 971 #endif
 972     if (cnt) { /* if anything to read, or error occured */
 973         if (!flag.timeout)
 974             flag.back = true; /* previous: flag.timeout = true; */
 975         flag.bothsides = false;
 976     }
 977 }