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- /*
- * dspcom.c - C source for GNU SHOGI
- *
- * Copyright (c) 1993 Matthias Mutz
- *
- * GNU SHOGI is based on GNU CHESS
- *
- * Copyright (c) 1988,1989,1990 John Stanback
- * Copyright (c) 1992 Free Software Foundation
- *
- * This file is part of GNU SHOGI.
- *
- * GNU Shogi is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 1, or (at your option)
- * any later version.
- *
- * GNU Shogi is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Shogi; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #include "gnushogi.h"
- #include "ataks.h"
- #ifdef DEBUG40
- int whichway;
- #endif
- #if defined HASGETTIMEOFDAY && !defined THINK_C
- #include <sys/time.h>
- #endif
- extern char *version, *patchlevel;
- extern unsigned int TTadd;
- char mvstr[4][6];
- char *InPtr;
- int InBackground = false;
-
-
- #include <ctype.h>
- #include <signal.h>
- #if defined THINK_C
- #include <time.h>
- #define BOOKTEST
- #elif defined MSDOS
- #include <dos.h>
- #include <conio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <time.h>
- #else
- #include <sys/param.h>
- #include <sys/types.h>
- #include <sys/file.h>
- #include <sys/ioctl.h>
- #endif
-
- #ifndef EVALFILE
- #ifdef THINK_C
- #define EVALFILE "EVAL"
- #else
- #define EVALFILE "/tmp/EVAL"
- #endif
- #endif
-
- #if defined DEBUG || defined BOOKTEST
-
- void
- movealgbr (short int m, char *s)
- {
- unsigned int f, t;
- short piece = 0, flag = 0;
- f = m >> 8 & 0x7f;
- t = m & 0xff;
- if ( f > NO_SQUARES )
- { short piece = f - NO_SQUARES;
- if ( f > NO_PIECES ) f -= NO_PIECES;
- flag = (dropmask | piece );
- }
- if ( t & 0x80 )
- {
- flag |= promote;
- t &= 0x7f;
- }
- if ( flag & dropmask )
- {
- *s = pxx[piece]; s++;
- *s = '*'; s++;
- *s = cxx[column (t)]; s++;
- *s = rxx[row (t)]; s++;
- }
- else
- {
- *s = cxx[column (f)]; s++;
- *s = rxx[row (f)]; s++;
- *s = cxx[column (t)]; s++;
- *s = rxx[row (t)]; s++;
- if ( flag & promote )
- {
- *s = '+'; s++;
- }
- }
- if (m & 0x8000)
- {
- *s = '?'; s++;
- }
- *s = '\0';
- }
-
- #endif
-
-
- void
- algbr (short int f, short int t, short int flag)
-
-
- /*
- * Generate move strings in different formats.
- */
-
- {
- int m3p;
-
- if ( f > NO_SQUARES )
- { short piece;
- piece = f - NO_SQUARES;
- if ( f > (NO_SQUARES+NO_PIECES) )
- piece -= NO_PIECES;
- flag = (dropmask | piece);
- }
- if ( (t & 0x80) != 0 )
- {
- flag |= promote;
- t &= 0x7f;
- }
- if ( f == t && (f != 0 || t != 0) )
- {
- #if !defined BAREBONES
- printz("error in algbr: FROM=TO=%d, flag=0x%4x\n",t,flag);
- #endif
- mvstr[0][0] = mvstr[1][0] = mvstr[2][0] = mvstr[3][0] = '\0';
- }
- else
- if ( (flag & dropmask) != 0 )
- { short piece = flag & pmask;
- mvstr[0][0] = pxx[piece];
- mvstr[0][1] = '*';
- mvstr[0][2] = cxx[column (t)];
- mvstr[0][3] = rxx[row (t)];
- mvstr[0][4] = '\0';
- strcpy (mvstr[1], mvstr[0]);
- strcpy (mvstr[2], mvstr[0]);
- strcpy (mvstr[3], mvstr[0]);
- }
- else
- if (f != 0 || t != 0)
- {
- /* algebraic notation */
- mvstr[0][0] = cxx[column (f)];
- mvstr[0][1] = rxx[row (f)];
- mvstr[0][2] = cxx[column (t)];
- mvstr[0][3] = rxx[row (t)];
- mvstr[0][4] = mvstr[3][0] = '\0';
- mvstr[1][0] = pxx[board[f]];
-
- mvstr[2][0] = mvstr[1][0];
- mvstr[2][1] = mvstr[0][1];
-
- mvstr[2][2] = mvstr[1][1] = mvstr[0][2]; /* to column */
- mvstr[2][3] = mvstr[1][2] = mvstr[0][3]; /* to row */
- mvstr[2][4] = mvstr[1][3] = '\0';
- strcpy (mvstr[3], mvstr[2]);
- mvstr[3][1] = mvstr[0][0];
- if (flag & promote)
- {
- strcat(mvstr[0], "+");
- strcat(mvstr[1], "+");
- strcat(mvstr[2], "+");
- strcat(mvstr[3], "+");
- }
- }
- else
- mvstr[0][0] = mvstr[1][0] = mvstr[2][0] = mvstr[3][0] = '\0';
- }
-
-
- int
- VerifyMove (char *s, short int iop, short unsigned int *mv)
-
- /*
- * Compare the string 's' to the list of legal moves available for the
- * opponent. If a match is found, make the move on the board.
- */
-
- {
- static short pnt, tempb, tempc, tempsf, tempst, cnt;
- static struct leaf xnode;
- struct leaf *node;
-
- *mv = 0;
- if (iop == 2)
- {
- UnmakeMove (opponent, &xnode, &tempb, &tempc, &tempsf, &tempst);
- return (false);
- }
- cnt = 0;
- MoveList (opponent, 2);
- pnt = TrPnt[2];
- while (pnt < TrPnt[3])
- {
- node = &Tree[pnt++];
- algbr (node->f, node->t, (short) node->flags);
- if (strcmp (s, mvstr[0]) == 0 || strcmp (s, mvstr[1]) == 0 ||
- strcmp (s, mvstr[2]) == 0 || strcmp (s, mvstr[3]) == 0)
- {
- cnt++;
- xnode = *node;
- }
- }
- if (cnt == 1)
- {
- MakeMove (opponent, &xnode, &tempb, &tempc, &tempsf, &tempst, &INCscore);
- if (SqAtakd (PieceList[opponent][0], computer))
- {
- UnmakeMove (opponent, &xnode, &tempb, &tempc, &tempsf, &tempst);
- #ifdef NONDSP
- /* Illegal move in check */
- printz (CP[77]);
- printz ("\n");
- #else
- /* Illegal move in check */
- ShowMessage (CP[77]);
- #endif
- return (false);
- }
- else
- {
- if (iop == 1)
- return (true);
- UpdateDisplay (xnode.f, xnode.t, 0, (short) xnode.flags);
- GameList[GameCnt].depth = GameList[GameCnt].score = 0;
- GameList[GameCnt].nodes = 0;
- ElapsedTime (1);
- GameList[GameCnt].time = (short) (et+50)/100;
- if (TCflag)
- {
- TimeControl.clock[opponent] -= et;
- timeopp[oppptr] = et;
- --TimeControl.moves[opponent];
- }
- *mv = (xnode.f << 8) | xnode.t;
- algbr (xnode.f, xnode.t, false);
- return (true);
- }
- }
- #ifdef NONDSP
- /* Illegal move */
- printz (CP[75], s);
- #ifdef DEBUG8
- if (1)
- {
- FILE *D;
- int r, c, side, l;
- extern unsigned short int PrVar[];
- extern void debug_position();
- D = fopen ("/tmp/DEBUG", "a+");
- pnt = TrPnt[2];
- fprintf (D, "resp = %d\n", ResponseTime);
- fprintf (D, "iop = %d\n", iop);
- fprintf (D, "matches = %d\n", cnt);
- algbr (hint >> 8, hint & 0xff, (short) 0);
- fprintf (D, "hint %s\n", mvstr[0]);
- fprintf (D, "inout move is %s\n", s);
- for (r = 1; PrVar[r]; r++)
- {
- algbr (PrVar[r] >> 8, PrVar[r] & 0xff, (short) 0);
- fprintf (D, " %s", mvstr[0]);
- }
- fprintf (D, "\n");
- fprintf (D, "legal move are \n");
- while (pnt < TrPnt[3])
- {
- node = &Tree[pnt++];
- algbr (node->f, node->t, (short) node->flags);
- fprintf (D, "%s %s %s %s\n", mvstr[0], mvstr[1], mvstr[2], mvstr[3]);
- }
- debug_position (D);
- fclose (D);
- abort ();
- }
- #endif
- #else
- /* Illegal move */
- ShowMessage (CP[76]);
- #endif
- #if !defined BAREBONES
- if (cnt > 1)
- ShowMessage (CP[32]);
- #endif
- return (false);
- }
-
- int
- parser (char *f, int side)
- {
- int c1, r1, c2, r2;
-
- c1 = '9' - f[0];
- r1 = 'a' - f[1];
- c2 = '9' - f[2];
- r2 = 'i' - f[3];
- return (locn (r1, c1) << 8) | locn (r2, c2);
- /*NOTREACHED*/
- }
-
- void
- GetGame (void)
- {
- FILE *fd;
- char fname[256], *p;
- int c, i, j;
- short sq;
- short side, isp;
- /* enter file name */
- ShowMessage (CP[63]);
- scanz ("%s", fname);
- /* shogi.000 */
- if (fname[0] == '\0')
- strcpy (fname, CP[137]);
- if ((fd = fopen (fname, "r")) != NULL)
- {
- NewGame ();
- fgets (fname, 256, fd);
- computer = opponent = black;
- InPtr = fname;
- skip ();
- if (*InPtr == 'c')
- computer = white;
- else
- opponent = white;
- skip ();
- skip ();
- skip ();
- Game50 = atoi (InPtr);
- fgets (fname, 256, fd);
- InPtr = &fname[11];
- skipb ();
- TCflag = atoi (InPtr);
- skip ();
- InPtr += 14;
- skipb ();
- OperatorTime = atoi (InPtr);
- fgets (fname, 256, fd);
- InPtr = &fname[11];
- skipb ();
- TimeControl.clock[black] = atol (InPtr);
- skip ();
- skip ();
- TimeControl.moves[black] = atoi (InPtr);
- fgets (fname, 256, fd);
- InPtr = &fname[11];
- skipb ();
- TimeControl.clock[white] = atol (InPtr);
- skip ();
- skip ();
- TimeControl.moves[white] = atoi (InPtr);
- for (i = NO_ROWS-1; i > -1; i--)
- {
- fgets (fname, 256, fd);
- p = &fname[2];
- InPtr = &fname[21];
- for (j = 0; j < NO_COLS; j++)
- {
- sq = i * NO_COLS + j;
- isp = ( *p == '+' );
- p++;
- if (*p == '.')
- {
- board[sq] = no_piece;
- color[sq] = neutral;
- }
- else
- {
- for (c = 0; c < NO_PIECES; c++)
- {
- if (*p == pxx[c])
- {
- if ( isp )
- board[sq] = promoted[c];
- else
- board[sq] = unpromoted[c];
- color[sq] = white;
- }
- }
- for (c = 0; c < NO_PIECES; c++)
- {
- if (*p == qxx[c])
- {
- if ( isp )
- board[sq] = promoted[c];
- else
- board[sq] = unpromoted[c];
- color[sq] = black;
- }
- }
- }
- p++;
- Mvboard[sq] = atoi (InPtr);
- skip ();
- }
- }
- fgets (fname, 256, fd); /* 9 8 7 ... */
- fgets (fname, 256, fd); /* p l n ... */
- ClearCaptured ();
- for ( side = 0; side <= 1; side++ ) {
- fgets (fname, 256, fd);
- InPtr = fname;
- skipb ();
- Captured[side][pawn] = atoi (InPtr);
- skip ();
- Captured[side][lance] = atoi (InPtr);
- skip ();
- Captured[side][knight] = atoi (InPtr);
- skip ();
- Captured[side][silver] = atoi (InPtr);
- skip ();
- Captured[side][gold] = atoi (InPtr);
- skip ();
- Captured[side][bishop] = atoi (InPtr);
- skip ();
- Captured[side][rook] = atoi (InPtr);
- skip ();
- Captured[side][king] = atoi (InPtr);
- }
- GameCnt = 0;
- flag.regularstart = true;
- Book = BOOKFAIL;
- fgets (fname, 256, fd); /* move score ... */
- while (fgets (fname, 256, fd))
- {
- struct GameRec *g;
- int side = computer;
-
- side = side ^ 1;
- ++GameCnt;
- InPtr = fname;
- skipb ();
- g = &GameList[GameCnt];
- g->gmove = parser (InPtr, side);
- skip ();
- g->score = atoi (InPtr);
- skip ();
- g->depth = atoi (InPtr);
- skip ();
- g->nodes = atol (InPtr);
- skip ();
- g->time = atol (InPtr);
- skip ();
- g->flags = c = atoi (InPtr);
- skip ();
- g->hashkey = strtol (InPtr, (char **) NULL, 16);
- skip ();
- g->hashbd = strtol (InPtr, (char **) NULL, 16);
- g->piece = no_piece;
- g->color = neutral;
- if (c & capture)
- {
- skip ();
- for (c = 0; c < NO_COLS; c++)
- if (pxx[c] == *InPtr)
- break;
- g->piece = c;
- }
- skip ();
- g->color = ((*InPtr == CP[119][0]) ? white : black);
- skip ();
- if ( *InPtr == '+' )
- g->piece = promoted[g->piece];
- }
- if (TimeControl.clock[black] > 0)
- TCflag = true;
- fclose (fd);
- }
- ZeroRPT ();
- InitializeStats ();
- UpdateDisplay (0, 0, 1, 0);
- Sdepth = 0;
- hint = 0;
- }
-
- void
- GetXGame (void)
- {
- FILE *fd;
- char fname[256], *p;
- int c, i, j;
- short sq;
- short side, isp;
- /* Enter file name */
- ShowMessage (CP[63]);
- scanz ("%s", fname);
- if (fname[0] == '\0')
- /* XSHOGI.position.read*/
- strcpy (fname, CP[205]);
- if ((fd = fopen (fname, "r")) != NULL)
- {
- NewGame ();
- flag.regularstart = false;
- Book = false;
- /* xshogi position file ... */
- fgets (fname, 256, fd);
- #ifdef notdef
- fname[6] = '\0';
- if (strcmp (fname, CP[206]))
- return;
- #endif
- /* -- empty line -- */
- fgets (fname, 256, fd);
- /* -- empty line -- */
- fgets (fname, 256, fd);
- for (i = NO_ROWS-1; i > -1; i--)
- {
- fgets (fname, 256, fd);
- p = fname;
- for (j = 0; j < NO_COLS; j++)
- {
- sq = i * NO_COLS + j;
- isp = ( *p == '+' );
- p++;
- if (*p == '.')
- {
- board[sq] = no_piece;
- color[sq] = neutral;
- }
- else
- {
- for (c = 0; c < NO_PIECES; c++)
- {
- if (*p == qxx[c])
- {
- if ( isp )
- board[sq] = promoted[c];
- else
- board[sq] = unpromoted[c];
- color[sq] = white;
- }
- }
- for (c = 0; c < NO_PIECES; c++)
- {
- if (*p == pxx[c])
- {
- if ( isp )
- board[sq] = promoted[c];
- else
- board[sq] = unpromoted[c];
- color[sq] = black;
- }
- }
- }
- p++;
- }
- }
- ClearCaptured ();
- for ( side = 0; side <= 1; side++ ) {
- fgets (fname, 256, fd);
- InPtr = fname;
- Captured[side][pawn] = atoi (InPtr);
- skip ();
- Captured[side][lance] = atoi (InPtr);
- skip ();
- Captured[side][knight] = atoi (InPtr);
- skip ();
- Captured[side][silver] = atoi (InPtr);
- skip ();
- Captured[side][gold] = atoi (InPtr);
- skip ();
- Captured[side][bishop] = atoi (InPtr);
- skip ();
- Captured[side][rook] = atoi (InPtr);
- skip ();
- Captured[side][king] = atoi (InPtr);
- };
- if (fgets(fname, 256, fd) != NULL && strncmp(fname, "white", 5) == 0)
- {
- computer = black;
- opponent = white;
- xwndw = BXWNDW;
- }
- fclose (fd);
- }
- ZeroRPT ();
- InitializeStats ();
- UpdateDisplay (0, 0, 1, 0);
- Sdepth = 0;
- hint = 0;
- }
-
- void
- SaveGame (void)
- {
- FILE *fd;
- char fname[256];
- short sq, i, c, f, t;
- char p;
- short side, piece;
-
- if (savefile[0])
- strcpy (fname, savefile);
- else
- {
- /* Enter file name*/
- ShowMessage (CP[63]);
- scanz ("%s", fname);
- }
-
- if (fname[0] == '\0')
- /* shogi.000 */
- strcpy (fname, CP[137]);
- if ((fd = fopen (fname, "w")) != NULL)
- {
- char *b, *w;
-
- b = w = CP[74];
- if (computer == white)
- w = CP[141];
- if (computer == black)
- b = CP[141];
- fprintf (fd, CP[37], w, b, Game50);
- fprintf (fd, CP[111], TCflag, OperatorTime);
- fprintf (fd, CP[117],
- TimeControl.clock[black], TimeControl.moves[black],
- TimeControl.clock[white], TimeControl.moves[white]);
- for (i = NO_ROWS-1; i > -1; i--)
- {
- fprintf (fd, "%c ", 'i' - i);
- for (c = 0; c < NO_COLS; c++)
- {
- sq = i * NO_COLS + c;
- piece = board[sq];
- p = is_promoted[piece] ? '+' : ' ';
- fprintf (fd, "%c", p);
- switch (color[sq])
- {
- case white:
- p = pxx[piece];
- break;
- case black:
- p = qxx[piece];
- break;
- default:
- p = '.';
- }
- fprintf (fd, "%c", p);
- }
- for (f = i * NO_COLS; f < i * NO_COLS + NO_ROWS; f++)
- fprintf (fd, " %d", Mvboard[f]);
- fprintf (fd, "\n");
- }
- fprintf (fd, " 9 8 7 6 5 4 3 2 1\n");
- fprintf (fd, " p l n s g b r k\n");
- for ( side = 0; side <= 1; side++ ) {
- fprintf (fd, " %2d", Captured[side][pawn]);
- fprintf (fd, " %2d", Captured[side][lance]);
- fprintf (fd, " %2d", Captured[side][knight]);
- fprintf (fd, " %2d", Captured[side][silver]);
- fprintf (fd, " %2d", Captured[side][gold]);
- fprintf (fd, " %2d", Captured[side][bishop]);
- fprintf (fd, " %2d", Captured[side][rook]);
- fprintf (fd, " %2d", Captured[side][king]);
- fprintf (fd, "\n");
- }
- fprintf (fd, CP[126]);
- for (i = 1; i <= GameCnt; i++)
- {
- struct GameRec *g = &GameList[i];
-
- f = g->gmove >> 8;
- t = (g->gmove & 0xFF);
- algbr (f, t, g->flags);
- fprintf (fd, "%5s %6d %5d %7ld %6ld %5d %#08lx %#08lx %c %s %c\n",
- mvstr[0], g->score, g->depth,
- g->nodes, g->time, g->flags, g->hashkey, g->hashbd,
- pxx[g->piece], ((g->color == 2) ? " " : ColorStr[g->color]),
- (is_promoted[g->piece] ? '+' : ' '));
- }
- fclose (fd);
- /* Game saved */
- ShowMessage (CP[70]);
- }
- else
- /*ShowMessage ("Could not open file");*/
- ShowMessage (CP[48]);
- }
-
- void
- ListGame (void)
- {
- FILE *fd;
- short i, f, t;
- #ifndef MSDOS
- time_t when;
- char fname[256], dbuf[256];
- #else
- char fname[256];
- #endif
-
- if (listfile[0])
- strcpy (fname, listfile);
- else
- {
- #ifdef MSDOS
- sprintf (fname, "chess.lst");
- #else
- time (&when);
- strncpy (dbuf, ctime (&when), 20);
- dbuf[7] = '\0';
- dbuf[10] = '\0';
- dbuf[13] = '\0';
- dbuf[16] = '\0';
- dbuf[19] = '\0';
- /* use format "CLp16.Jan01-020304B" when patchlevel is 16,
- date is Jan 1
- time is 02:03:04
- program played white */
- sprintf (fname, "CLp%s.%s%s-%s%s%s%c", patchlevel, dbuf + 4, dbuf + 8, dbuf + 11, dbuf + 14, dbuf + 17, ColorStr[computer][0]);
- /* replace space padding with 0 */
- for (i = 0; fname[i] != '\0'; i++)
- if (fname[i] == ' ')
- fname[i] = '0';
- #endif /* MSDOS */
- }
- fd = fopen (fname, "w");
- if (!fd)
- {
- printf (CP[219], fname);
- exit (1);
- }
- /*fprintf (fd, "gnuchess game %d\n", u);*/
- fprintf (fd, CP[161], patchlevel);
- fprintf (fd, CP[10]);
- fprintf (fd, CP[11]);
- for (i = 1; i <= GameCnt; i++)
- {
- f = GameList[i].gmove >> 8;
- t = (GameList[i].gmove & 0xFF);
- algbr (f, t, GameList[i].flags);
- if(GameList[i].flags & book)
- fprintf (fd, "%5s %5d Book%7ld %5d", mvstr[0],
- GameList[i].score,
- GameList[i].nodes, GameList[i].time);
- else
- fprintf (fd, "%5s %5d %2d %7ld %5d", mvstr[0],
- GameList[i].score, GameList[i].depth,
- GameList[i].nodes, GameList[i].time);
- if ((i % 2) == 0)
- {
- fprintf (fd, "\n");
- #ifdef DEBUG40
- if (computer == white)
- fprintf (fd, " %d %d %d %d %d %d %d\n",
- GameList[i].d1,
- GameList[i].d2,
- GameList[i].d3,
- GameList[i].d4,
- GameList[i].d5,
- GameList[i].d6,
- GameList[i].d7);
- else
- fprintf (fd, " %d %d %d %d %d %d %d\n",
- GameList[i - 1].d1,
- GameList[i - 1].d2,
- GameList[i - 1].d3,
- GameList[i - 1].d4,
- GameList[i - 1].d5,
- GameList[i - 1].d6,
- GameList[i - 1].d7);
- #endif
- }
- else
- fprintf (fd, " ");
- }
- fprintf (fd, "\n\n");
- if (GameList[GameCnt].flags & draw)
- {
- fprintf (fd, CP[54], DRAW);
- }
- else if (GameList[GameCnt].score == -(SCORE_LIMIT+999))
- {
- fprintf (fd, "%s\n", ColorStr[player ]);
- }
- else if (GameList[GameCnt].score == (SCORE_LIMIT+998))
- {
- fprintf (fd, "%s\n", ColorStr[player ^ 1]);
- }
- fclose (fd);
- }
-
- void
- Undo (void)
-
- /*
- * Undo the most recent half-move.
- */
-
- {
- short f, t;
- f = GameList[GameCnt].gmove >> 8;
- t = GameList[GameCnt].gmove & 0x7F;
- if ( f > NO_SQUARES )
- { /* the move was a drop */
- Captured[color[t]][board[t]]++;
- board[t] = no_piece;
- color[t] = neutral;
- Mvboard[t]--;
- }
- else
- {
- if ( GameList[GameCnt].flags & promote )
- board[f] = unpromoted[board[t]];
- else
- board[f] = board[t];
- color[f] = color[t];
- board[t] = GameList[GameCnt].piece;
- color[t] = GameList[GameCnt].color;
- if ( board[t] != no_piece )
- Captured[color[f]][unpromoted[board[t]]]--;
- if (color[t] != neutral)
- Mvboard[t]--;
- Mvboard[f]--;
- }
- InitializeStats ();
-
- if (TCflag && (TCmoves>1))
- ++TimeControl.moves[color[f]];
- hashkey = GameList[GameCnt].hashkey;
- hashbd = GameList[GameCnt].hashbd;
- GameCnt--;
- computer = computer ^ 1;
- opponent = opponent ^ 1;
- flag.mate = false;
- Sdepth = 0;
- player = player ^ 1;
- ShowSidetoMove ();
- UpdateDisplay (0, 0, 1, 0);
- if (flag.regularstart)
- Book = false;
- }
-
- void
- ShowMoves ()
- {
- #ifdef NONDSP
- unsigned j;
- for (j = TrPnt[2]; j < TrPnt[3]; j++)
- {
- struct leaf *node = &Tree[j];
- algbr (node->f, node->t, node->flags);
- printf ("%s %s %s %s %d 0x%x\n", mvstr[0], mvstr[1], mvstr[2], mvstr[3],node->score,node->flags);
- }
- #endif
- }
-
- void
- TestSpeed (void (*f) (short int side, short int ply), unsigned j)
- {
- #ifdef test
- unsigned jj;
- #endif
- unsigned i;
- long cnt, rate, t1, t2;
- #ifdef HASGETTIMEOFDAY
- struct timeval tv;
- #endif
-
- #ifdef HASGETTIMEOFDAY
- gettimeofday(&tv,NULL);
- t1 = (tv.tv_sec*100+(tv.tv_usec/10000));
- #else
- t1 = time (0);
- #endif
- for (i = 0; i < j; i++)
- {
- f (opponent, 2);
- #ifdef test
- for(jj=TrPnt[2];i<TrPnt[3];jj++)if(!pick(jj,TrPnt[3]-1))break;
- #endif
- }
- #ifdef HASGETTIMEOFDAY
- gettimeofday(&tv,NULL);
- t2 = (tv.tv_sec*100+(tv.tv_usec/10000));
- #else
- t2 = time (0);
- #endif
- cnt = j * (TrPnt[3] - TrPnt[2]);
- if (t2 - t1)
- et = (t2 - t1);
- else
- et = 1;
- rate = (((et) ? ((cnt*100) / et) : 0));
- /*printz ("Nodes= %ld Nodes/sec= %ld\n", cnt, rate);*/
- #ifdef NONDSP
- printz (CP[91], cnt, rate);
- #ifdef DEBUG9
- for (j = TrPnt[2]; j < TrPnt[3]; j++)
- {
- struct leaf *node = &Tree[j];
- algbr (node->f, node->t, node->flags);
- printf ("%s %s %s %s %d %x\n", mvstr[0], mvstr[1], mvstr[2], mvstr[3],node
- ->score,node->flags);
- }
- #endif
- #else
- ShowNodeCnt (cnt);
- #endif
- }
-
- void
- TestPSpeed (short int (*f) (short int side), unsigned j)
- {
- short i;
- long cnt, rate, t1, t2;
- #ifdef HASGETTIMEOFDAY
- struct timeval tv;
- #endif
-
- #ifdef HASGETTIMEOFDAY
- gettimeofday(&tv,NULL);
- t1 = (tv.tv_sec*100+(tv.tv_usec/10000));
- #else
- t1 = time (0);
- #endif
- for (i = 0; i < j; i++)
- {
- (void) f (opponent);
- }
- #ifdef HASGETTIMEOFDAY
- gettimeofday(&tv,NULL);
- t2 = (tv.tv_sec*100+(tv.tv_usec/10000));
- #else
- t2 = time (0);
- #endif
- cnt = j;
- if (t2 - t1)
- et = (t2 - t1);
- else
- et = 1;
- rate = (et) ? ((cnt*100) / et) : 0;
- /*printz ("Nodes= %ld Nodes/sec= %ld\n", cnt, rate);*/
- #ifdef NONDSP
- printz (CP[91], cnt, rate);
- #else
- ShowNodeCnt (cnt);
- #endif
- }
-
-
- void
- SetOppTime (char *s)
- {
- char *time;
- register tmp = 0;
- int m, t,sec;
- sec = 0;
- time = &s[strlen (CP[197])];
- t = (int)strtol (time, &time, 10);
- if(*time == ':'){time++; sec=(int)strtol(time, &time,10);}
- m = (int)strtol (time, &time, 10);
- if (t)
- TimeControl.clock[opponent] = t;
- if (m)
- TimeControl.moves[opponent] = m;
- #if defined XSHOGI
- printz (CP[222], m, t);
- #endif
- }
-
-
-
- void
- SetMachineTime (char *s)
- {
- char *time;
- long tmp = 0;
- int m, t,sec;
- sec = 0;
- time = &s[strlen (CP[197])];
- t = (int)strtol (time, &time, 10);
- if(*time == ':'){time++; sec=(int)strtol(time, &time,10);}
- m = (int)strtol (time, &time, 10);
- if (t)
- TimeControl.clock[computer] = t;
- if (m)
- TimeControl.moves[computer] = m;
- #if defined XSHOGI
- printz (CP[222], m, t);
- #endif
- }
-
-
- #ifdef DEBUG_EVAL
- short debug_eval = false;
- FILE *debug_eval_file = NULL;
- #endif
-
-
- void
- InputCommand (void)
-
- /*
- * Process the users command. If easy mode is OFF (the computer is thinking
- * on opponents time) and the program is out of book, then make the 'hint'
- * move on the board and call SelectMove() to find a response. The user
- * terminates the search by entering ^C (quit siqnal) before entering a
- * command. If the opponent does not make the hint move, then set Sdepth to
- * zero.
- */
-
- {
- int eof = 0;
- short have_shown_prompt = false;
- short ok;
- unsigned short mv;
- char s[80], sx[80];
-
- ok = flag.quit = false;
- player = opponent;
- #if ttblsz
- if(TTadd > ttblsize)ZeroTTable();
- #endif
- if (hint > 0 && !flag.easy && !flag.force )
- {
- ft = time0;
- fflush (stdout);
- algbr ((short) hint >> 8, (short) hint & 0xff, false);
- strcpy (s, mvstr[0]);
- #ifdef DEBUG12
- #include "debug12.h"
- #endif
- #ifdef DEBUG40
- whichway = 0;
- #endif
- if (flag.post) GiveHint ();
- if (VerifyMove (s, 1, &mv))
- {
- Sdepth = 0;
- #ifdef QUIETBACKGROUND
- #ifdef NONDSP
- PromptForMove ();
- #else
- ShowSidetoMove ();
- ShowPrompt ();
- #endif
- have_shown_prompt = true;
- #endif /* QUIETBACKGROUND */
- SelectMove (computer, 2);
- VerifyMove (s, 2, &mv);
- Sdepth = 0;
- }
- #ifdef DEBUG40
- else whichway = 1;
- #endif
- time0 = ft;
- }
- while (!(ok || flag.quit))
- {
- player = opponent;
- #ifdef QUIETBACKGROUND
- if (!have_shown_prompt)
- {
- #endif /* QUIETBACKGROUND */
- #ifdef NONDSP
- PromptForMove ();
- #else
- ShowSidetoMove ();
- ShowPrompt ();
- #endif
- #ifdef QUIETBACKGROUND
- }
- have_shown_prompt = false;
- #endif /* QUIETBACKGROUND */
- #ifdef NONDSP
- s[0] = sx[0] = '\0';
- while (!sx[0])
- (void) gets (sx);
- #else
- fflush (stdout);
- #if defined MSDOS || defined THINK_C
- s[0] = '\0';
- eof = ( gets (sx) == NULL );
- #else
- eof = ( getstr (sx) == ERR );
- #endif
- #endif
- sscanf (sx, "%s", s);
- if (eof)
- ExitChess ();
- if (s[0] == '\0')
- continue;
- if (strcmp (s, CP[131]) == 0) /*bd*/
- {
- #if defined XSHOGI
- xshogi = 0;
- #endif
- ClrScreen ();
- UpdateDisplay (0, 0, 1, 0);
- #if defined XSHOGI
- xshogi = 1;
- #endif
- }
- else if (strcmp (s, CP[129]) == 0) /* noop */ ; /*alg*/
- else if ((strcmp (s, CP[180]) == 0) || (strcmp (s, CP[216]) == 0)) /* quit exit*/
- flag.quit = true;
- else if (strcmp (s, CP[178]) == 0) /*post*/
- {
- flag.post = !flag.post;
- }
- else if ((strcmp (s, CP[191]) == 0) || (strcmp (s, CP[154]) == 0)) /*set edit*/
- EditBoard ();
- #ifdef NONDSP
- else if (strcmp (s, CP[190]) == 0) /*setup*/
- SetupBoard ();
- #endif
- else if (strcmp (s, CP[156]) == 0) /*first*/
- {
- ok = true;
- }
- else if (strcmp (s, CP[162]) == 0) /*go*/
- {
- ok = true;
- flag.force = false;
- if (computer == black)
- {
- computer = white;
- opponent = black;
- }
- else
- {
- computer = black;
- opponent = white;
- }
- }
- else if (strcmp (s, CP[166]) == 0) /*help*/
- help ();
- else if (strcmp (s, CP[221]) == 0) /*material*/
- flag.material = !flag.material;
- else if (strcmp (s, CP[157]) == 0) /*force*/
- {flag.force = !flag.force; flag.bothsides = false;}
- else if (strcmp (s, CP[134]) == 0) /*book*/
- Book = Book ? 0 : BOOKFAIL;
- else if (strcmp (s, CP[172]) == 0) /*new*/
- {
- NewGame ();
- UpdateDisplay (0, 0, 1, 0);
- }
- else if (strcmp (s, CP[171]) == 0) /*list*/
- ListGame ();
- else if (strcmp (s, CP[169]) == 0 || strcmp (s, CP[217]) == 0) /*level clock*/
- SelectLevel (sx);
- else if (strcmp (s, CP[165]) == 0) /*hash*/
- flag.hash = !flag.hash;
- else if (strcmp (s, CP[227]) == 0) /*gamein*/
- flag.gamein = !flag.gamein;
- else if (strcmp (s, CP[226]) == 0) /*beep*/
- flag.beep = !flag.beep;
- else if (strcmp (s, CP[197]) == 0) /*time*/
- { SetMachineTime (sx); }
- else if (strcmp (s, CP[228]) == 0) /*time*/
- { SetOppTime (sx); }
- else if (strcmp (s, CP[33]) == 0) /*Awindow*/
- ChangeAlphaWindow ();
- else if (strcmp (s, CP[39]) == 0) /*Bwindow*/
- ChangeBetaWindow ();
- else if (strcmp (s, CP[183]) == 0) /*rcptr*/
- flag.rcptr = !flag.rcptr;
- else if (strcmp (s, CP[168]) == 0) /*hint*/
- GiveHint ();
- else if (strcmp (s, CP[135]) == 0) /*both*/
- {
- flag.bothsides = !flag.bothsides;
- flag.force = false;
- Sdepth = 0;
- ElapsedTime (1);
- SelectMove (opponent, 1);
- ok = true;
- }
- else if (strcmp (s, CP[185]) == 0) /*reverse*/
- {
- flag.reverse = !flag.reverse;
- ClrScreen ();
- UpdateDisplay (0, 0, 1, 0);
- }
- else if (strcmp (s, CP[195]) == 0) /*switch*/
- {
- computer = computer ^ 1;
- opponent = opponent ^ 1;
- xwndw = (computer == black) ? WXWNDW : BXWNDW;
- flag.force = false;
- Sdepth = 0;
- ok = true;
- }
- else if (strcmp (s, CP[203]) == 0) /*black*/
- {
- computer = white;
- opponent = black;
- xwndw = WXWNDW;
- flag.force = false;
- Sdepth = 0;
-
- /*
- * ok = true; don't automatically start with black command
- */
- }
- else if (strcmp (s, CP[133]) == 0) /*white*/
- {
- computer = black;
- opponent = white;
- xwndw = BXWNDW;
- flag.force = false;
- Sdepth = 0;
-
- /*
- * ok = true; don't automatically start with white command
- */
- }
- else if (strcmp (s, CP[201]) == 0 && GameCnt > 0) /*undo*/
- {
- Undo ();
- }
- else if (strcmp (s, CP[184]) == 0 && GameCnt > 1) /*remove*/
- {
- Undo ();
- Undo ();
- }
- else if (strcmp (s, CP[160]) == 0) /*get*/
- GetGame ();
- else if (strcmp (s, CP[207]) == 0) /*xget*/
- GetXGame ();
- else if (strcmp (s, CP[189]) == 0) /*save*/
- SaveGame ();
- else if (strcmp (s, CP[151]) == 0) /*depth*/
- ChangeSearchDepth ();
- #ifdef DEBUG
- else if (strcmp (s, CP[147]) == 0) /*debuglevel*/
- ChangeDbLev ();
- #endif /* DEBUG */
- else if (strcmp (s, CP[164]) == 0) /*hashdepth*/
- ChangeHashDepth ();
- else if (strcmp (s, CP[182]) == 0) /*random*/
- dither = DITHER;
- else if (strcmp (s, CP[229]) == 0) /*hard*/
- flag.easy = false;
- else if (strcmp (s, CP[152]) == 0) /*easy*/
- flag.easy = !flag.easy;
- else if (strcmp (s, CP[230]) == 0) /*tsume*/
- flag.tsume = !flag.tsume;
- else if (strcmp (s, CP[143]) == 0) /*contempt*/
- SetContempt ();
- else if (strcmp (s, CP[209]) == 0) /*xwndw*/
- ChangeXwindow ();
- else if (strcmp (s, CP[186]) == 0) /*rv*/
- {
- flag.rv = !flag.rv;
- UpdateDisplay (0, 0, 1, 0);
- }
- else if (strcmp (s, CP[145]) == 0) /*coords*/
- {
- flag.coords = !flag.coords;
- UpdateDisplay (0, 0, 1, 0);
- }
- else if (strcmp (s, CP[193]) == 0) /*stars*/
- {
- flag.stars = !flag.stars;
- UpdateDisplay (0, 0, 1, 0);
- }
- else if (strcmp (s, CP[5]) == 0) /*moves*/
- {
- ShowMessage (CP[108]);/*test movelist*/
- TestSpeed (MoveList, 1);
- ShowMessage (CP[107]);/*test capturelist*/
- TestSpeed (CaptureList, 1);
- ShowMessage (CP[85]);/*test score position*/
- ExaminePosition();
- TestPSpeed (ScorePosition, 1);
- }
- else if (strcmp (s, CP[196]) == 0) /*test*/
- {
- ShowMessage (CP[108]);/*test movelist*/
- TestSpeed (MoveList, 20000);
- ShowMessage (CP[107]);/*test capturelist*/
- TestSpeed (CaptureList, 30000);
- ShowMessage (CP[85]);/*test score position*/
- ExaminePosition();
- TestPSpeed (ScorePosition, 15000);
- }
- #ifdef DEBUG_EVAL
- else if (strcmp (s, "eval") == 0) /*eval*/
- {
- debug_eval = true;
- if ( debug_eval_file = fopen(EVALFILE,"w") ) {
- ExaminePosition();
- fprintf (debug_eval_file, "\nscoring for %s to move...\n\n",
- ColorStr[player]);
- ScorePosition (player);
- fclose (debug_eval_file);
- }
- debug_eval = false;
- }
- else if (strcmp (s, "pattern") == 0) /*pattern*/
- {
- debug_eval = true;
- if ( debug_eval_file = fopen(EVALFILE,"w") ) {
- short side;
- for (side=black; side<=white; side++) {
- extern short ScorePatternDistance();
- short s = ScorePatternDistance (side);
- fprintf (debug_eval_file, "\npattern distance score for %s is %d\n\n",
- ColorStr[side], s);
- }
- fclose (debug_eval_file);
- }
- debug_eval = false;
- }
- #endif
- else
- if (strcmp (s, CP[179]) == 0) /*p*/
- ShowPostnValues ();
- else if (strcmp (s, CP[148]) == 0) /*debug*/
- DoDebug ();
- else
- {
- if ( flag.mate )
- ok = true;
- else
- ok = VerifyMove (s, 0, &mv);
- Sdepth = 0;
- }
- }
-
- ElapsedTime (1);
- if (flag.force)
- {
- computer = opponent;
- opponent = computer ^ 1;
- }
- #if defined XSHOGI
- printz ("%d. %s\n", ++mycnt2, s);
- #ifdef notdef /* optional pass best line to frontend with move */
- if (flag.post)
- {
- register int i;
-
- printz (" %6d ", MSCORE);
- for (i = 1; MV[i] > 0; i++)
- {
- algbr ((short) (MV[i] >> 8), (short) (MV[i] & 0xFF), false);
- printz ("%5s ", mvstr[0]);
- }
- }
- printz ("\n");
- #endif
- #endif /* XSHOGI */
- signal (SIGINT, TerminateSearch);
- #if !defined MSDOS && !defined THINK_C
- signal (SIGQUIT, TerminateSearch);
- #endif /* MSDOS */
- }
-
-
- #ifdef NOFIONREAD
- #ifdef FIONREAD
- #undef FIONREAD
- #endif
- #endif
-
-
- #ifdef HASGETTIMEOFDAY
- void
- ElapsedTime (short int iop)
-
-
- /*
- * Determine the time that has passed since the search was started. If the
- * elapsed time exceeds the target (ResponseTime+ExtraTime) then set timeout
- * to true which will terminate the search. iop = 0 calculate et bump ETnodes
- * iop = 1 calculate et set timeout if time exceeded, calculate et
- */
-
- {
- struct timeval tv;
- #ifndef MSDOS
- int nchar;
- extern int errno;
- int i;
- #ifdef FIONREAD
- if (i = ioctl ((int) 0, FIONREAD, &nchar))
- {
- perror ("FIONREAD");
- fprintf (stderr,
- "You probably have a non-ANSI <ioctl.h>; see README. %d %d %x\n",
- i, errno, FIONREAD);
- exit (1);
- }
-
- if (nchar)
- {
- if (!flag.timeout)
- flag.back = true;
- flag.bothsides = false;
- }
- #endif /*FIONREAD*/
- #else
- if (kbhit ())
- {
- if (!flag.timeout)
- flag.back = true;
- flag.bothsides = false;
- }
- #endif /* MSDOS */
- gettimeofday(&tv,NULL);
- et = (tv.tv_sec*100+(tv.tv_usec/10000)) - time0;
- ETnodes = NodeCnt + ZNODES;
- if (et < 0)
- et = 0;
- if (iop == 1)
- {
- if (et > ResponseTime + ExtraTime && Sdepth > MINDEPTH)
- flag.timeout = true;
- ETnodes = NodeCnt + ZNODES;
- gettimeofday(&tv,NULL);
- time0 = tv.tv_sec*100+tv.tv_usec/10000;
- }
- #if !defined NONDSP
- #ifdef QUIETBACKGROUND
- if (!background)
- #endif /* QUIETBACKGROUND */
- UpdateClocks ();
- #endif
- }
- #else
- void
- ElapsedTime (short int iop)
-
-
- /*
- * Determine the time that has passed since the search was started. If the
- * elapsed time exceeds the target (ResponseTime+ExtraTime) then set timeout
- * to true which will terminate the search. iop = 0 calculate et bump ETnodes
- * iop = 1 calculate et set timeout if time exceeded, calculate et
- */
-
- {
- #ifndef MSDOS
- int nchar;
- extern int errno;
- int i;
- #ifdef FIONREAD
- if (i = ioctl ((int) 0, FIONREAD, &nchar))
- {
- perror ("FIONREAD");
- fprintf (stderr,
- "You probably have a non-ANSI <ioctl.h>; see README. %d %d %x\n",
- i, errno, FIONREAD);
- exit (1);
- }
-
- if (nchar)
- {
- if (!flag.timeout)
- flag.back = true;
- flag.bothsides = false;
- }
- #endif /*FIONREAD*/
- #else
- if (kbhit ())
- {
- if (!flag.timeout)
- flag.back = true;
- flag.bothsides = false;
- }
- #endif /* MSDOS */
- #if defined THINK_C
- et = (time ((time_t *) 0) - time0) * 100;
- #else
- et = (time ((long *) 0) - time0) * 100;
- #endif
- ETnodes = NodeCnt + ZNODES;
- if (et < 0)
- et = 0;
- if (iop == 1)
- {
- if (et > ResponseTime + ExtraTime && Sdepth > MINDEPTH)
- flag.timeout = true;
- ETnodes = NodeCnt + ZNODES;
- time0 = time ((time_t *) 0);
- }
- #if !defined NONDSP
- #ifdef QUIETBACKGROUND
- if (!background)
- #endif /* QUIETBACKGROUND */
- UpdateClocks ();
- #endif
- }
- #endif
- void
- SetTimeControl (void)
- {
- if (TCflag)
- {
- TimeControl.moves[black] = TimeControl.moves[white] = TCmoves;
- TimeControl.clock[black] += 6000L * TCminutes + TCseconds * 100;
- TimeControl.clock[white] += 6000L * TCminutes + TCseconds * 100;
- }
- else
- {
- TimeControl.moves[black] = TimeControl.moves[white] = 0;
- TimeControl.clock[black] = TimeControl.clock[white] = 0;
- }
- flag.onemove = (TCmoves == 1);
- et = 0;
- ElapsedTime (1);
- }
-