4 * Main header file for GNU Shogi.
6 * ----------------------------------------------------------------------
7 * Copyright (c) 1993, 1994, 1995 Matthias Mutz
8 * Copyright (c) 1999 Michael Vanier and the Free Software Foundation
9 * Copyright (c) 2008, 2013, 2014 Yann Dirson and the Free Software Foundation
11 * GNU SHOGI is based on GNU CHESS
13 * Copyright (c) 1988, 1989, 1990 John Stanback
14 * Copyright (c) 1992 Free Software Foundation
16 * This file is part of GNU SHOGI.
18 * GNU Shogi is free software; you can redistribute it and/or modify it
19 * under the terms of the GNU General Public License as published by the
20 * Free Software Foundation; either version 3 of the License,
21 * or (at your option) any later version.
23 * GNU Shogi is distributed in the hope that it will be useful, but WITHOUT
24 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
25 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
28 * You should have received a copy of the GNU General Public License along
29 * with GNU Shogi; see the file COPYING. If not, see
30 * <http://www.gnu.org/licenses/>.
31 * ----------------------------------------------------------------------
35 /* Hack for anal-retentive ANSI-compliance if desired: */
38 /* FIXME: this file needs to be reorganized in some rational manner. */
43 #include "config.h" /* Portability #defines. */
45 #include "opts.h" /* Various option-setting #defines. */
60 extern display_t display_type;
62 #define XSHOGI (display_type == DISPLAY_X)
65 /* Miscellaneous globals. */
67 extern short hard_time_limit; /* If you exceed time limit, you lose. */
68 extern short nolist; /* Don't list game after exit. */
72 * Options for various compilers/OSs.
76 * type small_short must cover -128 .. 127. In case of trouble,
77 * try commenting out "signed". If this doesn't help, use short.
80 #define small_short signed char
81 #define small_ushort unsigned char
84 typedef small_ushort UBYTE;
86 typedef unsigned short USHORT;
88 typedef unsigned int UINT;
90 typedef unsigned long ULONG;
93 #if !defined(HAVE_MEMCPY) && !defined(HAVE_BCOPY)
94 # define array_copy(src, dst, len) \
97 char *psrc = (char *)src, *pdst = (char *)dst; \
98 for (i = len; i; pdst[--i] = psrc[i]); \
100 # define array_zero(dst, len) \
103 char *pdst = (char *)dst; \
104 for (i = len; i; pdst[--i] = 0); \
106 #elif !defined(HAVE_MEMCPY) /* BSD and derivatives */
107 # define array_copy(src, dst, len) bcopy(src, dst, len)
108 # define array_zero(dst, len) bzero(dst, len)
109 #else /* System V and derivatives */
110 # define array_copy(src, dst, len) memcpy(dst, src, len)
111 # define array_zero(dst, len) memset(dst, 0, len)
121 * Standard header files.
130 #include <sys/param.h>
131 #include <sys/types.h>
133 # include <windows.h>
135 typedef small_short BYTE;
136 # include <sys/times.h>
137 # include <sys/ioctl.h>
140 #if TIME_WITH_SYS_TIME
141 # include <sys/time.h>
145 # include <sys/time.h>
154 extern char *binbookfile;
157 extern char *bookfile;
161 extern void movealgbr(short m, char *s);
169 #define MAX_CAPTURED 19
170 #define NO_PTYPE_PIECES 11
173 #define NO_CAMP_ROWS 1
176 #define MAX_CAPTURED 19
177 #define NO_PTYPE_PIECES 15
180 #define NO_CAMP_ROWS 3
182 #define NO_SQUARES (NO_COLS*NO_ROWS)
184 #define ROW_NAME(n) ('a' + NO_ROWS - 1 - n)
185 #define COL_NAME(n) ('1' + NO_COLS - 1 - n)
186 #define ROW_NUM(c) ('a' + NO_ROWS - 1 - c)
187 #define COL_NUM(c) ('1' + NO_COLS - 1 - c)
189 #if defined HASHFILE || defined CACHE
190 # define PTBLBDSIZE (NO_SQUARES + NO_PIECES)
195 #define SCORE_LIMIT 12000
197 /* masks into upper 16 bits of attacks array */
198 /* observe order of relative piece values */
199 #define CNT_MASK 0x000000FF
200 #define ctlP 0x00200000
201 #define ctlPp 0x00100000
202 #define ctlL 0x00080000
203 #define ctlN 0x00040000
204 #define ctlLp 0x00020000
205 #define ctlNp 0x00010000
206 #define ctlS 0x00008000
207 #define ctlSp 0x00004000
208 #define ctlG 0x00002000
209 #define ctlB 0x00001000
210 #define ctlBp 0x00000800
211 #define ctlR 0x00000400
212 #define ctlRp 0x00000200
213 #define ctlK 0x00000100
215 /* attack functions */
216 #define Pattack(c, u) (attack[c][u] > ctlP)
217 #define Anyattack(c, u) (attack[c][u] != 0)
219 /* hashtable flags */
220 #define truescore 0x0001
221 #define lowerbound 0x0002
222 #define upperbound 0x0004
223 #define kingcastle 0x0008
224 #define queencastle 0x0010
225 #define evalflag 0x0020
228 #define BlackKing PieceList[black][0]
229 #define WhiteKing PieceList[white][0]
230 #define OwnKing PieceList[c1][0]
231 #define EnemyKing PieceList[c2][0]
234 /* board properties */
235 #define InBlackCamp(sq) ((sq) < (NO_COLS * NO_CAMP_ROWS))
236 #define InWhiteCamp(sq) ((sq) >= (NO_COLS * (NO_ROWS - NO_CAMP_ROWS)))
237 #define InPromotionZone(side, sq) \
238 (((side) == black) ? InWhiteCamp(sq) : InBlackCamp(sq))
242 #define OPENING_HINT 0x141d /* P7g-7f (20->29) */
258 /* piece code defines */
266 /* start of pieces that can be dropped at any square */
307 #define pmask 0x000f /* 15 */
308 #define promote 0x0010 /* 16 */
309 #define dropmask 0x0020 /* 32 */
310 #define exact 0x0040 /* 64 */
311 #define tesuji 0x0080 /* 128 */
312 #define check 0x0100 /* 256 */
313 #define capture 0x0200 /* 512 */
314 #define draw 0x0400 /* 1024 */
315 #define stupid 0x0800 /* 2048 */
316 #define questionable 0x1000 /* 4096 */
317 #define kingattack 0x2000 /* 8192 */
318 #define book 0x4000 /* 16384 */
320 /* move quality flags */
321 #define goodmove tesuji
322 #define badmove stupid
324 #define difficult questionable
329 #define pxx (" PLNSGBRPLNSBRK ")
330 #define qxx (" plnsgbrplnsbrk ")
332 #define pxx (" PSGBRPSBRK ")
333 #define qxx (" psgbrpsbrk ")
336 /***************** Table limits ********************************************/
339 * ttblsz must be a power of 2. Setting ttblsz 0 removes the transposition
345 #elif defined SMALL_MEMORY
346 # if defined SAVE_SSCORE
347 # define vttblsz (1 << 12)
349 # if defined EXTRA_2MB
350 # define vttblsz (1 << 12)
352 # define vttblsz (1 << 10)
356 # define vttblsz (100001)
359 #if defined SMALL_MEMORY
360 # define MINTTABLE (0)
362 # define MINTTABLE (8000) /* min ttable size -1 */
365 #define ttblsz vttblsz
367 #if defined SMALL_MEMORY
368 # if !defined SAVE_SSCORE
369 # define TREE 1500 /* max number of tree entries */
371 # define TREE 2500 /* max number of tree entries */
374 # define TREE 4000 /* max number of tree entries */
377 #define MAXDEPTH 40 /* max depth a search can be carried */
378 #define MINDEPTH 2 /* min search depth =1 (no hint), >1 hint */
379 #define MAXMOVES 300 /* max number of half moves in a game */
380 #define CPSIZE 241 /* size of lang file max */
382 #if defined SMALL_MEMORY
383 # if defined SAVE_SSCORE
384 # define ETABLE (1 << 10) /* static eval cache */
386 # if defined EXTRA_2MB
387 # define ETABLE (1 << 10) /* static eval cache */
389 # define ETABLE (1 << 8) /* static eval cache */
393 # define ETABLE (10001) /* static eval cache */
396 /***************** tuning paramaters *******************/
398 #if defined VERY_SLOW_CPU
399 # define MINRESPONSETIME 300
400 #elif defined SLOW_CPU
401 # define MINRESPONSETIME 200
403 # define MINRESPONSETIME 100 /* 1 s */
408 #define CHKDEPTH 1 /* always look forward CHKDEPTH
409 * half-moves if in check */
411 #if defined SLOW_CPU || defined VERY_SLOW_CPU
412 # define DEPTHBEYOND 7 /* Max to go beyond Sdepth */
414 # define DEPTHBEYOND 11 /* Max to go beyond Sdepth */
417 #define HASHDEPTH 4 /* depth above which to use HashFile */
418 #define HASHMOVELIMIT 40 /* Use HashFile only for this many moves */
419 #define PTVALUE 0 /* material value below which pawn threats at
421 #define ZDEPTH 3 /* depth beyond which to check
422 * ZDELTA for extra time */
423 #define ZDELTA 10 /* score delta per ply to cause
424 * extra time to be given */
427 /* about 1/2 second worth of nodes for your machine */
428 #if defined VERY_SLOW_CPU
429 /* check the time every ZNODES positions */
430 # define ZNODES (flag.tsume ? 20 : 50)
431 #elif defined SLOW_CPU
432 # define ZNODES (flag.tsume ? 40 : 100)
434 # define ZNODES (flag.tsume ? 400 : 1000)
437 #define MAXTCCOUNTX 10 /* max number of time clicks
438 * per search to complete ply */
439 #define MAXTCCOUNTR 4 /* max number of time clicks
440 * per search extensions*/
441 #define SCORESPLIM 8 /* Score space doesn't apply after this stage */
442 #define SDEPTHLIM (Sdepth + 1)
443 #define HISTORYLIM 4096 /* Max value of history killer */
446 # if defined SMALL_MEMORY
447 # define HISTORY_MASK 0x8000 /* mask to MSB of history index */
448 # define HISTORY_SIZE 0x10000 /* size of history table */
450 # define HISTORY_MASK (1 << 15) /* mask to MSB of history index */
451 # define HISTORY_SIZE (1 << 16) /* size of history table */
454 /* smaller history table, but dangerous because of collisions */
455 # define HISTORY_MASK 0x3fff /* mask to significant bits
456 * of history index */
457 # if defined SMALL_MEMORY
458 # define HISTORY_SIZE 0x4000 /* size of history table */
460 # define HISTORY_SIZE (1 << 14) /* size of history table */
464 #define sizeof_history (sizeof(unsigned short) * (size_t)HISTORY_SIZE)
467 /* Map from.to (8bit.8bit) to from.to (0.7bit.8bit) */
468 # define khmove(mv) (mv & 0x7fff)
469 # define hmove(mv) ((mv & 0x7fff) ^ 0x5555)
471 /* Map from.to (8bit.8bit) to from.to (00.7bit.7bit) */
472 /* Swap bits of ToSquare in case of promotions, hoping that
473 no catastrophic collision occurs. */
474 # define khmove(mv) (((mv & 0x7f00) >> 1) | \
475 ((mv & 0x0080) ? ((mv & 0x007f) ^ 0x007f) : (mv & 0x007f)))
476 # define hmove(mv) (khmove(mv) ^ 0x2aaa)
479 /* mask color to 15th bit */
481 # define hindex(c, mv) ((c ? HISTORY_MASK : 0) | hmove(mv))
483 /* for white, swap bits, hoping that no catastrophic collision occurs. */
484 # define hindex(c, mv) (c ? ((~hmove(mv)) & HISTORY_MASK) : hmove(mv))
487 #define EWNDW 10 /* Eval window to force position scoring at depth
488 * greater than (Sdepth + 2) */
489 #define WAWNDW 90 /* alpha window when computer black */
490 #define WBWNDW 90 /* beta window when computer black */
491 #define BAWNDW 90 /* alpha window when computer white */
492 #define BBWNDW 90 /* beta window when computer white */
493 #define BXWNDW 90 /* window to force position scoring at lower */
494 #define WXWNDW 90 /* window to force position scoring at lower */
496 #define DITHER 5 /* max amount random can alter a pos value */
497 #define LBONUS 1 /* points per stage value of L increases */
498 #define BBONUS 2 /* points per stage value of B increases */
499 #define RBONUS 2 /* points per stage value of R increases */
501 #define QUESTIONABLE (valueK) /* Penalty for questionable moves. */
507 #define STUPID (valueR << 1) /* Penalty for stupid moves. */
509 #define KINGPOSLIMIT (-1) /* King positional scoring limit */
510 #define KINGSAFETY 32
511 #define MAXrehash (7)
513 /******* parameters for Opening Book ****************/
515 #define BOOKSIZE 8000 /* Number of unique position/move
516 * combinations allowed */
517 #define BOOKMAXPLY 40 /* Max plys to keep in book database */
518 #define BOOKFAIL (BOOKMAXPLY / 2) /* if no book move found for BOOKFAIL
519 * turns stop using book */
520 #define BOOKPOCKET 64
521 #define BOOKRAND 1000 /* used to select an opening move
523 #define BOOKENDPCT 950 /* 5 % chance a BOOKEND will stop the book */
524 #define DONTUSE -32760 /* flag move as don't use */
525 #define ILLEGAL_TRAPPED -32761 /* flag move as illegal:
526 * no move from this square */
527 #define ILLEGAL_DOUBLED -32762 /* flag move as illegal:
528 * two pawns on one column */
529 #define ILLEGAL_MATE -32763 /* flag move as illegal:
530 * pawn drop with mate */
532 /*****************************************************/
536 unsigned long key, bd;
541 unsigned long hashbd;
543 unsigned char depth; /* unsigned char saves some space */
550 unsigned char bd[PTBLBDSIZE];
551 #endif /* HASHTEST */
554 #if defined HASHFILE || defined CACHE
557 unsigned long ehashbd;
559 #if !defined SAVE_SSCORE
560 short sscore[NO_SQUARES];
565 unsigned char bd[PTBLBDSIZE];
566 #endif /* CACHETEST */
570 extern short use_etable;
571 typedef struct etable etable_field[ETABLE];
572 extern etable_field *etab[2];
576 * CHECKME! Is this valid?
578 * persistent transposition table. By default, the size is (1 << vfilesz).
579 * If you change the size, be sure to run gnushogi -c [vfilesz]
580 * before anything else.
585 #if defined SMALL_MEMORY
593 unsigned char bd[PTBLBDSIZE];
594 unsigned char f, t, flags, depth, sh, sl;
597 #endif /* HASHFILE */
603 short score, reply, width;
605 unsigned short flags;
611 unsigned short gmove; /* this move */
612 short score; /* score after this move */
613 short depth; /* search depth this move */
614 long time; /* search time this move */
615 short fpiece; /* moved or dropped piece */
616 short piece; /* piece captured */
617 short color; /* color */
618 short flags; /* move flags capture, promote, castle */
619 short Game50; /* flag for repetition */
620 long nodes; /* nodes searched for this move */
621 unsigned long hashkey, hashbd; /* board key before this move */
625 struct TimeControlRec
634 short mate; /* the game is over */
635 short post; /* show principle variation */
636 short quit; /* quit/exit */
637 short regularstart; /* did the game start from standard
639 short reverse; /* reverse board display */
640 short bothsides; /* computer plays both sides */
641 short hash; /* enable/disable transposition table */
642 short force; /* enter moves */
643 short easy; /* disable thinking on opponents time */
644 short beep; /* enable/disable beep */
645 short timeout; /* time to make a move */
646 short musttimeout; /* time to make a move */
647 short back; /* time to make a move */
648 short rcptr; /* enable/disable recapture heuristics */
649 short rv; /* reverse video */
650 short stars; /* add stars to uxdsp screen */
651 short coords; /* add coords to visual screen */
653 short material; /* draw on lack of material */
654 short illegal; /* illegal position */
655 short onemove; /* timing is onemove */
656 short gamein; /* timing is gamein */
657 short tsume; /* first consider checks */
660 extern FILE *debugfile;
663 #define EVALFILE "/tmp/EVAL"
666 extern FILE *debug_eval_file;
667 extern short debug_moves;
671 extern short use_history;
672 extern unsigned short *history;
677 extern char ColorStr[2][10];
679 extern char mvstr[4][6];
680 extern int mycnt1, mycnt2;
682 extern struct leaf rootnode;
683 extern struct leaf *Tree;
684 extern struct leaf *root;
685 extern char savefile[], listfile[];
686 extern short TrPnt[];
687 extern small_short board[], color[];
688 extern const small_short sweep[NO_PIECES];
689 extern small_short PieceList[2][NO_SQUARES], PawnCnt[2][NO_COLS];
690 extern small_short Captured[2][NO_PIECES];
693 # define ClearCaptured() \
695 short piece, color; \
696 for (color = black; color <= white; color++) \
697 for (piece = 0; piece < NO_PIECES; piece++) \
698 Captured[color][piece] = 0; \
701 # define ClearCaptured() \
702 memset((char *)Captured, 0, (unsigned long)sizeof(Captured))
703 #endif /* HAVE_MEMSET */
705 extern small_short Mvboard[];
707 #if !defined SAVE_SVALUE
708 extern short svalue[NO_SQUARES];
711 extern short pscore[2]; /* eval.c */
712 extern int EADD; /* eval.c */
713 extern int EGET; /* eval.c */
714 extern struct flags flag;
715 extern short opponent, computer, INCscore;
716 extern short WAwindow, BAwindow, WBwindow, BBwindow;
717 extern short dither, player;
718 extern short xwndw, contempt;
719 extern long ResponseTime, ExtraTime, TCleft,
720 MaxResponseTime, et, et0, time0, ft;
723 #ifdef INTERRUPT_TEST
724 extern long itime0, it;
727 extern long reminus, replus;
728 extern long GenCnt, NodeCnt, ETnodes, EvalNodes, HashAdd, HashCnt,
729 HashCol, THashCol, FHashCnt, FHashAdd;
730 extern short HashDepth, HashMoveLimit;
731 extern struct GameRec *GameList;
732 extern short GameCnt, Game50;
733 extern short Sdepth, MaxSearchDepth;
735 extern struct TimeControlRec TimeControl;
737 extern short TCflag, TCmoves, TCminutes, TCseconds, OperatorTime;
738 extern int timecomp[MINGAMEIN], timeopp[MINGAMEIN];
739 extern int compptr, oppptr;
740 extern short XCmore, XCmoves[], XCminutes[], XCseconds[], XC;
741 extern const short otherside[];
742 extern const small_short Stboard[];
743 extern const small_short Stcolor[];
744 extern unsigned short hint;
746 extern short stage, stage2;
748 #define in_opening_stage (!flag.tsume && (stage < 33))
749 #define in_middlegame_stage (!flag.tsume && (stage >= 33) && (stage <= 66))
750 #define in_endgame_stage (flag.tsume || (stage > 66))
752 extern short ahead, hash;
753 extern short balance[2];
754 extern small_short ChkFlag[], CptrFlag[], TesujiFlag[];
755 extern short Pscore[], Tscore[];
756 extern /*unsigned*/ short rehash; /* -1 is used as a flag --tpm */
757 extern unsigned int ttbllimit;
758 extern unsigned int TTadd;
759 extern unsigned int ttblsize;
760 extern short mtl[], hung[];
761 extern small_short Pindex[];
762 extern small_short PieceCnt[];
763 extern short FROMsquare, TOsquare;
764 extern small_short HasPiece[2][NO_PIECES];
765 extern const short kingP[];
766 extern unsigned short killr0[], killr1[];
767 extern unsigned short killr2[], killr3[];
768 extern unsigned short PrVar[MAXDEPTH];
769 extern unsigned short PV, SwagHt, Swag0, Swag1, Swag2, Swag3, Swag4, sidebit;
770 extern short mtl[2], pmtl[2], hung[2];
771 extern const small_short relative_value[];
772 extern const long control[];
773 extern small_short diagonal(short delta);
774 extern const small_short promoted[NO_PIECES], unpromoted[NO_PIECES];
775 extern const small_short is_promoted[NO_PIECES];
777 typedef unsigned char next_array[NO_SQUARES][NO_SQUARES];
778 typedef small_short distdata_array[NO_SQUARES][NO_SQUARES];
780 extern const small_short inunmap[NO_SQUARES];
782 extern const small_short nunmap[(NO_COLS + 2)*(NO_ROWS + 4)];
784 extern const small_short nunmap[(NO_COLS + 2)*(NO_ROWS + 2)];
787 #if defined SAVE_NEXTPOS
788 extern const small_short direc[NO_PTYPE_PIECES][8];
789 extern short first_direction(short ptyp, short *d, short sq);
790 extern short next_direction(short ptyp, short *d, short sq);
791 extern short next_position(short ptyp, short *d, short sq, short u);
793 extern short use_nextpos;
794 extern next_array *nextpos[NO_PTYPE_PIECES];
795 extern next_array *nextdir[NO_PTYPE_PIECES];
798 extern value_array *value;
799 extern fscore_array *fscore;
801 #ifndef SAVE_DISTDATA
802 extern short use_distdata;
803 extern distdata_array *distdata;
806 #ifndef SAVE_PTYPE_DISTDATA
807 extern short use_ptype_distdata;
808 extern distdata_array *ptype_distdata[NO_PTYPE_PIECES];
811 extern const small_short ptype[2][NO_PIECES];
813 extern long filesz, hashmask, hashbase;
814 extern FILE *hashfile;
815 extern unsigned int starttime;
818 typedef small_short Mpiece_array[2][NO_SQUARES];
819 extern Mpiece_array *Mpiece[NO_PIECES];
820 extern short ADVNCM[NO_PIECES];
822 #define computed_distance(a, b) \
823 ((abs(column(a) - column(b)) > abs(row(a) - row(b))) \
824 ? abs(column(a) - column(b)) : abs(row(a) - row(b)))
826 extern short distance(short a, short b);
827 extern short ptype_distance(short ptyp, short f, short t);
828 extern short piece_distance(short side, short piece, short f, short t);
835 #define STATIC_ROOK 'S'
836 #define RANGING_ROOK 'R'
838 extern char GameType[2];
839 void ShowGameType(void);
841 extern unsigned short bookmaxply;
842 extern unsigned int bookcount;
843 extern unsigned int booksize;
844 extern unsigned long hashkey, hashbd;
846 typedef struct hashval hashcode_array[2][NO_PIECES][NO_SQUARES];
847 typedef struct hashval drop_hashcode_array[2][NO_PIECES][NO_SQUARES];
849 extern hashcode_array *hashcode;
850 extern drop_hashcode_array *drop_hashcode;
852 #ifdef QUIETBACKGROUND
853 extern short background;
854 #endif /* QUIETBACKGROUND */
857 extern short use_ttable;
858 extern struct hashentry *ttable[2];
862 * hashbd contains a 32 bit "signature" of the board position. hashkey
863 * contains a 16 bit code used to address the hash table. When a move is
864 * made, XOR'ing the hashcode of moved piece on the from and to squares with
865 * the hashbd and hashkey values keeps things current.
868 #define UpdateHashbd(side, piece, f, t) \
872 hashbd ^= (*hashcode)[side][piece][f].bd; \
873 hashkey ^= (*hashcode)[side][piece][f].key; \
878 hashbd ^= (*hashcode)[side][piece][t].bd; \
879 hashkey ^= (*hashcode)[side][piece][t].key; \
883 #define UpdateDropHashbd(side, piece, count) \
885 hashbd ^= (*drop_hashcode)[side][piece][count].bd; \
886 hashkey ^= (*drop_hashcode)[side][piece][count].key; \
890 extern short rpthash[2][256];
893 extern char* DRAW_REPETITION;
894 extern char *DRAW_MAXMOVES;
895 extern char *DRAW_JUSTDRAW;
897 #define row(a) ((a) / NO_COLS)
898 #define column(a) ((a) % NO_COLS)
899 #define locn(a, b) (((a) * NO_COLS) + b)
901 /* init external functions */
902 extern void InitConst(char *lang); /* init.c */
903 extern int Initialize_data(void); /* init.c */
904 extern void Free_data(void); /* init.c */
905 extern int Lock_data(void); /* init.c */
906 extern void Unlock_data(void); /* init.c */
907 extern void Initialize_dist(void); /* init.c */
908 extern void Initialize_eval(void); /* eval.c */
909 extern void NewGame(void);
910 extern void GetOpenings(void);
911 extern int OpeningBook(unsigned short *hint);
915 REMOVE_PIECE = 1, ADD_PIECE
916 } UpdatePieceList_mode;
919 UpdatePieceList(short side, short sq, UpdatePieceList_mode iop);
923 FOREGROUND_MODE = 1, BACKGROUND_MODE
927 SelectMove(short side, SelectMove_mode iop);
935 unsigned short *bstline,
939 void PutInEETable(short side, int score);
940 int CheckEETable(short side);
941 int ProbeEETable(short side, short *score);
946 ProbeTTable(short side,
954 PutInTTable(short side,
961 extern void ZeroTTable(void);
962 extern void ZeroRPT(void);
963 extern void Initialize_ttable(void);
964 extern unsigned int urand(void);
967 extern void gsrand(unsigned int);
970 ProbeFTable(short side,
978 PutInFTable(short side,
987 # endif /* HASHFILE */
990 #if !defined SAVE_NEXTPOS
991 extern void Initialize_moves(void);
994 extern short generate_move_flags;
996 extern void MoveList(short side, short ply,
997 short in_check, short blockable);
998 extern void CaptureList(short side, short ply,
999 short in_check, short blockable);
1001 /* from attacks.c */
1003 SqAttacked(short square, short side, short *blockable);
1006 MakeMove(short side,
1015 UnmakeMove(short side,
1023 InitializeStats(void);
1026 evaluate(short side,
1034 extern short ScorePosition(short side);
1035 extern void ExaminePosition(short side);
1036 extern short ScorePatternDistance(short side);
1037 extern void DetermineStage(short side);
1038 extern void UpdateWeights(short side);
1039 extern int InitMain(void);
1040 extern void ExitMain(void);
1041 extern void Initialize(void);
1042 extern void InputCommand(char *command);
1043 extern void ExitShogi(void);
1044 extern void ClearScreen(void);
1045 extern void SetTimeControl(void);
1046 extern void SelectLevel(char *sx);
1049 UpdateDisplay(short f,
1056 COMPUTE_AND_INIT_MODE = 1, COMPUTE_MODE
1057 #ifdef INTERRUPT_TEST
1058 , INIT_INTERRUPT_MODE, COMPUTE_INTERRUPT_MODE
1062 extern void SetResponseTime(short side);
1063 extern void CheckForTimeout(int score, int globalscore,
1064 int Jscore, int zwndw);
1065 extern void ShowSidetoMove(void);
1066 extern void ShowResponseTime(void);
1067 extern void ShowPatternCount(short side, short n);
1068 extern void SearchStartStuff(short side);
1069 extern void ShowDepth(char ch);
1070 extern void TerminateSearch(int);
1071 extern void ShowResults(short score, unsigned short *bstline, char ch);
1072 extern void SetupBoard(void);
1073 extern void algbr(short f, short t, short flag);
1074 extern void OutputMove(void);
1075 extern void ShowCurrentMove(short pnt, short f, short t);
1076 extern void ListGame(void);
1077 extern void ShowMessage(char *s);
1078 extern void ClearScreen(void);
1079 extern void DoDebug(void);
1080 extern void DoTable(short table[NO_SQUARES]);
1081 extern void ShowPostnValues(void);
1082 extern void ChangeXwindow(void);
1083 extern void SetContempt(void);
1084 extern void ChangeHashDepth(void);
1085 extern void ChangeBetaWindow(void);
1086 extern void GiveHint(void);
1087 extern void ShowPrompt(void);
1088 extern void EditBoard(void);
1089 extern void help(void);
1090 extern void ChangeSearchDepth(void);
1091 extern void skip(void);
1092 extern void skipb(void);
1093 extern void EnPassant(short xside, short f, short t, short iop);
1094 extern void ShowNodeCnt(long NodeCnt);
1095 extern void ShowLine(unsigned short *bstline);
1096 extern int pick(short p1, short p2);
1097 extern short repetition(void);
1098 extern void TimeCalc(void);
1099 extern void ElapsedTime(ElapsedTime_mode iop);
1102 DropPossible(short piece, short side, short sq); /* genmoves.c */
1105 IsCheckmate(short side, short in_check,
1106 short blockable); /* genmoves.c */
1111 VERIFY_AND_MAKE_MODE, VERIFY_AND_TRY_MODE, UNMAKE_MODE
1114 extern int VerifyMove(char *s, VerifyMove_mode iop, unsigned short *mv);
1115 extern unsigned short TTage;
1117 /* display driver framework */
1121 void (*ChangeAlphaWindow)(void);
1122 void (*ChangeBetaWindow)(void);
1123 void (*ChangeHashDepth)(void);
1124 void (*ChangeSearchDepth)(char *sx);
1125 void (*ChangeXwindow)(void);
1126 void (*ClearScreen)(void);
1127 void (*DoDebug)(void);
1128 void (*DoTable)(short table[NO_SQUARES]);
1129 void (*EditBoard)(void);
1130 void (*ExitShogi)(void);
1131 void (*GiveHint)(void);
1132 void (*Initialize)(void);
1133 void (*ShowNodeCnt)(long NodeCnt);
1134 void (*OutputMove)(void);
1135 void (*PollForInput)(void);
1136 void (*SetContempt)(void);
1137 void (*SearchStartStuff)(short side);
1138 void (*SelectLevel)(char *sx);
1139 void (*ShowCurrentMove)(short pnt, short f, short t);
1140 void (*ShowDepth)(char ch);
1141 void (*ShowGameType)(void);
1142 void (*ShowLine)(unsigned short *bstline);
1143 void (*ShowMessage)(char *s);
1144 void (*AlwaysShowMessage)(const char *format, ...);
1145 void (*Printf)(const char *format, ...);
1146 void (*doRequestInputString)(const char* fmt, char* buffer);
1147 int (*GetString)(char* sx);
1148 void (*SetupBoard)(void);
1149 void (*ShowPatternCount)(short side, short n);
1150 void (*ShowPostnValue)(short sq);
1151 void (*ShowPostnValues)(void);
1152 void (*ShowPrompt)(void);
1153 void (*ShowResponseTime)(void);
1154 void (*ShowResults)(short score, unsigned short *bstline, char ch);
1155 void (*ShowSidetoMove)(void);
1156 void (*ShowStage)(void);
1157 void (*TerminateSearch)(int sig);
1158 void (*UpdateClocks)(void);
1159 void (*UpdateDisplay)(short f, short t, short redraw, short isspec);
1163 extern struct display *dsp;
1165 extern struct display raw_display;
1166 extern struct display curses_display;
1168 #endif /* _GNUSHOGI_H_ */