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
10 * GNU SHOGI is based on GNU CHESS
12 * Copyright (c) 1988, 1989, 1990 John Stanback
13 * Copyright (c) 1992 Free Software Foundation
15 * This file is part of GNU SHOGI.
17 * GNU Shogi is free software; you can redistribute it and/or modify it
18 * under the terms of the GNU General Public License as published by the
19 * Free Software Foundation; either version 3 of the License,
20 * or (at your option) any later version.
22 * GNU Shogi is distributed in the hope that it will be useful, but WITHOUT
23 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
24 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
27 * You should have received a copy of the GNU General Public License along
28 * with GNU Shogi; see the file COPYING. If not, see
29 * <http://www.gnu.org/licenses/>.
30 * ----------------------------------------------------------------------
34 /* Hack for anal-retentive ANSI-compliance if desired: */
37 /* FIXME: this file needs to be reorganized in some rational manner. */
42 #include "config.h" /* Portability #defines. */
44 #include "opts.h" /* Various option-setting #defines. */
59 extern display_t display_type;
61 #define XSHOGI (display_type == DISPLAY_X)
64 /* Miscellaneous globals. */
66 extern short hard_time_limit; /* If you exceed time limit, you lose. */
67 extern short barebones; /* Don't print of stats for x interface. */
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
175 #define MAX_CAPTURED 19
176 #define NO_PTYPE_PIECES 15
180 #define NO_SQUARES (NO_COLS*NO_ROWS)
182 #define ROW_NAME(n) ('a' + NO_ROWS - 1 - n)
183 #define COL_NAME(n) ('1' + NO_COLS - 1 - n)
185 #if defined HASHFILE || defined CACHE
186 # define PTBLBDSIZE (NO_SQUARES + NO_PIECES)
191 #define SCORE_LIMIT 12000
193 /* masks into upper 16 bits of attacks array */
194 /* observe order of relative piece values */
195 #define CNT_MASK 0x000000FF
196 #define ctlP 0x00200000
197 #define ctlPp 0x00100000
198 #define ctlL 0x00080000
199 #define ctlN 0x00040000
200 #define ctlLp 0x00020000
201 #define ctlNp 0x00010000
202 #define ctlS 0x00008000
203 #define ctlSp 0x00004000
204 #define ctlG 0x00002000
205 #define ctlB 0x00001000
206 #define ctlBp 0x00000800
207 #define ctlR 0x00000400
208 #define ctlRp 0x00000200
209 #define ctlK 0x00000100
211 /* attack functions */
212 #define Pattack(c, u) (attack[c][u] > ctlP)
213 #define Anyattack(c, u) (attack[c][u] != 0)
215 /* hashtable flags */
216 #define truescore 0x0001
217 #define lowerbound 0x0002
218 #define upperbound 0x0004
219 #define kingcastle 0x0008
220 #define queencastle 0x0010
221 #define evalflag 0x0020
224 #define BlackKing PieceList[black][0]
225 #define WhiteKing PieceList[white][0]
226 #define OwnKing PieceList[c1][0]
227 #define EnemyKing PieceList[c2][0]
230 /* board properties */
232 #define InBlackCamp(sq) ((sq) < 27)
233 #define InWhiteCamp(sq) ((sq) > 53)
235 #define InBlackCamp(sq) ((sq) < 5)
236 #define InWhiteCamp(sq) ((sq) > 19)
238 #define InPromotionZone(side, sq) \
239 (((side) == black) ? InWhiteCamp(sq) : InBlackCamp(sq))
243 #define OPENING_HINT 0x141d /* P7g-7f (20->29) */
259 /* piece code defines */
267 /* start of pieces that can be dropped at any square */
308 #define pmask 0x000f /* 15 */
309 #define promote 0x0010 /* 16 */
310 #define dropmask 0x0020 /* 32 */
311 #define exact 0x0040 /* 64 */
312 #define tesuji 0x0080 /* 128 */
313 #define check 0x0100 /* 256 */
314 #define capture 0x0200 /* 512 */
315 #define draw 0x0400 /* 1024 */
316 #define stupid 0x0800 /* 2048 */
317 #define questionable 0x1000 /* 4096 */
318 #define kingattack 0x2000 /* 8192 */
319 #define book 0x4000 /* 16384 */
321 /* move quality flags */
322 #define goodmove tesuji
323 #define badmove stupid
325 #define difficult questionable
330 #define pxx (" PLNSGBRPLNSBRK ")
331 #define qxx (" plnsgbrplnsbrk ")
332 #define rxx ("ihgfedcba")
333 #define cxx ("987654321")
335 #define pxx (" PSGBRPSBRK ")
336 #define qxx (" psgbrpsbrk ")
337 #define rxx ("edcba")
338 #define cxx ("54321")
341 /***************** Table limits ********************************************/
344 * ttblsz must be a power of 2. Setting ttblsz 0 removes the transposition
350 #elif defined SMALL_MEMORY
351 # if defined SAVE_SSCORE
352 # define vttblsz (1 << 12)
354 # if defined EXTRA_2MB
355 # define vttblsz (1 << 12)
357 # define vttblsz (1 << 10)
361 # define vttblsz (100001)
364 #if defined SMALL_MEMORY
365 # define MINTTABLE (0)
367 # define MINTTABLE (8000) /* min ttable size -1 */
370 #define ttblsz vttblsz
372 #if defined SMALL_MEMORY
373 # if !defined SAVE_SSCORE
374 # define TREE 1500 /* max number of tree entries */
376 # define TREE 2500 /* max number of tree entries */
379 # define TREE 4000 /* max number of tree entries */
382 #define MAXDEPTH 40 /* max depth a search can be carried */
383 #define MINDEPTH 2 /* min search depth =1 (no hint), >1 hint */
384 #define MAXMOVES 300 /* max number of half moves in a game */
385 #define CPSIZE 241 /* size of lang file max */
387 #if defined SMALL_MEMORY
388 # if defined SAVE_SSCORE
389 # define ETABLE (1 << 10) /* static eval cache */
391 # if defined EXTRA_2MB
392 # define ETABLE (1 << 10) /* static eval cache */
394 # define ETABLE (1 << 8) /* static eval cache */
398 # define ETABLE (10001) /* static eval cache */
401 /***************** tuning paramaters *******************/
403 #if defined VERY_SLOW_CPU
404 # define MINRESPONSETIME 300
405 #elif defined SLOW_CPU
406 # define MINRESPONSETIME 200
408 # define MINRESPONSETIME 100 /* 1 s */
413 #define CHKDEPTH 1 /* always look forward CHKDEPTH
414 * half-moves if in check */
416 #if defined SLOW_CPU || defined VERY_SLOW_CPU
417 # define DEPTHBEYOND 7 /* Max to go beyond Sdepth */
419 # define DEPTHBEYOND 11 /* Max to go beyond Sdepth */
422 #define HASHDEPTH 4 /* depth above which to use HashFile */
423 #define HASHMOVELIMIT 40 /* Use HashFile only for this many moves */
424 #define PTVALUE 0 /* material value below which pawn threats at
426 #define ZDEPTH 3 /* depth beyond which to check
427 * ZDELTA for extra time */
428 #define ZDELTA 10 /* score delta per ply to cause
429 * extra time to be given */
432 /* about 1/2 second worth of nodes for your machine */
433 #if defined VERY_SLOW_CPU
434 /* check the time every ZNODES positions */
435 # define ZNODES (flag.tsume ? 20 : 50)
436 #elif defined SLOW_CPU
437 # define ZNODES (flag.tsume ? 40 : 100)
439 # define ZNODES (flag.tsume ? 400 : 1000)
442 #define MAXTCCOUNTX 10 /* max number of time clicks
443 * per search to complete ply */
444 #define MAXTCCOUNTR 4 /* max number of time clicks
445 * per search extensions*/
446 #define SCORESPLIM 8 /* Score space doesn't apply after this stage */
447 #define SDEPTHLIM (Sdepth + 1)
448 #define HISTORYLIM 4096 /* Max value of history killer */
451 # if defined SMALL_MEMORY
452 # define HISTORY_MASK 0x8000 /* mask to MSB of history index */
453 # define HISTORY_SIZE 0x10000 /* size of history table */
455 # define HISTORY_MASK (1 << 15) /* mask to MSB of history index */
456 # define HISTORY_SIZE (1 << 16) /* size of history table */
459 /* smaller history table, but dangerous because of collisions */
460 # define HISTORY_MASK 0x3fff /* mask to significant bits
461 * of history index */
462 # if defined SMALL_MEMORY
463 # define HISTORY_SIZE 0x4000 /* size of history table */
465 # define HISTORY_SIZE (1 << 14) /* size of history table */
469 #define sizeof_history (sizeof(unsigned short) * (size_t)HISTORY_SIZE)
472 /* Map from.to (8bit.8bit) to from.to (0.7bit.8bit) */
473 # define khmove(mv) (mv & 0x7fff)
474 # define hmove(mv) ((mv & 0x7fff) ^ 0x5555)
476 /* Map from.to (8bit.8bit) to from.to (00.7bit.7bit) */
477 /* Swap bits of ToSquare in case of promotions, hoping that
478 no catastrophic collision occurs. */
479 # define khmove(mv) (((mv & 0x7f00) >> 1) | \
480 ((mv & 0x0080) ? ((mv & 0x007f) ^ 0x007f) : (mv & 0x007f)))
481 # define hmove(mv) (khmove(mv) ^ 0x2aaa)
484 /* mask color to 15th bit */
486 # define hindex(c, mv) ((c ? HISTORY_MASK : 0) | hmove(mv))
488 /* for white, swap bits, hoping that no catastrophic collision occurs. */
489 # define hindex(c, mv) (c ? ((~hmove(mv)) & HISTORY_MASK) : hmove(mv))
492 #define EWNDW 10 /* Eval window to force position scoring at depth
493 * greater than (Sdepth + 2) */
494 #define WAWNDW 90 /* alpha window when computer black */
495 #define WBWNDW 90 /* beta window when computer black */
496 #define BAWNDW 90 /* alpha window when computer white */
497 #define BBWNDW 90 /* beta window when computer white */
498 #define BXWNDW 90 /* window to force position scoring at lower */
499 #define WXWNDW 90 /* window to force position scoring at lower */
501 #define DITHER 5 /* max amount random can alter a pos value */
502 #define LBONUS 1 /* points per stage value of L increases */
503 #define BBONUS 2 /* points per stage value of B increases */
504 #define RBONUS 2 /* points per stage value of R increases */
506 #define QUESTIONABLE (valueK) /* Penalty for questionable moves. */
512 #define STUPID (valueR << 1) /* Penalty for stupid moves. */
514 #define KINGPOSLIMIT (-1) /* King positional scoring limit */
515 #define KINGSAFETY 32
516 #define MAXrehash (7)
518 /******* parameters for Opening Book ****************/
520 #define BOOKSIZE 8000 /* Number of unique position/move
521 * combinations allowed */
522 #define BOOKMAXPLY 40 /* Max plys to keep in book database */
523 #define BOOKFAIL (BOOKMAXPLY / 2) /* if no book move found for BOOKFAIL
524 * turns stop using book */
525 #define BOOKPOCKET 64
526 #define BOOKRAND 1000 /* used to select an opening move
528 #define BOOKENDPCT 950 /* 5 % chance a BOOKEND will stop the book */
529 #define DONTUSE -32760 /* flag move as don't use */
530 #define ILLEGAL_TRAPPED -32761 /* flag move as illegal:
531 * no move from this square */
532 #define ILLEGAL_DOUBLED -32762 /* flag move as illegal:
533 * two pawns on one column */
534 #define ILLEGAL_MATE -32763 /* flag move as illegal:
535 * pawn drop with mate */
537 /*****************************************************/
541 unsigned long key, bd;
546 unsigned long hashbd;
548 unsigned char depth; /* unsigned char saves some space */
555 unsigned char bd[PTBLBDSIZE];
556 #endif /* HASHTEST */
559 #if defined HASHFILE || defined CACHE
562 unsigned long ehashbd;
564 #if !defined SAVE_SSCORE
565 short sscore[NO_SQUARES];
570 unsigned char bd[PTBLBDSIZE];
571 #endif /* CACHETEST */
575 extern short use_etable;
576 typedef struct etable etable_field[ETABLE];
577 extern etable_field *etab[2];
581 * CHECKME! Is this valid?
583 * persistent transposition table. By default, the size is (1 << vfilesz).
584 * If you change the size, be sure to run gnushogi -c [vfilesz]
585 * before anything else.
590 #if defined SMALL_MEMORY
598 unsigned char bd[PTBLBDSIZE];
599 unsigned char f, t, flags, depth, sh, sl;
602 #endif /* HASHFILE */
608 short score, reply, width;
610 unsigned short flags;
616 unsigned short gmove; /* this move */
617 short score; /* score after this move */
618 short depth; /* search depth this move */
619 long time; /* search time this move */
620 short fpiece; /* moved or dropped piece */
621 short piece; /* piece captured */
622 short color; /* color */
623 short flags; /* move flags capture, promote, castle */
624 short Game50; /* flag for repetition */
625 long nodes; /* nodes searched for this move */
626 unsigned long hashkey, hashbd; /* board key before this move */
630 struct TimeControlRec
639 short mate; /* the game is over */
640 short post; /* show principle variation */
641 short quit; /* quit/exit */
642 short regularstart; /* did the game start from standard
644 short reverse; /* reverse board display */
645 short bothsides; /* computer plays both sides */
646 short hash; /* enable/disable transposition table */
647 short force; /* enter moves */
648 short easy; /* disable thinking on opponents time */
649 short beep; /* enable/disable beep */
650 short timeout; /* time to make a move */
651 short musttimeout; /* time to make a move */
652 short back; /* time to make a move */
653 short rcptr; /* enable/disable recapture heuristics */
654 short rv; /* reverse video */
655 short stars; /* add stars to uxdsp screen */
656 short coords; /* add coords to visual screen */
658 short material; /* draw on lack of material */
659 short illegal; /* illegal position */
660 short onemove; /* timing is onemove */
661 short gamein; /* timing is gamein */
662 short tsume; /* first consider checks */
665 extern FILE *debugfile;
668 #define EVALFILE "/tmp/EVAL"
671 extern FILE *debug_eval_file;
672 extern short debug_moves;
676 extern short use_history;
677 extern unsigned short *history;
682 extern char ColorStr[2][10];
684 extern char mvstr[4][6];
685 extern unsigned short MV[MAXDEPTH];
687 extern int mycnt1, mycnt2;
689 extern struct leaf rootnode;
690 extern struct leaf *Tree;
691 extern struct leaf *root;
692 extern char savefile[], listfile[];
693 extern short TrPnt[];
694 extern small_short board[], color[];
695 extern const small_short sweep[NO_PIECES];
696 extern small_short PieceList[2][NO_SQUARES], PawnCnt[2][NO_COLS];
697 extern small_short Captured[2][NO_PIECES];
700 # define ClearCaptured() \
702 short piece, color; \
703 for (color = black; color <= white; color++) \
704 for (piece = 0; piece < NO_PIECES; piece++) \
705 Captured[color][piece] = 0; \
708 # define ClearCaptured() \
709 memset((char *)Captured, 0, (unsigned long)sizeof(Captured))
710 #endif /* HAVE_MEMSET */
712 extern small_short Mvboard[];
714 #if !defined SAVE_SVALUE
715 extern short svalue[NO_SQUARES];
718 extern short pscore[2]; /* eval.c */
719 extern int EADD; /* eval.c */
720 extern int EGET; /* eval.c */
721 extern struct flags flag;
722 extern short opponent, computer, INCscore;
723 extern short WAwindow, BAwindow, WBwindow, BBwindow;
724 extern short dither, player;
725 extern short xwndw, contempt;
726 extern long ResponseTime, ExtraTime, TCleft,
727 MaxResponseTime, et, et0, time0, ft;
730 #ifdef INTERRUPT_TEST
731 extern long itime0, it;
734 extern long reminus, replus;
735 extern long GenCnt, NodeCnt, ETnodes, EvalNodes, HashAdd, HashCnt,
736 HashCol, THashCol, FHashCnt, FHashAdd;
737 extern short HashDepth, HashMoveLimit;
738 extern struct GameRec *GameList;
739 extern short GameCnt, Game50;
740 extern short Sdepth, MaxSearchDepth;
742 extern struct TimeControlRec TimeControl;
744 extern short TCflag, TCmoves, TCminutes, TCseconds, OperatorTime;
745 extern int timecomp[MINGAMEIN], timeopp[MINGAMEIN];
746 extern int compptr, oppptr;
747 extern short XCmore, XCmoves[], XCminutes[], XCseconds[], XC;
748 extern const short otherside[];
749 extern const small_short Stboard[];
750 extern const small_short Stcolor[];
751 extern unsigned short hint;
753 extern short stage, stage2;
755 #define in_opening_stage (!flag.tsume && (stage < 33))
756 #define in_middlegame_stage (!flag.tsume && (stage >= 33) && (stage <= 66))
757 #define in_endgame_stage (flag.tsume || (stage > 66))
759 extern short ahead, hash;
760 extern short balance[2];
761 extern small_short ChkFlag[], CptrFlag[], TesujiFlag[];
762 extern short Pscore[], Tscore[];
763 extern /*unsigned*/ short rehash; /* -1 is used as a flag --tpm */
764 extern unsigned int ttbllimit;
765 extern unsigned int TTadd;
766 extern unsigned int ttblsize;
767 extern short mtl[], hung[];
768 extern small_short Pindex[];
769 extern small_short PieceCnt[];
770 extern short FROMsquare, TOsquare;
771 extern small_short HasPiece[2][NO_PIECES];
772 extern const short kingP[];
773 extern unsigned short killr0[], killr1[];
774 extern unsigned short killr2[], killr3[];
775 extern unsigned short PrVar[MAXDEPTH];
776 extern unsigned short PV, SwagHt, Swag0, Swag1, Swag2, Swag3, Swag4, sidebit;
777 extern short mtl[2], pmtl[2], hung[2];
778 extern const small_short relative_value[];
779 extern const long control[];
780 extern small_short diagonal(short delta);
781 extern const small_short promoted[NO_PIECES], unpromoted[NO_PIECES];
782 extern const small_short is_promoted[NO_PIECES];
784 typedef unsigned char next_array[NO_SQUARES][NO_SQUARES];
785 typedef small_short distdata_array[NO_SQUARES][NO_SQUARES];
787 extern const small_short inunmap[NO_SQUARES];
789 extern const small_short nunmap[(NO_COLS + 2)*(NO_ROWS + 4)];
791 extern const small_short nunmap[(NO_COLS + 2)*(NO_ROWS + 2)];
794 #if defined SAVE_NEXTPOS
795 extern const small_short direc[NO_PTYPE_PIECES][8];
796 extern short first_direction(short ptyp, short *d, short sq);
797 extern short next_direction(short ptyp, short *d, short sq);
798 extern short next_position(short ptyp, short *d, short sq, short u);
800 extern short use_nextpos;
801 extern next_array *nextpos[NO_PTYPE_PIECES];
802 extern next_array *nextdir[NO_PTYPE_PIECES];
805 extern value_array *value;
806 extern fscore_array *fscore;
808 #ifndef SAVE_DISTDATA
809 extern short use_distdata;
810 extern distdata_array *distdata;
813 #ifndef SAVE_PTYPE_DISTDATA
814 extern short use_ptype_distdata;
815 extern distdata_array *ptype_distdata[NO_PTYPE_PIECES];
818 extern const small_short ptype[2][NO_PIECES];
820 extern long filesz, hashmask, hashbase;
821 extern FILE *hashfile;
822 extern unsigned int starttime;
825 typedef small_short Mpiece_array[2][NO_SQUARES];
826 extern Mpiece_array *Mpiece[NO_PIECES];
827 extern short ADVNCM[NO_PIECES];
829 #define computed_distance(a, b) \
830 ((abs(column(a) - column(b)) > abs(row(a) - row(b))) \
831 ? abs(column(a) - column(b)) : abs(row(a) - row(b)))
833 extern short distance(short a, short b);
834 extern short ptype_distance(short ptyp, short f, short t);
835 extern short piece_distance(short side, short piece, short f, short t);
842 #define STATIC_ROOK 'S'
843 #define RANGING_ROOK 'R'
845 extern char GameType[2];
846 void ShowGameType(void);
848 extern unsigned short bookmaxply;
849 extern unsigned int bookcount;
850 extern unsigned int booksize;
851 extern unsigned long hashkey, hashbd;
853 typedef struct hashval hashcode_array[2][NO_PIECES][NO_SQUARES];
854 typedef struct hashval drop_hashcode_array[2][NO_PIECES][NO_SQUARES];
856 extern hashcode_array *hashcode;
857 extern drop_hashcode_array *drop_hashcode;
859 #ifdef QUIETBACKGROUND
860 extern short background;
861 #endif /* QUIETBACKGROUND */
864 extern short use_ttable;
865 extern struct hashentry *ttable[2];
869 * hashbd contains a 32 bit "signature" of the board position. hashkey
870 * contains a 16 bit code used to address the hash table. When a move is
871 * made, XOR'ing the hashcode of moved piece on the from and to squares with
872 * the hashbd and hashkey values keeps things current.
875 #define UpdateHashbd(side, piece, f, t) \
879 hashbd ^= (*hashcode)[side][piece][f].bd; \
880 hashkey ^= (*hashcode)[side][piece][f].key; \
885 hashbd ^= (*hashcode)[side][piece][t].bd; \
886 hashkey ^= (*hashcode)[side][piece][t].key; \
890 #define UpdateDropHashbd(side, piece, count) \
892 hashbd ^= (*drop_hashcode)[side][piece][count].bd; \
893 hashkey ^= (*drop_hashcode)[side][piece][count].key; \
897 extern short rpthash[2][256];
900 extern char* DRAW_REPETITION;
901 extern char *DRAW_MAXMOVES;
902 extern char *DRAW_JUSTDRAW;
904 #define row(a) ((a) / NO_COLS)
905 #define column(a) ((a) % NO_COLS)
906 #define locn(a, b) (((a) * NO_COLS) + b)
908 /* init external functions */
909 extern void InitConst(char *lang); /* init.c */
910 extern int Initialize_data(void); /* init.c */
911 extern void Free_data(void); /* init.c */
912 extern int Lock_data(void); /* init.c */
913 extern void Unlock_data(void); /* init.c */
914 extern void Initialize_dist(void); /* init.c */
915 extern void Initialize_eval(void); /* eval.c */
916 extern void NewGame(void);
917 extern void GetOpenings(void);
918 extern int OpeningBook(unsigned short *hint);
922 REMOVE_PIECE = 1, ADD_PIECE
923 } UpdatePieceList_mode;
926 UpdatePieceList(short side, short sq, UpdatePieceList_mode iop);
930 FOREGROUND_MODE = 1, BACKGROUND_MODE
934 SelectMove(short side, SelectMove_mode iop);
942 unsigned short *bstline,
946 void PutInEETable(short side, int score);
947 int CheckEETable(short side);
948 int ProbeEETable(short side, short *score);
953 ProbeTTable(short side,
961 PutInTTable(short side,
968 extern void ZeroTTable(void);
969 extern void ZeroRPT(void);
970 extern void Initialize_ttable(void);
971 extern unsigned int urand(void);
974 extern void gsrand(unsigned int);
977 ProbeFTable(short side,
985 PutInFTable(short side,
994 # endif /* HASHFILE */
997 #if !defined SAVE_NEXTPOS
998 extern void Initialize_moves(void);
1001 extern short generate_move_flags;
1003 extern void MoveList(short side, short ply,
1004 short in_check, short blockable);
1005 extern void CaptureList(short side, short ply,
1006 short in_check, short blockable);
1008 /* from attacks.c */
1010 SqAttacked(short square, short side, short *blockable);
1013 MakeMove(short side,
1022 UnmakeMove(short side,
1030 InitializeStats(void);
1033 evaluate(short side,
1041 extern short ScorePosition(short side);
1042 extern void ExaminePosition(short side);
1043 extern short ScorePatternDistance(short side);
1044 extern void DetermineStage(short side);
1045 extern void UpdateWeights(short side);
1046 extern int InitMain(void);
1047 extern void ExitMain(void);
1048 extern void Initialize(void);
1049 extern void InputCommand(char *command);
1050 extern void ExitShogi(void);
1051 extern void ClearScreen(void);
1052 extern void SetTimeControl(void);
1053 extern void SelectLevel(char *sx);
1056 UpdateDisplay(short f,
1063 COMPUTE_AND_INIT_MODE = 1, COMPUTE_MODE
1064 #ifdef INTERRUPT_TEST
1065 , INIT_INTERRUPT_MODE, COMPUTE_INTERRUPT_MODE
1069 extern void SetResponseTime(short side);
1070 extern void CheckForTimeout(int score, int globalscore,
1071 int Jscore, int zwndw);
1072 extern void ShowSidetoMove(void);
1073 extern void ShowResponseTime(void);
1074 extern void ShowPatternCount(short side, short n);
1075 extern void SearchStartStuff(short side);
1076 extern void ShowDepth(char ch);
1077 extern void TerminateSearch(int);
1078 extern void ShowResults(short score, unsigned short *bstline, char ch);
1079 extern void SetupBoard(void);
1080 extern void algbr(short f, short t, short flag);
1081 extern void OutputMove(void);
1082 extern void ShowCurrentMove(short pnt, short f, short t);
1083 extern void ListGame(void);
1084 extern void ShowMessage(char *s);
1085 extern void ClearScreen(void);
1086 extern void DoDebug(void);
1087 extern void DoTable(short table[NO_SQUARES]);
1088 extern void ShowPostnValues(void);
1089 extern void ChangeXwindow(void);
1090 extern void SetContempt(void);
1091 extern void ChangeHashDepth(void);
1092 extern void ChangeBetaWindow(void);
1093 extern void GiveHint(void);
1094 extern void ShowPrompt(void);
1095 extern void EditBoard(void);
1096 extern void help(void);
1097 extern void ChangeSearchDepth(void);
1098 extern void skip(void);
1099 extern void skipb(void);
1100 extern void EnPassant(short xside, short f, short t, short iop);
1101 extern void ShowNodeCnt(long NodeCnt);
1102 extern void ShowLine(unsigned short *bstline);
1103 extern int pick(short p1, short p2);
1104 extern short repetition(void);
1105 extern void TimeCalc(void);
1106 extern void ElapsedTime(ElapsedTime_mode iop);
1109 DropPossible(short piece, short side, short sq); /* genmoves.c */
1112 IsCheckmate(short side, short in_check,
1113 short blockable); /* genmoves.c */
1118 VERIFY_AND_MAKE_MODE, VERIFY_AND_TRY_MODE, UNMAKE_MODE
1121 extern int VerifyMove(char *s, VerifyMove_mode iop, unsigned short *mv);
1122 extern unsigned short TTage;
1124 /* display driver framework */
1128 void (*ChangeAlphaWindow)(void);
1129 void (*ChangeBetaWindow)(void);
1130 void (*ChangeHashDepth)(void);
1131 void (*ChangeSearchDepth)(char *sx);
1132 void (*ChangeXwindow)(void);
1133 void (*ClearScreen)(void);
1134 void (*DoDebug)(void);
1135 void (*DoTable)(short table[NO_SQUARES]);
1136 void (*EditBoard)(void);
1137 void (*ExitShogi)(void);
1138 void (*GiveHint)(void);
1139 void (*Initialize)(void);
1140 void (*ShowNodeCnt)(long NodeCnt);
1141 void (*OutputMove)(void);
1142 void (*PollForInput)(void);
1143 void (*SetContempt)(void);
1144 void (*SearchStartStuff)(short side);
1145 void (*SelectLevel)(char *sx);
1146 void (*ShowCurrentMove)(short pnt, short f, short t);
1147 void (*ShowDepth)(char ch);
1148 void (*ShowGameType)(void);
1149 void (*ShowLine)(unsigned short *bstline);
1150 void (*ShowMessage)(char *s);
1151 void (*AlwaysShowMessage)(const char *format, ...);
1152 void (*Printf)(const char *format, ...);
1153 void (*doRequestInputString)(const char* fmt, char* buffer);
1154 int (*GetString)(char* sx);
1155 void (*SetupBoard)(void);
1156 void (*ShowPatternCount)(short side, short n);
1157 void (*ShowPostnValue)(short sq);
1158 void (*ShowPostnValues)(void);
1159 void (*ShowPrompt)(void);
1160 void (*ShowResponseTime)(void);
1161 void (*ShowResults)(short score, unsigned short *bstline, char ch);
1162 void (*ShowSidetoMove)(void);
1163 void (*ShowStage)(void);
1164 void (*TerminateSearch)(int sig);
1165 void (*UpdateClocks)(void);
1166 void (*UpdateDisplay)(short f, short t, short redraw, short isspec);
1170 extern struct display *dsp;
1172 extern struct display raw_display;
1173 extern struct display curses_display;
1175 #endif /* _GNUSHOGI_H_ */