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. */
69 extern short xboard; /* Use XBoard instead of xShogi protocol */
73 * Options for various compilers/OSs.
77 * type small_short must cover -128 .. 127. In case of trouble,
78 * try commenting out "signed". If this doesn't help, use short.
81 #define small_short signed char
82 #define small_ushort unsigned char
85 typedef small_ushort UBYTE;
87 typedef unsigned short USHORT;
89 typedef unsigned int UINT;
91 typedef unsigned long ULONG;
94 #if !defined(HAVE_MEMCPY) && !defined(HAVE_BCOPY)
95 # define array_copy(src, dst, len) \
98 char *psrc = (char *)src, *pdst = (char *)dst; \
99 for (i = len; i; pdst[--i] = psrc[i]); \
101 # define array_zero(dst, len) \
104 char *pdst = (char *)dst; \
105 for (i = len; i; pdst[--i] = 0); \
107 #elif !defined(HAVE_MEMCPY) /* BSD and derivatives */
108 # define array_copy(src, dst, len) bcopy(src, dst, len)
109 # define array_zero(dst, len) bzero(dst, len)
110 #else /* System V and derivatives */
111 # define array_copy(src, dst, len) memcpy(dst, src, len)
112 # define array_zero(dst, len) memset(dst, 0, len)
122 * Standard header files.
131 #include <sys/param.h>
132 #include <sys/types.h>
134 # include <windows.h>
136 typedef small_short BYTE;
137 # include <sys/times.h>
138 # include <sys/ioctl.h>
141 #if TIME_WITH_SYS_TIME
142 # include <sys/time.h>
146 # include <sys/time.h>
155 extern char *binbookfile;
158 extern char *bookfile;
162 extern void movealgbr(short m, char *s);
170 #define MAX_CAPTURED 19
171 #define NO_PTYPE_PIECES 11
174 #define NO_CAMP_ROWS 1
177 #define MAX_CAPTURED 19
178 #define NO_PTYPE_PIECES 15
181 #define NO_CAMP_ROWS 3
183 #define NO_SQUARES (NO_COLS*NO_ROWS)
185 #define ROW_NAME(n) ('a' + NO_ROWS - 1 - n)
186 #define COL_NAME(n) ('1' + NO_COLS - 1 - n)
187 #define ROW_NUM(c) ('a' + NO_ROWS - 1 - c)
188 #define COL_NUM(c) ('1' + NO_COLS - 1 - c)
190 #if defined HASHFILE || defined CACHE
191 # define PTBLBDSIZE (NO_SQUARES + NO_PIECES)
196 #define SCORE_LIMIT 12000
198 /* masks into upper 16 bits of attacks array */
199 /* observe order of relative piece values */
200 #define CNT_MASK 0x000000FF
201 #define ctlP 0x00200000
202 #define ctlPp 0x00100000
203 #define ctlL 0x00080000
204 #define ctlN 0x00040000
205 #define ctlLp 0x00020000
206 #define ctlNp 0x00010000
207 #define ctlS 0x00008000
208 #define ctlSp 0x00004000
209 #define ctlG 0x00002000
210 #define ctlB 0x00001000
211 #define ctlBp 0x00000800
212 #define ctlR 0x00000400
213 #define ctlRp 0x00000200
214 #define ctlK 0x00000100
216 /* attack functions */
217 #define Pattack(c, u) (attack[c][u] > ctlP)
218 #define Anyattack(c, u) (attack[c][u] != 0)
220 /* hashtable flags */
221 #define truescore 0x0001
222 #define lowerbound 0x0002
223 #define upperbound 0x0004
224 #define kingcastle 0x0008
225 #define queencastle 0x0010
226 #define evalflag 0x0020
229 #define BlackKing PieceList[black][0]
230 #define WhiteKing PieceList[white][0]
231 #define OwnKing PieceList[c1][0]
232 #define EnemyKing PieceList[c2][0]
235 /* board properties */
236 #define InBlackCamp(sq) ((sq) < (NO_COLS * NO_CAMP_ROWS))
237 #define InWhiteCamp(sq) ((sq) >= (NO_COLS * (NO_ROWS - NO_CAMP_ROWS)))
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 ")
333 #define pxx (" PSGBRPSBRK ")
334 #define qxx (" psgbrpsbrk ")
337 /***************** Table limits ********************************************/
340 * ttblsz must be a power of 2. Setting ttblsz 0 removes the transposition
346 #elif defined SMALL_MEMORY
347 # if defined SAVE_SSCORE
348 # define vttblsz (1 << 12)
350 # if defined EXTRA_2MB
351 # define vttblsz (1 << 12)
353 # define vttblsz (1 << 10)
357 # define vttblsz (100001)
360 #if defined SMALL_MEMORY
361 # define MINTTABLE (0)
363 # define MINTTABLE (8000) /* min ttable size -1 */
366 #define ttblsz vttblsz
368 #if defined SMALL_MEMORY
369 # if !defined SAVE_SSCORE
370 # define TREE 1500 /* max number of tree entries */
372 # define TREE 2500 /* max number of tree entries */
375 # define TREE 4000 /* max number of tree entries */
378 #define MAXDEPTH 40 /* max depth a search can be carried */
379 #define MINDEPTH 2 /* min search depth =1 (no hint), >1 hint */
380 #define MAXMOVES 300 /* max number of half moves in a game */
381 #define CPSIZE 241 /* size of lang file max */
383 #if defined SMALL_MEMORY
384 # if defined SAVE_SSCORE
385 # define ETABLE (1 << 10) /* static eval cache */
387 # if defined EXTRA_2MB
388 # define ETABLE (1 << 10) /* static eval cache */
390 # define ETABLE (1 << 8) /* static eval cache */
394 # define ETABLE (10001) /* static eval cache */
397 /***************** tuning paramaters *******************/
399 #if defined VERY_SLOW_CPU
400 # define MINRESPONSETIME 300
401 #elif defined SLOW_CPU
402 # define MINRESPONSETIME 200
404 # define MINRESPONSETIME 100 /* 1 s */
409 #define CHKDEPTH 1 /* always look forward CHKDEPTH
410 * half-moves if in check */
412 #if defined SLOW_CPU || defined VERY_SLOW_CPU
413 # define DEPTHBEYOND 7 /* Max to go beyond Sdepth */
415 # define DEPTHBEYOND 11 /* Max to go beyond Sdepth */
418 #define HASHDEPTH 4 /* depth above which to use HashFile */
419 #define HASHMOVELIMIT 40 /* Use HashFile only for this many moves */
420 #define PTVALUE 0 /* material value below which pawn threats at
422 #define ZDEPTH 3 /* depth beyond which to check
423 * ZDELTA for extra time */
424 #define ZDELTA 10 /* score delta per ply to cause
425 * extra time to be given */
428 /* about 1/2 second worth of nodes for your machine */
429 #if defined VERY_SLOW_CPU
430 /* check the time every ZNODES positions */
431 # define ZNODES (flag.tsume ? 20 : 50)
432 #elif defined SLOW_CPU
433 # define ZNODES (flag.tsume ? 40 : 100)
435 # define ZNODES (flag.tsume ? 400 : 1000)
438 #define MAXTCCOUNTX 10 /* max number of time clicks
439 * per search to complete ply */
440 #define MAXTCCOUNTR 4 /* max number of time clicks
441 * per search extensions*/
442 #define SCORESPLIM 8 /* Score space doesn't apply after this stage */
443 #define SDEPTHLIM (Sdepth + 1)
444 #define HISTORYLIM 4096 /* Max value of history killer */
447 # if defined SMALL_MEMORY
448 # define HISTORY_MASK 0x8000 /* mask to MSB of history index */
449 # define HISTORY_SIZE 0x10000 /* size of history table */
451 # define HISTORY_MASK (1 << 15) /* mask to MSB of history index */
452 # define HISTORY_SIZE (1 << 16) /* size of history table */
455 /* smaller history table, but dangerous because of collisions */
456 # define HISTORY_MASK 0x3fff /* mask to significant bits
457 * of history index */
458 # if defined SMALL_MEMORY
459 # define HISTORY_SIZE 0x4000 /* size of history table */
461 # define HISTORY_SIZE (1 << 14) /* size of history table */
465 #define sizeof_history (sizeof(unsigned short) * (size_t)HISTORY_SIZE)
468 /* Map from.to (8bit.8bit) to from.to (0.7bit.8bit) */
469 # define khmove(mv) (mv & 0x7fff)
470 # define hmove(mv) ((mv & 0x7fff) ^ 0x5555)
472 /* Map from.to (8bit.8bit) to from.to (00.7bit.7bit) */
473 /* Swap bits of ToSquare in case of promotions, hoping that
474 no catastrophic collision occurs. */
475 # define khmove(mv) (((mv & 0x7f00) >> 1) | \
476 ((mv & 0x0080) ? ((mv & 0x007f) ^ 0x007f) : (mv & 0x007f)))
477 # define hmove(mv) (khmove(mv) ^ 0x2aaa)
480 /* mask color to 15th bit */
482 # define hindex(c, mv) ((c ? HISTORY_MASK : 0) | hmove(mv))
484 /* for white, swap bits, hoping that no catastrophic collision occurs. */
485 # define hindex(c, mv) (c ? ((~hmove(mv)) & HISTORY_MASK) : hmove(mv))
488 #define EWNDW 10 /* Eval window to force position scoring at depth
489 * greater than (Sdepth + 2) */
490 #define WAWNDW 90 /* alpha window when computer black */
491 #define WBWNDW 90 /* beta window when computer black */
492 #define BAWNDW 90 /* alpha window when computer white */
493 #define BBWNDW 90 /* beta window when computer white */
494 #define BXWNDW 90 /* window to force position scoring at lower */
495 #define WXWNDW 90 /* window to force position scoring at lower */
497 #define DITHER 5 /* max amount random can alter a pos value */
498 #define LBONUS 1 /* points per stage value of L increases */
499 #define BBONUS 2 /* points per stage value of B increases */
500 #define RBONUS 2 /* points per stage value of R increases */
502 #define QUESTIONABLE (valueK) /* Penalty for questionable moves. */
508 #define STUPID (valueR << 1) /* Penalty for stupid moves. */
510 #define KINGPOSLIMIT (-1) /* King positional scoring limit */
511 #define KINGSAFETY 32
512 #define MAXrehash (7)
514 /******* parameters for Opening Book ****************/
516 #define BOOKSIZE 8000 /* Number of unique position/move
517 * combinations allowed */
518 #define BOOKMAXPLY 40 /* Max plys to keep in book database */
519 #define BOOKFAIL (BOOKMAXPLY / 2) /* if no book move found for BOOKFAIL
520 * turns stop using book */
521 #define BOOKPOCKET 64
522 #define BOOKRAND 1000 /* used to select an opening move
524 #define BOOKENDPCT 950 /* 5 % chance a BOOKEND will stop the book */
525 #define DONTUSE -32760 /* flag move as don't use */
526 #define ILLEGAL_TRAPPED -32761 /* flag move as illegal:
527 * no move from this square */
528 #define ILLEGAL_DOUBLED -32762 /* flag move as illegal:
529 * two pawns on one column */
530 #define ILLEGAL_MATE -32763 /* flag move as illegal:
531 * pawn drop with mate */
533 /*****************************************************/
537 unsigned long key, bd;
542 unsigned long hashbd;
544 unsigned char depth; /* unsigned char saves some space */
551 unsigned char bd[PTBLBDSIZE];
552 #endif /* HASHTEST */
555 #if defined HASHFILE || defined CACHE
558 unsigned long ehashbd;
560 #if !defined SAVE_SSCORE
561 short sscore[NO_SQUARES];
566 unsigned char bd[PTBLBDSIZE];
567 #endif /* CACHETEST */
571 extern short use_etable;
572 typedef struct etable etable_field[ETABLE];
573 extern etable_field *etab[2];
577 * CHECKME! Is this valid?
579 * persistent transposition table. By default, the size is (1 << vfilesz).
580 * If you change the size, be sure to run gnushogi -c [vfilesz]
581 * before anything else.
586 #if defined SMALL_MEMORY
594 unsigned char bd[PTBLBDSIZE];
595 unsigned char f, t, flags, depth, sh, sl;
598 #endif /* HASHFILE */
604 short score, reply, width;
606 unsigned short flags;
612 unsigned short gmove; /* this move */
613 short score; /* score after this move */
614 short depth; /* search depth this move */
615 long time; /* search time this move */
616 short fpiece; /* moved or dropped piece */
617 short piece; /* piece captured */
618 short color; /* color */
619 short flags; /* move flags capture, promote, castle */
620 short Game50; /* flag for repetition */
621 long nodes; /* nodes searched for this move */
622 unsigned long hashkey, hashbd; /* board key before this move */
626 struct TimeControlRec
635 short mate; /* the game is over */
636 short post; /* show principle variation */
637 short quit; /* quit/exit */
638 short regularstart; /* did the game start from standard
640 short reverse; /* reverse board display */
641 short bothsides; /* computer plays both sides */
642 short hash; /* enable/disable transposition table */
643 short force; /* enter moves */
644 short easy; /* disable thinking on opponents time */
645 short beep; /* enable/disable beep */
646 short timeout; /* time to make a move */
647 short musttimeout; /* time to make a move */
648 short back; /* time to make a move */
649 short rcptr; /* enable/disable recapture heuristics */
650 short rv; /* reverse video */
651 short stars; /* add stars to uxdsp screen */
652 short coords; /* add coords to visual screen */
654 short material; /* draw on lack of material */
655 short illegal; /* illegal position */
656 short onemove; /* timing is onemove */
657 short gamein; /* timing is gamein */
658 short tsume; /* first consider checks */
661 extern FILE *debugfile;
664 #define EVALFILE "/tmp/EVAL"
667 extern FILE *debug_eval_file;
668 extern short debug_moves;
672 extern short use_history;
673 extern unsigned short *history;
678 extern char ColorStr[2][10];
680 extern char mvstr[4][6];
681 extern int mycnt1, mycnt2;
683 extern struct leaf rootnode;
684 extern struct leaf *Tree;
685 extern struct leaf *root;
686 extern char savefile[], listfile[];
687 extern short TrPnt[];
688 extern small_short board[], color[];
689 extern const small_short sweep[NO_PIECES];
690 extern small_short PieceList[2][NO_SQUARES], PawnCnt[2][NO_COLS];
691 extern small_short Captured[2][NO_PIECES];
694 # define ClearCaptured() \
696 short piece, color; \
697 for (color = black; color <= white; color++) \
698 for (piece = 0; piece < NO_PIECES; piece++) \
699 Captured[color][piece] = 0; \
702 # define ClearCaptured() \
703 memset((char *)Captured, 0, (unsigned long)sizeof(Captured))
704 #endif /* HAVE_MEMSET */
706 extern small_short Mvboard[];
708 #if !defined SAVE_SVALUE
709 extern short svalue[NO_SQUARES];
712 extern short pscore[2]; /* eval.c */
713 extern int EADD; /* eval.c */
714 extern int EGET; /* eval.c */
715 extern struct flags flag;
716 extern short opponent, computer, INCscore;
717 extern short WAwindow, BAwindow, WBwindow, BBwindow;
718 extern short dither, player;
719 extern short xwndw, contempt;
720 extern long ResponseTime, ExtraTime, TCleft,
721 MaxResponseTime, et, et0, time0, ft;
724 #ifdef INTERRUPT_TEST
725 extern long itime0, it;
728 extern long reminus, replus;
729 extern long GenCnt, NodeCnt, ETnodes, EvalNodes, HashAdd, HashCnt,
730 HashCol, THashCol, FHashCnt, FHashAdd;
731 extern short HashDepth, HashMoveLimit;
732 extern struct GameRec *GameList;
733 extern short GameCnt, Game50;
734 extern short Sdepth, MaxSearchDepth;
736 extern struct TimeControlRec TimeControl;
738 extern short TCflag, TCmoves, TCminutes, TCseconds, OperatorTime;
739 extern int timecomp[MINGAMEIN], timeopp[MINGAMEIN];
740 extern int compptr, oppptr;
741 extern short XCmore, XCmoves[], XCminutes[], XCseconds[], XC;
742 extern const short otherside[];
743 extern const small_short Stboard[];
744 extern const small_short Stcolor[];
745 extern unsigned short hint;
747 extern short stage, stage2;
749 #define in_opening_stage (!flag.tsume && (stage < 33))
750 #define in_middlegame_stage (!flag.tsume && (stage >= 33) && (stage <= 66))
751 #define in_endgame_stage (flag.tsume || (stage > 66))
753 extern short ahead, hash;
754 extern short balance[2];
755 extern small_short ChkFlag[], CptrFlag[], TesujiFlag[];
756 extern short Pscore[], Tscore[];
757 extern /*unsigned*/ short rehash; /* -1 is used as a flag --tpm */
758 extern unsigned int ttbllimit;
759 extern unsigned int TTadd;
760 extern unsigned int ttblsize;
761 extern short mtl[], hung[];
762 extern small_short Pindex[];
763 extern small_short PieceCnt[];
764 extern short FROMsquare, TOsquare;
765 extern small_short HasPiece[2][NO_PIECES];
766 extern const short kingP[];
767 extern unsigned short killr0[], killr1[];
768 extern unsigned short killr2[], killr3[];
769 extern unsigned short PrVar[MAXDEPTH];
770 extern unsigned short PV, SwagHt, Swag0, Swag1, Swag2, Swag3, Swag4, sidebit;
771 extern short mtl[2], pmtl[2], hung[2];
772 extern const small_short relative_value[];
773 extern const long control[];
774 extern small_short diagonal(short delta);
775 extern const small_short promoted[NO_PIECES], unpromoted[NO_PIECES];
776 extern const small_short is_promoted[NO_PIECES];
778 typedef unsigned char next_array[NO_SQUARES][NO_SQUARES];
779 typedef small_short distdata_array[NO_SQUARES][NO_SQUARES];
781 extern const small_short inunmap[NO_SQUARES];
783 extern const small_short nunmap[(NO_COLS + 2)*(NO_ROWS + 4)];
785 extern const small_short nunmap[(NO_COLS + 2)*(NO_ROWS + 2)];
788 #if defined SAVE_NEXTPOS
789 extern const small_short direc[NO_PTYPE_PIECES][8];
790 extern short first_direction(short ptyp, short *d, short sq);
791 extern short next_direction(short ptyp, short *d, short sq);
792 extern short next_position(short ptyp, short *d, short sq, short u);
794 extern short use_nextpos;
795 extern next_array *nextpos[NO_PTYPE_PIECES];
796 extern next_array *nextdir[NO_PTYPE_PIECES];
799 extern value_array *value;
800 extern fscore_array *fscore;
802 #ifndef SAVE_DISTDATA
803 extern short use_distdata;
804 extern distdata_array *distdata;
807 #ifndef SAVE_PTYPE_DISTDATA
808 extern short use_ptype_distdata;
809 extern distdata_array *ptype_distdata[NO_PTYPE_PIECES];
812 extern const small_short ptype[2][NO_PIECES];
814 extern long filesz, hashmask, hashbase;
815 extern FILE *hashfile;
816 extern unsigned int starttime;
819 typedef small_short Mpiece_array[2][NO_SQUARES];
820 extern Mpiece_array *Mpiece[NO_PIECES];
821 extern short ADVNCM[NO_PIECES];
823 #define computed_distance(a, b) \
824 ((abs(column(a) - column(b)) > abs(row(a) - row(b))) \
825 ? abs(column(a) - column(b)) : abs(row(a) - row(b)))
827 extern short distance(short a, short b);
828 extern short ptype_distance(short ptyp, short f, short t);
829 extern short piece_distance(short side, short piece, short f, short t);
836 #define STATIC_ROOK 'S'
837 #define RANGING_ROOK 'R'
839 extern char GameType[2];
840 void ShowGameType(void);
842 extern unsigned short bookmaxply;
843 extern unsigned int bookcount;
844 extern unsigned int booksize;
845 extern unsigned long hashkey, hashbd;
847 typedef struct hashval hashcode_array[2][NO_PIECES][NO_SQUARES];
848 typedef struct hashval drop_hashcode_array[2][NO_PIECES][NO_SQUARES];
850 extern hashcode_array *hashcode;
851 extern drop_hashcode_array *drop_hashcode;
853 #ifdef QUIETBACKGROUND
854 extern short background;
855 #endif /* QUIETBACKGROUND */
858 extern short use_ttable;
859 extern struct hashentry *ttable[2];
863 * hashbd contains a 32 bit "signature" of the board position. hashkey
864 * contains a 16 bit code used to address the hash table. When a move is
865 * made, XOR'ing the hashcode of moved piece on the from and to squares with
866 * the hashbd and hashkey values keeps things current.
869 #define UpdateHashbd(side, piece, f, t) \
873 hashbd ^= (*hashcode)[side][piece][f].bd; \
874 hashkey ^= (*hashcode)[side][piece][f].key; \
879 hashbd ^= (*hashcode)[side][piece][t].bd; \
880 hashkey ^= (*hashcode)[side][piece][t].key; \
884 #define UpdateDropHashbd(side, piece, count) \
886 hashbd ^= (*drop_hashcode)[side][piece][count].bd; \
887 hashkey ^= (*drop_hashcode)[side][piece][count].key; \
891 extern short rpthash[2][256];
894 extern char* DRAW_REPETITION;
895 extern char *DRAW_MAXMOVES;
896 extern char *DRAW_JUSTDRAW;
898 #define row(a) ((a) / NO_COLS)
899 #define column(a) ((a) % NO_COLS)
900 #define locn(a, b) (((a) * NO_COLS) + b)
902 /* init external functions */
903 extern void InitConst(char *lang); /* init.c */
904 extern int Initialize_data(void); /* init.c */
905 extern void Free_data(void); /* init.c */
906 extern int Lock_data(void); /* init.c */
907 extern void Unlock_data(void); /* init.c */
908 extern void Initialize_dist(void); /* init.c */
909 extern void Initialize_eval(void); /* eval.c */
910 extern void NewGame(void);
911 extern void GetOpenings(void);
912 extern int OpeningBook(unsigned short *hint);
916 REMOVE_PIECE = 1, ADD_PIECE
917 } UpdatePieceList_mode;
920 UpdatePieceList(short side, short sq, UpdatePieceList_mode iop);
924 FOREGROUND_MODE = 1, BACKGROUND_MODE
928 SelectMove(short side, SelectMove_mode iop);
936 unsigned short *bstline,
940 void PutInEETable(short side, int score);
941 int CheckEETable(short side);
942 int ProbeEETable(short side, short *score);
947 ProbeTTable(short side,
955 PutInTTable(short side,
962 extern void ZeroTTable(void);
963 extern void ZeroRPT(void);
964 extern void Initialize_ttable(void);
965 extern unsigned int urand(void);
968 extern void gsrand(unsigned int);
971 ProbeFTable(short side,
979 PutInFTable(short side,
988 # endif /* HASHFILE */
991 #if !defined SAVE_NEXTPOS
992 extern void Initialize_moves(void);
995 extern short generate_move_flags;
997 extern void MoveList(short side, short ply,
998 short in_check, short blockable);
999 extern void CaptureList(short side, short ply,
1000 short in_check, short blockable);
1002 /* from attacks.c */
1004 SqAttacked(short square, short side, short *blockable);
1007 MakeMove(short side,
1016 UnmakeMove(short side,
1024 InitializeStats(void);
1027 evaluate(short side,
1035 extern short ScorePosition(short side);
1036 extern void ExaminePosition(short side);
1037 extern short ScorePatternDistance(short side);
1038 extern void DetermineStage(short side);
1039 extern void UpdateWeights(short side);
1040 extern int InitMain(void);
1041 extern void ExitMain(void);
1042 extern void Initialize(void);
1043 extern void InputCommand(char *command);
1044 extern void ExitShogi(void);
1045 extern void ClearScreen(void);
1046 extern void SetTimeControl(void);
1047 extern void SelectLevel(char *sx);
1050 UpdateDisplay(short f,
1057 COMPUTE_AND_INIT_MODE = 1, COMPUTE_MODE
1058 #ifdef INTERRUPT_TEST
1059 , INIT_INTERRUPT_MODE, COMPUTE_INTERRUPT_MODE
1063 extern void SetResponseTime(short side);
1064 extern void CheckForTimeout(int score, int globalscore,
1065 int Jscore, int zwndw);
1066 extern void ShowSidetoMove(void);
1067 extern void ShowResponseTime(void);
1068 extern void ShowPatternCount(short side, short n);
1069 extern void SearchStartStuff(short side);
1070 extern void ShowDepth(char ch);
1071 extern void TerminateSearch(int);
1072 extern void ShowResults(short score, unsigned short *bstline, char ch);
1073 extern void SetupBoard(void);
1074 extern void algbr(short f, short t, short flag);
1075 extern void OutputMove(void);
1076 extern void ShowCurrentMove(short pnt, short f, short t);
1077 extern void ListGame(void);
1078 extern void ShowMessage(char *s);
1079 extern void ClearScreen(void);
1080 extern void DoDebug(void);
1081 extern void DoTable(short table[NO_SQUARES]);
1082 extern void ShowPostnValues(void);
1083 extern void ChangeXwindow(void);
1084 extern void SetContempt(void);
1085 extern void ChangeHashDepth(void);
1086 extern void ChangeBetaWindow(void);
1087 extern void GiveHint(void);
1088 extern void ShowPrompt(void);
1089 extern void EditBoard(void);
1090 extern void help(void);
1091 extern void ChangeSearchDepth(void);
1092 extern void skip(void);
1093 extern void skipb(void);
1094 extern void EnPassant(short xside, short f, short t, short iop);
1095 extern void ShowNodeCnt(long NodeCnt);
1096 extern void ShowLine(unsigned short *bstline);
1097 extern int pick(short p1, short p2);
1098 extern short repetition(void);
1099 extern void TimeCalc(void);
1100 extern void ElapsedTime(ElapsedTime_mode iop);
1103 DropPossible(short piece, short side, short sq); /* genmoves.c */
1106 IsCheckmate(short side, short in_check,
1107 short blockable); /* genmoves.c */
1112 VERIFY_AND_MAKE_MODE, VERIFY_AND_TRY_MODE, UNMAKE_MODE
1115 extern int VerifyMove(char *s, VerifyMove_mode iop, unsigned short *mv);
1116 extern unsigned short TTage;
1118 /* display driver framework */
1122 void (*ChangeAlphaWindow)(void);
1123 void (*ChangeBetaWindow)(void);
1124 void (*ChangeHashDepth)(void);
1125 void (*ChangeSearchDepth)(char *sx);
1126 void (*ChangeXwindow)(void);
1127 void (*ClearScreen)(void);
1128 void (*DoDebug)(void);
1129 void (*DoTable)(short table[NO_SQUARES]);
1130 void (*EditBoard)(void);
1131 void (*ExitShogi)(void);
1132 void (*GiveHint)(void);
1133 void (*Initialize)(void);
1134 void (*ShowNodeCnt)(long NodeCnt);
1135 void (*OutputMove)(void);
1136 void (*PollForInput)(void);
1137 void (*SetContempt)(void);
1138 void (*SearchStartStuff)(short side);
1139 void (*SelectLevel)(char *sx);
1140 void (*ShowCurrentMove)(short pnt, short f, short t);
1141 void (*ShowDepth)(char ch);
1142 void (*ShowGameType)(void);
1143 void (*ShowLine)(unsigned short *bstline);
1144 void (*ShowMessage)(char *s);
1145 void (*AlwaysShowMessage)(const char *format, ...);
1146 void (*Printf)(const char *format, ...);
1147 void (*doRequestInputString)(const char* fmt, char* buffer);
1148 int (*GetString)(char* sx);
1149 void (*SetupBoard)(void);
1150 void (*ShowPatternCount)(short side, short n);
1151 void (*ShowPostnValue)(short sq);
1152 void (*ShowPostnValues)(void);
1153 void (*ShowPrompt)(void);
1154 void (*ShowResponseTime)(void);
1155 void (*ShowResults)(short score, unsigned short *bstline, char ch);
1156 void (*ShowSidetoMove)(void);
1157 void (*ShowStage)(void);
1158 void (*TerminateSearch)(int sig);
1159 void (*UpdateClocks)(void);
1160 void (*UpdateDisplay)(short f, short t, short redraw, short isspec);
1164 extern struct display *dsp;
1166 extern struct display raw_display;
1167 extern struct display curses_display;
1169 #endif /* _GNUSHOGI_H_ */