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) ( xboard ? '1' + n : ('a' + NO_ROWS - 1 - n) )
186 #define COL_NAME(n) ( xboard ? 'a' + n : ('1' + NO_COLS - 1 - n) )
187 #define ROW_NUM(c) ( xboard ? c - '1' : ('a' + NO_ROWS - 1 - c) )
188 #define COL_NUM(c) ( xboard ? c - 'a' : ('1' + NO_COLS - 1 - c) )
191 #if defined HASHFILE || defined CACHE
192 # define PTBLBDSIZE (NO_SQUARES + NO_PIECES)
197 #define SCORE_LIMIT 12000
199 /* masks into upper 16 bits of attacks array */
200 /* observe order of relative piece values */
201 #define CNT_MASK 0x000000FF
202 #define ctlP 0x00200000
203 #define ctlPp 0x00100000
204 #define ctlL 0x00080000
205 #define ctlN 0x00040000
206 #define ctlLp 0x00020000
207 #define ctlNp 0x00010000
208 #define ctlS 0x00008000
209 #define ctlSp 0x00004000
210 #define ctlG 0x00002000
211 #define ctlB 0x00001000
212 #define ctlBp 0x00000800
213 #define ctlR 0x00000400
214 #define ctlRp 0x00000200
215 #define ctlK 0x00000100
217 /* attack functions */
218 #define Pattack(c, u) (attack[c][u] > ctlP)
219 #define Anyattack(c, u) (attack[c][u] != 0)
221 /* hashtable flags */
222 #define truescore 0x0001
223 #define lowerbound 0x0002
224 #define upperbound 0x0004
225 #define kingcastle 0x0008
226 #define queencastle 0x0010
227 #define evalflag 0x0020
230 #define BlackKing PieceList[black][0]
231 #define WhiteKing PieceList[white][0]
232 #define OwnKing PieceList[c1][0]
233 #define EnemyKing PieceList[c2][0]
236 /* board properties */
237 #define InBlackCamp(sq) ((sq) < (NO_COLS * NO_CAMP_ROWS))
238 #define InWhiteCamp(sq) ((sq) >= (NO_COLS * (NO_ROWS - NO_CAMP_ROWS)))
239 #define InPromotionZone(side, sq) \
240 (((side) == black) ? InWhiteCamp(sq) : InBlackCamp(sq))
244 #define OPENING_HINT 0x141d /* P7g-7f (20->29) */
260 /* piece code defines */
268 /* start of pieces that can be dropped at any square */
309 #define pmask 0x000f /* 15 */
310 #define promote 0x0010 /* 16 */
311 #define dropmask 0x0020 /* 32 */
312 #define exact 0x0040 /* 64 */
313 #define tesuji 0x0080 /* 128 */
314 #define check 0x0100 /* 256 */
315 #define capture 0x0200 /* 512 */
316 #define draw 0x0400 /* 1024 */
317 #define stupid 0x0800 /* 2048 */
318 #define questionable 0x1000 /* 4096 */
319 #define kingattack 0x2000 /* 8192 */
320 #define book 0x4000 /* 16384 */
322 /* move quality flags */
323 #define goodmove tesuji
324 #define badmove stupid
326 #define difficult questionable
331 #define pxx (" PLNSGBRPLNSBRK ")
332 #define qxx (" plnsgbrplnsbrk ")
334 #define pxx (" PSGBRPSBRK ")
335 #define qxx (" psgbrpsbrk ")
338 /***************** Table limits ********************************************/
341 * ttblsz must be a power of 2. Setting ttblsz 0 removes the transposition
347 #elif defined SMALL_MEMORY
348 # if defined SAVE_SSCORE
349 # define vttblsz (1 << 12)
351 # if defined EXTRA_2MB
352 # define vttblsz (1 << 12)
354 # define vttblsz (1 << 10)
358 # define vttblsz (100001)
361 #if defined SMALL_MEMORY
362 # define MINTTABLE (0)
364 # define MINTTABLE (8000) /* min ttable size -1 */
367 #define ttblsz vttblsz
369 #if defined SMALL_MEMORY
370 # if !defined SAVE_SSCORE
371 # define TREE 1500 /* max number of tree entries */
373 # define TREE 2500 /* max number of tree entries */
376 # define TREE 4000 /* max number of tree entries */
379 #define MAXDEPTH 40 /* max depth a search can be carried */
380 #define MINDEPTH 2 /* min search depth =1 (no hint), >1 hint */
381 #define MAXMOVES 300 /* max number of half moves in a game */
382 #define CPSIZE 241 /* size of lang file max */
384 #if defined SMALL_MEMORY
385 # if defined SAVE_SSCORE
386 # define ETABLE (1 << 10) /* static eval cache */
388 # if defined EXTRA_2MB
389 # define ETABLE (1 << 10) /* static eval cache */
391 # define ETABLE (1 << 8) /* static eval cache */
395 # define ETABLE (10001) /* static eval cache */
398 /***************** tuning paramaters *******************/
400 #if defined VERY_SLOW_CPU
401 # define MINRESPONSETIME 300
402 #elif defined SLOW_CPU
403 # define MINRESPONSETIME 200
405 # define MINRESPONSETIME 100 /* 1 s */
410 #define CHKDEPTH 1 /* always look forward CHKDEPTH
411 * half-moves if in check */
413 #if defined SLOW_CPU || defined VERY_SLOW_CPU
414 # define DEPTHBEYOND 7 /* Max to go beyond Sdepth */
416 # define DEPTHBEYOND 11 /* Max to go beyond Sdepth */
419 #define HASHDEPTH 4 /* depth above which to use HashFile */
420 #define HASHMOVELIMIT 40 /* Use HashFile only for this many moves */
421 #define PTVALUE 0 /* material value below which pawn threats at
423 #define ZDEPTH 3 /* depth beyond which to check
424 * ZDELTA for extra time */
425 #define ZDELTA 10 /* score delta per ply to cause
426 * extra time to be given */
429 /* about 1/2 second worth of nodes for your machine */
430 #if defined VERY_SLOW_CPU
431 /* check the time every ZNODES positions */
432 # define ZNODES (flag.tsume ? 20 : 50)
433 #elif defined SLOW_CPU
434 # define ZNODES (flag.tsume ? 40 : 100)
436 # define ZNODES (flag.tsume ? 400 : 1000)
439 #define MAXTCCOUNTX 10 /* max number of time clicks
440 * per search to complete ply */
441 #define MAXTCCOUNTR 4 /* max number of time clicks
442 * per search extensions*/
443 #define SCORESPLIM 8 /* Score space doesn't apply after this stage */
444 #define SDEPTHLIM (Sdepth + 1)
445 #define HISTORYLIM 4096 /* Max value of history killer */
448 # if defined SMALL_MEMORY
449 # define HISTORY_MASK 0x8000 /* mask to MSB of history index */
450 # define HISTORY_SIZE 0x10000 /* size of history table */
452 # define HISTORY_MASK (1 << 15) /* mask to MSB of history index */
453 # define HISTORY_SIZE (1 << 16) /* size of history table */
456 /* smaller history table, but dangerous because of collisions */
457 # define HISTORY_MASK 0x3fff /* mask to significant bits
458 * of history index */
459 # if defined SMALL_MEMORY
460 # define HISTORY_SIZE 0x4000 /* size of history table */
462 # define HISTORY_SIZE (1 << 14) /* size of history table */
466 #define sizeof_history (sizeof(unsigned short) * (size_t)HISTORY_SIZE)
469 /* Map from.to (8bit.8bit) to from.to (0.7bit.8bit) */
470 # define khmove(mv) (mv & 0x7fff)
471 # define hmove(mv) ((mv & 0x7fff) ^ 0x5555)
473 /* Map from.to (8bit.8bit) to from.to (00.7bit.7bit) */
474 /* Swap bits of ToSquare in case of promotions, hoping that
475 no catastrophic collision occurs. */
476 # define khmove(mv) (((mv & 0x7f00) >> 1) | \
477 ((mv & 0x0080) ? ((mv & 0x007f) ^ 0x007f) : (mv & 0x007f)))
478 # define hmove(mv) (khmove(mv) ^ 0x2aaa)
481 /* mask color to 15th bit */
483 # define hindex(c, mv) ((c ? HISTORY_MASK : 0) | hmove(mv))
485 /* for white, swap bits, hoping that no catastrophic collision occurs. */
486 # define hindex(c, mv) (c ? ((~hmove(mv)) & HISTORY_MASK) : hmove(mv))
489 #define EWNDW 10 /* Eval window to force position scoring at depth
490 * greater than (Sdepth + 2) */
491 #define WAWNDW 90 /* alpha window when computer black */
492 #define WBWNDW 90 /* beta window when computer black */
493 #define BAWNDW 90 /* alpha window when computer white */
494 #define BBWNDW 90 /* beta window when computer white */
495 #define BXWNDW 90 /* window to force position scoring at lower */
496 #define WXWNDW 90 /* window to force position scoring at lower */
498 #define DITHER 5 /* max amount random can alter a pos value */
499 #define LBONUS 1 /* points per stage value of L increases */
500 #define BBONUS 2 /* points per stage value of B increases */
501 #define RBONUS 2 /* points per stage value of R increases */
503 #define QUESTIONABLE (valueK) /* Penalty for questionable moves. */
509 #define STUPID (valueR << 1) /* Penalty for stupid moves. */
511 #define KINGPOSLIMIT (-1) /* King positional scoring limit */
512 #define KINGSAFETY 32
513 #define MAXrehash (7)
515 /******* parameters for Opening Book ****************/
517 #define BOOKSIZE 8000 /* Number of unique position/move
518 * combinations allowed */
519 #define BOOKMAXPLY 40 /* Max plys to keep in book database */
520 #define BOOKFAIL (BOOKMAXPLY / 2) /* if no book move found for BOOKFAIL
521 * turns stop using book */
522 #define BOOKPOCKET 64
523 #define BOOKRAND 1000 /* used to select an opening move
525 #define BOOKENDPCT 950 /* 5 % chance a BOOKEND will stop the book */
526 #define DONTUSE -32760 /* flag move as don't use */
527 #define ILLEGAL_TRAPPED -32761 /* flag move as illegal:
528 * no move from this square */
529 #define ILLEGAL_DOUBLED -32762 /* flag move as illegal:
530 * two pawns on one column */
531 #define ILLEGAL_MATE -32763 /* flag move as illegal:
532 * pawn drop with mate */
534 /*****************************************************/
538 unsigned long key, bd;
543 unsigned long hashbd;
545 unsigned char depth; /* unsigned char saves some space */
552 unsigned char bd[PTBLBDSIZE];
553 #endif /* HASHTEST */
556 #if defined HASHFILE || defined CACHE
559 unsigned long ehashbd;
561 #if !defined SAVE_SSCORE
562 short sscore[NO_SQUARES];
567 unsigned char bd[PTBLBDSIZE];
568 #endif /* CACHETEST */
572 extern short use_etable;
573 typedef struct etable etable_field[ETABLE];
574 extern etable_field *etab[2];
578 * CHECKME! Is this valid?
580 * persistent transposition table. By default, the size is (1 << vfilesz).
581 * If you change the size, be sure to run gnushogi -c [vfilesz]
582 * before anything else.
587 #if defined SMALL_MEMORY
595 unsigned char bd[PTBLBDSIZE];
596 unsigned char f, t, flags, depth, sh, sl;
599 #endif /* HASHFILE */
605 short score, reply, width;
607 unsigned short flags;
613 unsigned short gmove; /* this move */
614 short score; /* score after this move */
615 short depth; /* search depth this move */
616 long time; /* search time this move */
617 short fpiece; /* moved or dropped piece */
618 short piece; /* piece captured */
619 short color; /* color */
620 short flags; /* move flags capture, promote, castle */
621 short Game50; /* flag for repetition */
622 long nodes; /* nodes searched for this move */
623 unsigned long hashkey, hashbd; /* board key before this move */
627 struct TimeControlRec
636 short mate; /* the game is over */
637 short post; /* show principle variation */
638 short quit; /* quit/exit */
639 short regularstart; /* did the game start from standard
641 short reverse; /* reverse board display */
642 short bothsides; /* computer plays both sides */
643 short hash; /* enable/disable transposition table */
644 short force; /* enter moves */
645 short easy; /* disable thinking on opponents time */
646 short beep; /* enable/disable beep */
647 short timeout; /* time to make a move */
648 short musttimeout; /* time to make a move */
649 short back; /* time to make a move */
650 short rcptr; /* enable/disable recapture heuristics */
651 short rv; /* reverse video */
652 short stars; /* add stars to uxdsp screen */
653 short coords; /* add coords to visual screen */
655 short material; /* draw on lack of material */
656 short illegal; /* illegal position */
657 short onemove; /* timing is onemove */
658 short gamein; /* timing is gamein */
659 short tsume; /* first consider checks */
662 extern FILE *debugfile;
665 #define EVALFILE "/tmp/EVAL"
668 extern FILE *debug_eval_file;
669 extern short debug_moves;
673 extern short use_history;
674 extern unsigned short *history;
679 extern char ColorStr[2][10];
681 extern char mvstr[4][6];
682 extern int mycnt1, mycnt2;
684 extern struct leaf rootnode;
685 extern struct leaf *Tree;
686 extern struct leaf *root;
687 extern char savefile[], listfile[];
688 extern short TrPnt[];
689 extern small_short board[], color[];
690 extern const small_short sweep[NO_PIECES];
691 extern small_short PieceList[2][NO_SQUARES], PawnCnt[2][NO_COLS];
692 extern small_short Captured[2][NO_PIECES];
695 # define ClearCaptured() \
697 short piece, color; \
698 for (color = black; color <= white; color++) \
699 for (piece = 0; piece < NO_PIECES; piece++) \
700 Captured[color][piece] = 0; \
703 # define ClearCaptured() \
704 memset((char *)Captured, 0, (unsigned long)sizeof(Captured))
705 #endif /* HAVE_MEMSET */
707 extern small_short Mvboard[];
709 #if !defined SAVE_SVALUE
710 extern short svalue[NO_SQUARES];
713 extern short pscore[2]; /* eval.c */
714 extern int EADD; /* eval.c */
715 extern int EGET; /* eval.c */
716 extern struct flags flag;
717 extern short opponent, computer, INCscore;
718 extern short WAwindow, BAwindow, WBwindow, BBwindow;
719 extern short dither, player;
720 extern short xwndw, contempt;
721 extern long ResponseTime, ExtraTime, TCleft,
722 MaxResponseTime, et, et0, time0, ft;
725 #ifdef INTERRUPT_TEST
726 extern long itime0, it;
729 extern long reminus, replus;
730 extern long GenCnt, NodeCnt, ETnodes, EvalNodes, HashAdd, HashCnt,
731 HashCol, THashCol, FHashCnt, FHashAdd;
732 extern short HashDepth, HashMoveLimit;
733 extern struct GameRec *GameList;
734 extern short GameCnt, Game50;
735 extern short Sdepth, MaxSearchDepth;
737 extern struct TimeControlRec TimeControl;
739 extern short TCflag, TCmoves, TCminutes, TCseconds, OperatorTime;
740 extern int timecomp[MINGAMEIN], timeopp[MINGAMEIN];
741 extern int compptr, oppptr;
742 extern short XCmore, XCmoves[], XCminutes[], XCseconds[], XC;
743 extern const short otherside[];
744 extern const small_short Stboard[];
745 extern const small_short Stcolor[];
746 extern unsigned short hint;
748 extern short stage, stage2;
750 #define in_opening_stage (!flag.tsume && (stage < 33))
751 #define in_middlegame_stage (!flag.tsume && (stage >= 33) && (stage <= 66))
752 #define in_endgame_stage (flag.tsume || (stage > 66))
754 extern short ahead, hash;
755 extern short balance[2];
756 extern small_short ChkFlag[], CptrFlag[], TesujiFlag[];
757 extern short Pscore[], Tscore[];
758 extern /*unsigned*/ short rehash; /* -1 is used as a flag --tpm */
759 extern unsigned int ttbllimit;
760 extern unsigned int TTadd;
761 extern unsigned int ttblsize;
762 extern short mtl[], hung[];
763 extern small_short Pindex[];
764 extern small_short PieceCnt[];
765 extern short FROMsquare, TOsquare;
766 extern small_short HasPiece[2][NO_PIECES];
767 extern const short kingP[];
768 extern unsigned short killr0[], killr1[];
769 extern unsigned short killr2[], killr3[];
770 extern unsigned short PrVar[MAXDEPTH];
771 extern unsigned short PV, SwagHt, Swag0, Swag1, Swag2, Swag3, Swag4, sidebit;
772 extern short mtl[2], pmtl[2], hung[2];
773 extern const small_short relative_value[];
774 extern const long control[];
775 extern small_short diagonal(short delta);
776 extern const small_short promoted[NO_PIECES], unpromoted[NO_PIECES];
777 extern const small_short is_promoted[NO_PIECES];
779 typedef unsigned char next_array[NO_SQUARES][NO_SQUARES];
780 typedef small_short distdata_array[NO_SQUARES][NO_SQUARES];
782 extern const small_short inunmap[NO_SQUARES];
784 extern const small_short nunmap[(NO_COLS + 2)*(NO_ROWS + 4)];
786 extern const small_short nunmap[(NO_COLS + 2)*(NO_ROWS + 2)];
789 #if defined SAVE_NEXTPOS
790 extern const small_short direc[NO_PTYPE_PIECES][8];
791 extern short first_direction(short ptyp, short *d, short sq);
792 extern short next_direction(short ptyp, short *d, short sq);
793 extern short next_position(short ptyp, short *d, short sq, short u);
795 extern short use_nextpos;
796 extern next_array *nextpos[NO_PTYPE_PIECES];
797 extern next_array *nextdir[NO_PTYPE_PIECES];
800 extern value_array *value;
801 extern fscore_array *fscore;
803 #ifndef SAVE_DISTDATA
804 extern short use_distdata;
805 extern distdata_array *distdata;
808 #ifndef SAVE_PTYPE_DISTDATA
809 extern short use_ptype_distdata;
810 extern distdata_array *ptype_distdata[NO_PTYPE_PIECES];
813 extern const small_short ptype[2][NO_PIECES];
815 extern long filesz, hashmask, hashbase;
816 extern FILE *hashfile;
817 extern unsigned int starttime;
820 typedef small_short Mpiece_array[2][NO_SQUARES];
821 extern Mpiece_array *Mpiece[NO_PIECES];
822 extern short ADVNCM[NO_PIECES];
824 #define computed_distance(a, b) \
825 ((abs(column(a) - column(b)) > abs(row(a) - row(b))) \
826 ? abs(column(a) - column(b)) : abs(row(a) - row(b)))
828 extern short distance(short a, short b);
829 extern short ptype_distance(short ptyp, short f, short t);
830 extern short piece_distance(short side, short piece, short f, short t);
837 #define STATIC_ROOK 'S'
838 #define RANGING_ROOK 'R'
840 extern char GameType[2];
841 void ShowGameType(void);
843 extern unsigned short bookmaxply;
844 extern unsigned int bookcount;
845 extern unsigned int booksize;
846 extern unsigned long hashkey, hashbd;
848 typedef struct hashval hashcode_array[2][NO_PIECES][NO_SQUARES];
849 typedef struct hashval drop_hashcode_array[2][NO_PIECES][NO_SQUARES];
851 extern hashcode_array *hashcode;
852 extern drop_hashcode_array *drop_hashcode;
854 #ifdef QUIETBACKGROUND
855 extern short background;
856 #endif /* QUIETBACKGROUND */
859 extern short use_ttable;
860 extern struct hashentry *ttable[2];
864 * hashbd contains a 32 bit "signature" of the board position. hashkey
865 * contains a 16 bit code used to address the hash table. When a move is
866 * made, XOR'ing the hashcode of moved piece on the from and to squares with
867 * the hashbd and hashkey values keeps things current.
870 #define UpdateHashbd(side, piece, f, t) \
874 hashbd ^= (*hashcode)[side][piece][f].bd; \
875 hashkey ^= (*hashcode)[side][piece][f].key; \
880 hashbd ^= (*hashcode)[side][piece][t].bd; \
881 hashkey ^= (*hashcode)[side][piece][t].key; \
885 #define UpdateDropHashbd(side, piece, count) \
887 hashbd ^= (*drop_hashcode)[side][piece][count].bd; \
888 hashkey ^= (*drop_hashcode)[side][piece][count].key; \
892 extern short rpthash[2][256];
895 extern char* DRAW_REPETITION;
896 extern char *DRAW_MAXMOVES;
897 extern char *DRAW_JUSTDRAW;
899 #define row(a) ((a) / NO_COLS)
900 #define column(a) ((a) % NO_COLS)
901 #define locn(a, b) (((a) * NO_COLS) + b)
903 /* init external functions */
904 extern void InitConst(char *lang); /* init.c */
905 extern int Initialize_data(void); /* init.c */
906 extern void Free_data(void); /* init.c */
907 extern int Lock_data(void); /* init.c */
908 extern void Unlock_data(void); /* init.c */
909 extern void Initialize_dist(void); /* init.c */
910 extern void Initialize_eval(void); /* eval.c */
911 extern void NewGame(void);
912 extern void GetOpenings(void);
913 extern int OpeningBook(unsigned short *hint);
917 REMOVE_PIECE = 1, ADD_PIECE
918 } UpdatePieceList_mode;
921 UpdatePieceList(short side, short sq, UpdatePieceList_mode iop);
925 FOREGROUND_MODE = 1, BACKGROUND_MODE
929 SelectMove(short side, SelectMove_mode iop);
937 unsigned short *bstline,
941 void PutInEETable(short side, int score);
942 int CheckEETable(short side);
943 int ProbeEETable(short side, short *score);
948 ProbeTTable(short side,
956 PutInTTable(short side,
963 extern void ZeroTTable(void);
964 extern void ZeroRPT(void);
965 extern void Initialize_ttable(void);
966 extern unsigned int urand(void);
969 extern void gsrand(unsigned int);
972 ProbeFTable(short side,
980 PutInFTable(short side,
989 # endif /* HASHFILE */
992 #if !defined SAVE_NEXTPOS
993 extern void Initialize_moves(void);
996 extern short generate_move_flags;
998 extern void MoveList(short side, short ply,
999 short in_check, short blockable);
1000 extern void CaptureList(short side, short ply,
1001 short in_check, short blockable);
1003 /* from attacks.c */
1005 SqAttacked(short square, short side, short *blockable);
1008 MakeMove(short side,
1017 UnmakeMove(short side,
1025 InitializeStats(void);
1028 evaluate(short side,
1036 extern short ScorePosition(short side);
1037 extern void ExaminePosition(short side);
1038 extern short ScorePatternDistance(short side);
1039 extern void DetermineStage(short side);
1040 extern void UpdateWeights(short side);
1041 extern int InitMain(void);
1042 extern void ExitMain(void);
1043 extern void Initialize(void);
1044 extern void InputCommand(char *command);
1045 extern void ExitShogi(void);
1046 extern void ClearScreen(void);
1047 extern void SetTimeControl(void);
1048 extern void SelectLevel(char *sx);
1051 UpdateDisplay(short f,
1058 COMPUTE_AND_INIT_MODE = 1, COMPUTE_MODE
1059 #ifdef INTERRUPT_TEST
1060 , INIT_INTERRUPT_MODE, COMPUTE_INTERRUPT_MODE
1064 extern void SetResponseTime(short side);
1065 extern void CheckForTimeout(int score, int globalscore,
1066 int Jscore, int zwndw);
1067 extern void ShowSidetoMove(void);
1068 extern void ShowResponseTime(void);
1069 extern void ShowPatternCount(short side, short n);
1070 extern void SearchStartStuff(short side);
1071 extern void ShowDepth(char ch);
1072 extern void TerminateSearch(int);
1073 extern void ShowResults(short score, unsigned short *bstline, char ch);
1074 extern void SetupBoard(void);
1075 extern void algbr(short f, short t, short flag);
1076 extern void OutputMove(void);
1077 extern void ShowCurrentMove(short pnt, short f, short t);
1078 extern void ListGame(void);
1079 extern void ShowMessage(char *s);
1080 extern void ClearScreen(void);
1081 extern void DoDebug(void);
1082 extern void DoTable(short table[NO_SQUARES]);
1083 extern void ShowPostnValues(void);
1084 extern void ChangeXwindow(void);
1085 extern void SetContempt(void);
1086 extern void ChangeHashDepth(void);
1087 extern void ChangeBetaWindow(void);
1088 extern void GiveHint(void);
1089 extern void ShowPrompt(void);
1090 extern void EditBoard(void);
1091 extern void help(void);
1092 extern void ChangeSearchDepth(void);
1093 extern void skip(void);
1094 extern void skipb(void);
1095 extern void EnPassant(short xside, short f, short t, short iop);
1096 extern void ShowNodeCnt(long NodeCnt);
1097 extern void ShowLine(unsigned short *bstline);
1098 extern int pick(short p1, short p2);
1099 extern short repetition(void);
1100 extern void TimeCalc(void);
1101 extern void ElapsedTime(ElapsedTime_mode iop);
1104 DropPossible(short piece, short side, short sq); /* genmoves.c */
1107 IsCheckmate(short side, short in_check,
1108 short blockable); /* genmoves.c */
1113 VERIFY_AND_MAKE_MODE, VERIFY_AND_TRY_MODE, UNMAKE_MODE
1116 extern int VerifyMove(char *s, VerifyMove_mode iop, unsigned short *mv);
1117 extern unsigned short TTage;
1119 /* display driver framework */
1123 void (*ChangeAlphaWindow)(void);
1124 void (*ChangeBetaWindow)(void);
1125 void (*ChangeHashDepth)(void);
1126 void (*ChangeSearchDepth)(char *sx);
1127 void (*ChangeXwindow)(void);
1128 void (*ClearScreen)(void);
1129 void (*DoDebug)(void);
1130 void (*DoTable)(short table[NO_SQUARES]);
1131 void (*EditBoard)(void);
1132 void (*ExitShogi)(void);
1133 void (*GiveHint)(void);
1134 void (*Initialize)(void);
1135 void (*ShowNodeCnt)(long NodeCnt);
1136 void (*OutputMove)(void);
1137 void (*PollForInput)(void);
1138 void (*SetContempt)(void);
1139 void (*SearchStartStuff)(short side);
1140 void (*SelectLevel)(char *sx);
1141 void (*ShowCurrentMove)(short pnt, short f, short t);
1142 void (*ShowDepth)(char ch);
1143 void (*ShowGameType)(void);
1144 void (*ShowLine)(unsigned short *bstline);
1145 void (*ShowMessage)(char *s);
1146 void (*AlwaysShowMessage)(const char *format, ...);
1147 void (*Printf)(const char *format, ...);
1148 void (*doRequestInputString)(const char* fmt, char* buffer);
1149 int (*GetString)(char* sx);
1150 void (*SetupBoard)(void);
1151 void (*ShowPatternCount)(short side, short n);
1152 void (*ShowPostnValue)(short sq);
1153 void (*ShowPostnValues)(void);
1154 void (*ShowPrompt)(void);
1155 void (*ShowResponseTime)(void);
1156 void (*ShowResults)(short score, unsigned short *bstline, char ch);
1157 void (*ShowSidetoMove)(void);
1158 void (*ShowStage)(void);
1159 void (*TerminateSearch)(int sig);
1160 void (*UpdateClocks)(void);
1161 void (*UpdateDisplay)(short f, short t, short redraw, short isspec);
1165 extern struct display *dsp;
1167 extern struct display raw_display;
1168 extern struct display curses_display;
1170 #endif /* _GNUSHOGI_H_ */