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)
62 #define NOT_CURSES ((display_type == DISPLAY_X) \
63 || (display_type == DISPLAY_RAW))
66 /* Miscellaneous globals. */
68 extern short hard_time_limit; /* If you exceed time limit, you lose. */
69 extern short barebones; /* Don't print of stats for x interface. */
70 extern short nolist; /* Don't list game after exit. */
74 * Options for various compilers/OSs.
78 * type small_short must cover -128 .. 127. In case of trouble,
79 * try commenting out "signed". If this doesn't help, use short.
82 #define small_short signed char
83 #define small_ushort unsigned char
86 typedef small_ushort UBYTE;
88 typedef unsigned short USHORT;
90 typedef unsigned int UINT;
92 typedef unsigned long ULONG;
95 #if !defined(HAVE_MEMCPY) && !defined(HAVE_BCOPY)
96 # define array_copy(src, dst, len) \
99 char *psrc = (char *)src, *pdst = (char *)dst; \
100 for (i = len; i; pdst[--i] = psrc[i]); \
102 # define array_zero(dst, len) \
105 char *pdst = (char *)dst; \
106 for (i = len; i; pdst[--i] = 0); \
108 #elif !defined(HAVE_MEMCPY) /* BSD and derivatives */
109 # define array_copy(src, dst, len) bcopy(src, dst, len)
110 # define array_zero(dst, len) bzero(dst, len)
111 #else /* System V and derivatives */
112 # define array_copy(src, dst, len) memcpy(dst, src, len)
113 # define array_zero(dst, len) memset(dst, 0, len)
123 * Standard header files.
132 #include <sys/param.h>
133 #include <sys/types.h>
135 # include <windows.h>
137 typedef small_short BYTE;
138 # include <sys/times.h>
139 # include <sys/ioctl.h>
142 #if TIME_WITH_SYS_TIME
143 # include <sys/time.h>
147 # include <sys/time.h>
156 extern char *binbookfile;
159 extern char *bookfile;
163 extern void movealgbr(short m, char *s);
171 #define MAX_CAPTURED 19
172 #define NO_PTYPE_PIECES 11
177 #define MAX_CAPTURED 19
178 #define NO_PTYPE_PIECES 15
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)
187 #if defined HASHFILE || defined CACHE
188 # define PTBLBDSIZE (NO_SQUARES + NO_PIECES)
193 #define SCORE_LIMIT 12000
195 /* masks into upper 16 bits of attacks array */
196 /* observe order of relative piece values */
197 #define CNT_MASK 0x000000FF
198 #define ctlP 0x00200000
199 #define ctlPp 0x00100000
200 #define ctlL 0x00080000
201 #define ctlN 0x00040000
202 #define ctlLp 0x00020000
203 #define ctlNp 0x00010000
204 #define ctlS 0x00008000
205 #define ctlSp 0x00004000
206 #define ctlG 0x00002000
207 #define ctlB 0x00001000
208 #define ctlBp 0x00000800
209 #define ctlR 0x00000400
210 #define ctlRp 0x00000200
211 #define ctlK 0x00000100
213 /* attack functions */
214 #define Pattack(c, u) (attack[c][u] > ctlP)
215 #define Anyattack(c, u) (attack[c][u] != 0)
217 /* hashtable flags */
218 #define truescore 0x0001
219 #define lowerbound 0x0002
220 #define upperbound 0x0004
221 #define kingcastle 0x0008
222 #define queencastle 0x0010
223 #define evalflag 0x0020
226 #define BlackKing PieceList[black][0]
227 #define WhiteKing PieceList[white][0]
228 #define OwnKing PieceList[c1][0]
229 #define EnemyKing PieceList[c2][0]
232 /* board properties */
234 #define InBlackCamp(sq) ((sq) < 27)
235 #define InWhiteCamp(sq) ((sq) > 53)
237 #define InBlackCamp(sq) ((sq) < 5)
238 #define InWhiteCamp(sq) ((sq) > 19)
240 #define InPromotionZone(side, sq) \
241 (((side) == black) ? InWhiteCamp(sq) : InBlackCamp(sq))
245 #define OPENING_HINT 0x141d /* P7g-7f (20->29) */
261 /* piece code defines */
269 /* start of pieces that can be dropped at any square */
310 #define pmask 0x000f /* 15 */
311 #define promote 0x0010 /* 16 */
312 #define dropmask 0x0020 /* 32 */
313 #define exact 0x0040 /* 64 */
314 #define tesuji 0x0080 /* 128 */
315 #define check 0x0100 /* 256 */
316 #define capture 0x0200 /* 512 */
317 #define draw 0x0400 /* 1024 */
318 #define stupid 0x0800 /* 2048 */
319 #define questionable 0x1000 /* 4096 */
320 #define kingattack 0x2000 /* 8192 */
321 #define book 0x4000 /* 16384 */
323 /* move quality flags */
324 #define goodmove tesuji
325 #define badmove stupid
327 #define difficult questionable
332 #define pxx (" PLNSGBRPLNSBRK ")
333 #define qxx (" plnsgbrplnsbrk ")
334 #define rxx ("ihgfedcba")
335 #define cxx ("987654321")
337 #define pxx (" PSGBRPSBRK ")
338 #define qxx (" psgbrpsbrk ")
339 #define rxx ("edcba")
340 #define cxx ("54321")
343 /***************** Table limits ********************************************/
346 * ttblsz must be a power of 2. Setting ttblsz 0 removes the transposition
352 #elif defined SMALL_MEMORY
353 # if defined SAVE_SSCORE
354 # define vttblsz (1 << 12)
356 # if defined EXTRA_2MB
357 # define vttblsz (1 << 12)
359 # define vttblsz (1 << 10)
363 # define vttblsz (100001)
366 #if defined SMALL_MEMORY
367 # define MINTTABLE (0)
369 # define MINTTABLE (8000) /* min ttable size -1 */
372 #define ttblsz vttblsz
374 #if defined SMALL_MEMORY
375 # if !defined SAVE_SSCORE
376 # define TREE 1500 /* max number of tree entries */
378 # define TREE 2500 /* max number of tree entries */
381 # define TREE 4000 /* max number of tree entries */
384 #define MAXDEPTH 40 /* max depth a search can be carried */
385 #define MINDEPTH 2 /* min search depth =1 (no hint), >1 hint */
386 #define MAXMOVES 300 /* max number of half moves in a game */
387 #define CPSIZE 241 /* size of lang file max */
389 #if defined SMALL_MEMORY
390 # if defined SAVE_SSCORE
391 # define ETABLE (1 << 10) /* static eval cache */
393 # if defined EXTRA_2MB
394 # define ETABLE (1 << 10) /* static eval cache */
396 # define ETABLE (1 << 8) /* static eval cache */
400 # define ETABLE (10001) /* static eval cache */
403 /***************** tuning paramaters *******************/
405 #if defined VERY_SLOW_CPU
406 # define MINRESPONSETIME 300
407 #elif defined SLOW_CPU
408 # define MINRESPONSETIME 200
410 # define MINRESPONSETIME 100 /* 1 s */
415 #define CHKDEPTH 1 /* always look forward CHKDEPTH
416 * half-moves if in check */
418 #if defined SLOW_CPU || defined VERY_SLOW_CPU
419 # define DEPTHBEYOND 7 /* Max to go beyond Sdepth */
421 # define DEPTHBEYOND 11 /* Max to go beyond Sdepth */
424 #define HASHDEPTH 4 /* depth above which to use HashFile */
425 #define HASHMOVELIMIT 40 /* Use HashFile only for this many moves */
426 #define PTVALUE 0 /* material value below which pawn threats at
428 #define ZDEPTH 3 /* depth beyond which to check
429 * ZDELTA for extra time */
430 #define ZDELTA 10 /* score delta per ply to cause
431 * extra time to be given */
434 /* about 1/2 second worth of nodes for your machine */
435 #if defined VERY_SLOW_CPU
436 /* check the time every ZNODES positions */
437 # define ZNODES (flag.tsume ? 20 : 50)
438 #elif defined SLOW_CPU
439 # define ZNODES (flag.tsume ? 40 : 100)
441 # define ZNODES (flag.tsume ? 400 : 1000)
444 #define MAXTCCOUNTX 10 /* max number of time clicks
445 * per search to complete ply */
446 #define MAXTCCOUNTR 4 /* max number of time clicks
447 * per search extensions*/
448 #define SCORESPLIM 8 /* Score space doesn't apply after this stage */
449 #define SDEPTHLIM (Sdepth + 1)
450 #define HISTORYLIM 4096 /* Max value of history killer */
453 # if defined SMALL_MEMORY
454 # define HISTORY_MASK 0x8000 /* mask to MSB of history index */
455 # define HISTORY_SIZE 0x10000 /* size of history table */
457 # define HISTORY_MASK (1 << 15) /* mask to MSB of history index */
458 # define HISTORY_SIZE (1 << 16) /* size of history table */
461 /* smaller history table, but dangerous because of collisions */
462 # define HISTORY_MASK 0x3fff /* mask to significant bits
463 * of history index */
464 # if defined SMALL_MEMORY
465 # define HISTORY_SIZE 0x4000 /* size of history table */
467 # define HISTORY_SIZE (1 << 14) /* size of history table */
471 #define sizeof_history (sizeof(unsigned short) * (size_t)HISTORY_SIZE)
474 /* Map from.to (8bit.8bit) to from.to (0.7bit.8bit) */
475 # define khmove(mv) (mv & 0x7fff)
476 # define hmove(mv) ((mv & 0x7fff) ^ 0x5555)
478 /* Map from.to (8bit.8bit) to from.to (00.7bit.7bit) */
479 /* Swap bits of ToSquare in case of promotions, hoping that
480 no catastrophic collision occurs. */
481 # define khmove(mv) (((mv & 0x7f00) >> 1) | \
482 ((mv & 0x0080) ? ((mv & 0x007f) ^ 0x007f) : (mv & 0x007f)))
483 # define hmove(mv) (khmove(mv) ^ 0x2aaa)
486 /* mask color to 15th bit */
488 # define hindex(c, mv) ((c ? HISTORY_MASK : 0) | hmove(mv))
490 /* for white, swap bits, hoping that no catastrophic collision occurs. */
491 # define hindex(c, mv) (c ? ((~hmove(mv)) & HISTORY_MASK) : hmove(mv))
494 #define EWNDW 10 /* Eval window to force position scoring at depth
495 * greater than (Sdepth + 2) */
496 #define WAWNDW 90 /* alpha window when computer black */
497 #define WBWNDW 90 /* beta window when computer black */
498 #define BAWNDW 90 /* alpha window when computer white */
499 #define BBWNDW 90 /* beta window when computer white */
500 #define BXWNDW 90 /* window to force position scoring at lower */
501 #define WXWNDW 90 /* window to force position scoring at lower */
503 #define DITHER 5 /* max amount random can alter a pos value */
504 #define LBONUS 1 /* points per stage value of L increases */
505 #define BBONUS 2 /* points per stage value of B increases */
506 #define RBONUS 2 /* points per stage value of R increases */
508 #define QUESTIONABLE (valueK) /* Penalty for questionable moves. */
514 #define STUPID (valueR << 1) /* Penalty for stupid moves. */
516 #define KINGPOSLIMIT (-1) /* King positional scoring limit */
517 #define KINGSAFETY 32
518 #define MAXrehash (7)
520 /******* parameters for Opening Book ****************/
522 #define BOOKSIZE 8000 /* Number of unique position/move
523 * combinations allowed */
524 #define BOOKMAXPLY 40 /* Max plys to keep in book database */
525 #define BOOKFAIL (BOOKMAXPLY / 2) /* if no book move found for BOOKFAIL
526 * turns stop using book */
527 #define BOOKPOCKET 64
528 #define BOOKRAND 1000 /* used to select an opening move
530 #define BOOKENDPCT 950 /* 5 % chance a BOOKEND will stop the book */
531 #define DONTUSE -32760 /* flag move as don't use */
532 #define ILLEGAL_TRAPPED -32761 /* flag move as illegal:
533 * no move from this square */
534 #define ILLEGAL_DOUBLED -32762 /* flag move as illegal:
535 * two pawns on one column */
536 #define ILLEGAL_MATE -32763 /* flag move as illegal:
537 * pawn drop with mate */
539 /*****************************************************/
543 unsigned long key, bd;
548 unsigned long hashbd;
550 unsigned char depth; /* unsigned char saves some space */
557 unsigned char bd[PTBLBDSIZE];
558 #endif /* HASHTEST */
561 #if defined HASHFILE || defined CACHE
564 unsigned long ehashbd;
566 #if !defined SAVE_SSCORE
567 short sscore[NO_SQUARES];
572 unsigned char bd[PTBLBDSIZE];
573 #endif /* CACHETEST */
577 extern short use_etable;
578 typedef struct etable etable_field[ETABLE];
579 extern etable_field *etab[2];
583 * CHECKME! Is this valid?
585 * persistent transposition table. By default, the size is (1 << vfilesz).
586 * If you change the size, be sure to run gnushogi -c [vfilesz]
587 * before anything else.
592 #if defined SMALL_MEMORY
600 unsigned char bd[PTBLBDSIZE];
601 unsigned char f, t, flags, depth, sh, sl;
604 #endif /* HASHFILE */
610 short score, reply, width;
612 unsigned short flags;
618 unsigned short gmove; /* this move */
619 short score; /* score after this move */
620 short depth; /* search depth this move */
621 long time; /* search time this move */
622 short fpiece; /* moved or dropped piece */
623 short piece; /* piece captured */
624 short color; /* color */
625 short flags; /* move flags capture, promote, castle */
626 short Game50; /* flag for repetition */
627 long nodes; /* nodes searched for this move */
628 unsigned long hashkey, hashbd; /* board key before this move */
632 struct TimeControlRec
641 short mate; /* the game is over */
642 short post; /* show principle variation */
643 short quit; /* quit/exit */
644 short regularstart; /* did the game start from standard
646 short reverse; /* reverse board display */
647 short bothsides; /* computer plays both sides */
648 short hash; /* enable/disable transposition table */
649 short force; /* enter moves */
650 short easy; /* disable thinking on opponents time */
651 short beep; /* enable/disable beep */
652 short timeout; /* time to make a move */
653 short musttimeout; /* time to make a move */
654 short back; /* time to make a move */
655 short rcptr; /* enable/disable recapture heuristics */
656 short rv; /* reverse video */
657 short stars; /* add stars to uxdsp screen */
658 short coords; /* add coords to visual screen */
660 short material; /* draw on lack of material */
661 short illegal; /* illegal position */
662 short onemove; /* timing is onemove */
663 short gamein; /* timing is gamein */
664 short tsume; /* first consider checks */
667 extern FILE *debugfile;
670 #define EVALFILE "/tmp/EVAL"
673 extern FILE *debug_eval_file;
674 extern short debug_moves;
678 extern short use_history;
679 extern unsigned short *history;
684 extern char ColorStr[2][10];
686 extern char mvstr[4][6];
687 extern unsigned short MV[MAXDEPTH];
689 extern int mycnt1, mycnt2;
691 extern struct leaf rootnode;
692 extern struct leaf *Tree;
693 extern struct leaf *root;
694 extern char savefile[], listfile[];
695 extern short TrPnt[];
696 extern small_short board[], color[];
697 extern const small_short sweep[NO_PIECES];
698 extern small_short PieceList[2][NO_SQUARES], PawnCnt[2][NO_COLS];
699 extern small_short Captured[2][NO_PIECES];
702 # define ClearCaptured() \
704 short piece, color; \
705 for (color = black; color <= white; color++) \
706 for (piece = 0; piece < NO_PIECES; piece++) \
707 Captured[color][piece] = 0; \
710 # define ClearCaptured() \
711 memset((char *)Captured, 0, (unsigned long)sizeof(Captured))
712 #endif /* HAVE_MEMSET */
714 extern small_short Mvboard[];
716 #if !defined SAVE_SVALUE
717 extern short svalue[NO_SQUARES];
720 extern short pscore[2]; /* eval.c */
721 extern int EADD; /* eval.c */
722 extern int EGET; /* eval.c */
723 extern struct flags flag;
724 extern short opponent, computer, INCscore;
725 extern short WAwindow, BAwindow, WBwindow, BBwindow;
726 extern short dither, player;
727 extern short xwndw, contempt;
728 extern long ResponseTime, ExtraTime, TCleft,
729 MaxResponseTime, et, et0, time0, ft;
732 #ifdef INTERRUPT_TEST
733 extern long itime0, it;
736 extern long reminus, replus;
737 extern long GenCnt, NodeCnt, ETnodes, EvalNodes, HashAdd, HashCnt,
738 HashCol, THashCol, FHashCnt, FHashAdd;
739 extern short HashDepth, HashMoveLimit;
740 extern struct GameRec *GameList;
741 extern short GameCnt, Game50;
742 extern short Sdepth, MaxSearchDepth;
744 extern struct TimeControlRec TimeControl;
746 extern short TCflag, TCmoves, TCminutes, TCseconds, OperatorTime;
747 extern int timecomp[MINGAMEIN], timeopp[MINGAMEIN];
748 extern int compptr, oppptr;
749 extern short XCmore, XCmoves[], XCminutes[], XCseconds[], XC;
750 extern const short otherside[];
751 extern const small_short Stboard[];
752 extern const small_short Stcolor[];
753 extern unsigned short hint;
755 extern short stage, stage2;
757 #define in_opening_stage (!flag.tsume && (stage < 33))
758 #define in_middlegame_stage (!flag.tsume && (stage >= 33) && (stage <= 66))
759 #define in_endgame_stage (flag.tsume || (stage > 66))
761 extern short ahead, hash;
762 extern short balance[2];
763 extern small_short ChkFlag[], CptrFlag[], TesujiFlag[];
764 extern short Pscore[], Tscore[];
765 extern /*unsigned*/ short rehash; /* -1 is used as a flag --tpm */
766 extern unsigned int ttbllimit;
767 extern unsigned int TTadd;
768 extern unsigned int ttblsize;
769 extern short mtl[], hung[];
770 extern small_short Pindex[];
771 extern small_short PieceCnt[];
772 extern short FROMsquare, TOsquare;
773 extern small_short HasPiece[2][NO_PIECES];
774 extern const short kingP[];
775 extern unsigned short killr0[], killr1[];
776 extern unsigned short killr2[], killr3[];
777 extern unsigned short PrVar[MAXDEPTH];
778 extern unsigned short PV, SwagHt, Swag0, Swag1, Swag2, Swag3, Swag4, sidebit;
779 extern short mtl[2], pmtl[2], hung[2];
780 extern const small_short relative_value[];
781 extern const long control[];
782 extern small_short diagonal(short delta);
783 extern const small_short promoted[NO_PIECES], unpromoted[NO_PIECES];
784 extern const small_short is_promoted[NO_PIECES];
786 typedef unsigned char next_array[NO_SQUARES][NO_SQUARES];
787 typedef small_short distdata_array[NO_SQUARES][NO_SQUARES];
789 extern const small_short inunmap[NO_SQUARES];
791 extern const small_short nunmap[(NO_COLS + 2)*(NO_ROWS + 4)];
793 extern const small_short nunmap[(NO_COLS + 2)*(NO_ROWS + 2)];
796 #if defined SAVE_NEXTPOS
797 extern const small_short direc[NO_PTYPE_PIECES][8];
798 extern short first_direction(short ptyp, short *d, short sq);
799 extern short next_direction(short ptyp, short *d, short sq);
800 extern short next_position(short ptyp, short *d, short sq, short u);
802 extern short use_nextpos;
803 extern next_array *nextpos[NO_PTYPE_PIECES];
804 extern next_array *nextdir[NO_PTYPE_PIECES];
807 extern value_array *value;
808 extern fscore_array *fscore;
810 #ifndef SAVE_DISTDATA
811 extern short use_distdata;
812 extern distdata_array *distdata;
815 #ifndef SAVE_PTYPE_DISTDATA
816 extern short use_ptype_distdata;
817 extern distdata_array *ptype_distdata[NO_PTYPE_PIECES];
820 extern const small_short ptype[2][NO_PIECES];
822 extern long filesz, hashmask, hashbase;
823 extern FILE *hashfile;
824 extern unsigned int starttime;
827 typedef small_short Mpiece_array[2][NO_SQUARES];
828 extern Mpiece_array *Mpiece[NO_PIECES];
829 extern short ADVNCM[NO_PIECES];
831 #define computed_distance(a, b) \
832 ((abs(column(a) - column(b)) > abs(row(a) - row(b))) \
833 ? abs(column(a) - column(b)) : abs(row(a) - row(b)))
835 extern short distance(short a, short b);
836 extern short ptype_distance(short ptyp, short f, short t);
837 extern short piece_distance(short side, short piece, short f, short t);
844 #define STATIC_ROOK 'S'
845 #define RANGING_ROOK 'R'
847 extern char GameType[2];
848 void ShowGameType(void);
850 extern unsigned short bookmaxply;
851 extern unsigned int bookcount;
852 extern unsigned int booksize;
853 extern unsigned long hashkey, hashbd;
855 typedef struct hashval hashcode_array[2][NO_PIECES][NO_SQUARES];
856 typedef struct hashval drop_hashcode_array[2][NO_PIECES][NO_SQUARES];
858 extern hashcode_array *hashcode;
859 extern drop_hashcode_array *drop_hashcode;
861 #ifdef QUIETBACKGROUND
862 extern short background;
863 #endif /* QUIETBACKGROUND */
866 extern short use_ttable;
867 extern struct hashentry *ttable[2];
871 * hashbd contains a 32 bit "signature" of the board position. hashkey
872 * contains a 16 bit code used to address the hash table. When a move is
873 * made, XOR'ing the hashcode of moved piece on the from and to squares with
874 * the hashbd and hashkey values keeps things current.
877 #define UpdateHashbd(side, piece, f, t) \
881 hashbd ^= (*hashcode)[side][piece][f].bd; \
882 hashkey ^= (*hashcode)[side][piece][f].key; \
887 hashbd ^= (*hashcode)[side][piece][t].bd; \
888 hashkey ^= (*hashcode)[side][piece][t].key; \
892 #define UpdateDropHashbd(side, piece, count) \
894 hashbd ^= (*drop_hashcode)[side][piece][count].bd; \
895 hashkey ^= (*drop_hashcode)[side][piece][count].key; \
899 extern short rpthash[2][256];
902 extern char* DRAW_REPETITION;
903 extern char *DRAW_MAXMOVES;
904 extern char *DRAW_JUSTDRAW;
906 #define row(a) ((a) / NO_COLS)
907 #define column(a) ((a) % NO_COLS)
908 #define locn(a, b) (((a) * NO_COLS) + b)
910 /* init external functions */
911 extern void InitConst(char *lang); /* init.c */
912 extern int Initialize_data(void); /* init.c */
913 extern void Free_data(void); /* init.c */
914 extern int Lock_data(void); /* init.c */
915 extern void Unlock_data(void); /* init.c */
916 extern void Initialize_dist(void); /* init.c */
917 extern void Initialize_eval(void); /* eval.c */
918 extern void NewGame(void);
919 extern void GetOpenings(void);
920 extern int OpeningBook(unsigned short *hint);
924 REMOVE_PIECE = 1, ADD_PIECE
925 } UpdatePieceList_mode;
928 UpdatePieceList(short side, short sq, UpdatePieceList_mode iop);
932 FOREGROUND_MODE = 1, BACKGROUND_MODE
936 SelectMove(short side, SelectMove_mode iop);
944 unsigned short *bstline,
948 void PutInEETable(short side, int score);
949 int CheckEETable(short side);
950 int ProbeEETable(short side, short *score);
955 ProbeTTable(short side,
963 PutInTTable(short side,
970 extern void ZeroTTable(void);
971 extern void ZeroRPT(void);
972 extern void Initialize_ttable(void);
973 extern unsigned int urand(void);
976 extern void gsrand(unsigned int);
979 ProbeFTable(short side,
987 PutInFTable(short side,
996 # endif /* HASHFILE */
999 #if !defined SAVE_NEXTPOS
1000 extern void Initialize_moves(void);
1003 extern short generate_move_flags;
1005 extern void MoveList(short side, short ply,
1006 short in_check, short blockable);
1007 extern void CaptureList(short side, short ply,
1008 short in_check, short blockable);
1010 /* from attacks.c */
1012 SqAttacked(short square, short side, short *blockable);
1015 MakeMove(short side,
1024 UnmakeMove(short side,
1032 InitializeStats(void);
1035 evaluate(short side,
1043 extern short ScorePosition(short side);
1044 extern void ExaminePosition(short side);
1045 extern short ScorePatternDistance(short side);
1046 extern void DetermineStage(short side);
1047 extern void UpdateWeights(short side);
1048 extern int InitMain(void);
1049 extern void ExitMain(void);
1050 extern void Initialize(void);
1051 extern void InputCommand(char *command);
1052 extern void ExitShogi(void);
1053 extern void ClearScreen(void);
1054 extern void SetTimeControl(void);
1055 extern void SelectLevel(char *sx);
1058 UpdateDisplay(short f,
1065 COMPUTE_AND_INIT_MODE = 1, COMPUTE_MODE
1066 #ifdef INTERRUPT_TEST
1067 , INIT_INTERRUPT_MODE, COMPUTE_INTERRUPT_MODE
1071 extern void SetResponseTime(short side);
1072 extern void CheckForTimeout(int score, int globalscore,
1073 int Jscore, int zwndw);
1074 extern void ShowSidetoMove(void);
1075 extern void ShowResponseTime(void);
1076 extern void ShowPatternCount(short side, short n);
1077 extern void SearchStartStuff(short side);
1078 extern void ShowDepth(char ch);
1079 extern void TerminateSearch(int);
1080 extern void ShowResults(short score, unsigned short *bstline, char ch);
1081 extern void SetupBoard(void);
1082 extern void algbr(short f, short t, short flag);
1083 extern void OutputMove(void);
1084 extern void ShowCurrentMove(short pnt, short f, short t);
1085 extern void ListGame(void);
1086 extern void ShowMessage(char *s);
1087 extern void ClearScreen(void);
1088 extern void DoDebug(void);
1089 extern void DoTable(short table[NO_SQUARES]);
1090 extern void ShowPostnValues(void);
1091 extern void ChangeXwindow(void);
1092 extern void SetContempt(void);
1093 extern void ChangeHashDepth(void);
1094 extern void ChangeBetaWindow(void);
1095 extern void GiveHint(void);
1096 extern void ShowPrompt(void);
1097 extern void EditBoard(void);
1098 extern void help(void);
1099 extern void ChangeSearchDepth(void);
1100 extern void skip(void);
1101 extern void skipb(void);
1102 extern void EnPassant(short xside, short f, short t, short iop);
1103 extern void ShowNodeCnt(long NodeCnt);
1104 extern void ShowLine(unsigned short *bstline);
1105 extern int pick(short p1, short p2);
1106 extern short repetition(void);
1107 extern void TimeCalc(void);
1108 extern void ElapsedTime(ElapsedTime_mode iop);
1111 DropPossible(short piece, short side, short sq); /* genmoves.c */
1114 IsCheckmate(short side, short in_check,
1115 short blockable); /* genmoves.c */
1120 VERIFY_AND_MAKE_MODE, VERIFY_AND_TRY_MODE, UNMAKE_MODE
1123 extern int VerifyMove(char *s, VerifyMove_mode iop, unsigned short *mv);
1124 extern unsigned short TTage;
1126 /* display driver framework */
1130 void (*ChangeAlphaWindow)(void);
1131 void (*ChangeBetaWindow)(void);
1132 void (*ChangeHashDepth)(void);
1133 void (*ChangeSearchDepth)(void);
1134 void (*ChangeXwindow)(void);
1135 void (*ClearScreen)(void);
1136 void (*DoDebug)(void);
1137 void (*DoTable)(short table[NO_SQUARES]);
1138 void (*EditBoard)(void);
1139 void (*ExitShogi)(void);
1140 void (*GiveHint)(void);
1141 void (*Initialize)(void);
1142 void (*ShowNodeCnt)(long NodeCnt);
1143 void (*OutputMove)(void);
1144 void (*PollForInput)(void);
1145 void (*SetContempt)(void);
1146 void (*SearchStartStuff)(short side);
1147 void (*SelectLevel)(char *sx);
1148 void (*ShowCurrentMove)(short pnt, short f, short t);
1149 void (*ShowDepth)(char ch);
1150 void (*ShowGameType)(void);
1151 void (*ShowLine)(unsigned short *bstline);
1152 void (*ShowMessage)(char *s);
1153 void (*AlwaysShowMessage)(const char *format, ...);
1154 void (*Printf)(const char *format, ...);
1155 void (*doRequestInputString)(const char* fmt, char* buffer);
1156 int (*GetString)(char* sx);
1157 void (*SetupBoard)(void);
1158 void (*ShowPatternCount)(short side, short n);
1159 void (*ShowPostnValue)(short sq);
1160 void (*ShowPostnValues)(void);
1161 void (*ShowPrompt)(void);
1162 void (*ShowResponseTime)(void);
1163 void (*ShowResults)(short score, unsigned short *bstline, char ch);
1164 void (*ShowSidetoMove)(void);
1165 void (*ShowStage)(void);
1166 void (*TerminateSearch)(int sig);
1167 void (*UpdateClocks)(void);
1168 void (*UpdateDisplay)(short f, short t, short redraw, short isspec);
1172 extern struct display *dsp;
1174 extern struct display raw_display;
1175 extern struct display curses_display;
1177 #endif /* _GNUSHOGI_H_ */