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Annotation of 43BSDReno/games/chess/gnuchess.h, revision 1.1

1.1     ! root        1: /*
        !             2:   This file contains code for CHESS.
        !             3:   Copyright (C) 1986, 1987, 1988 Free Software Foundation, Inc.
        !             4: 
        !             5:   This file is part of CHESS.
        !             6: 
        !             7:   CHESS is distributed in the hope that it will be useful,
        !             8:   but WITHOUT ANY WARRANTY.  No author or distributor
        !             9:   accepts responsibility to anyone for the consequences of using it
        !            10:   or for whether it serves any particular purpose or works at all,
        !            11:   unless he says so in writing.  Refer to the CHESS General Public
        !            12:   License for full details.
        !            13: 
        !            14:   Everyone is granted permission to copy, modify and redistribute
        !            15:   CHESS, but only under the conditions described in the
        !            16:   CHESS General Public License.   A copy of this license is
        !            17:   supposed to have been given to you along with CHESS so you
        !            18:   can know your rights and responsibilities.  It should be in a
        !            19:   file named COPYING.  Among other things, the copyright notice
        !            20:   and this notice must be preserved on all copies.
        !            21: */
        !            22: 
        !            23: 
        !            24: /* Header file for GNU CHESS */  
        !            25: 
        !            26: #define neutral 2
        !            27: #define white 0
        !            28: #define black 1 
        !            29: #define no_piece 0
        !            30: #define pawn 1
        !            31: #define knight 2
        !            32: #define bishop 3
        !            33: #define rook 4
        !            34: #define queen 5
        !            35: #define king 6
        !            36: #define pxx " PNBRQK"
        !            37: #define qxx " pnbrqk"
        !            38: #define rxx "12345678"
        !            39: #define cxx "abcdefgh"
        !            40: #define check 0x0001
        !            41: #define capture 0x0002
        !            42: #define draw 0x0004
        !            43: #define promote 0x0008
        !            44: #define cstlmask 0x0010
        !            45: #define epmask 0x0020
        !            46: #define exact 0x0040
        !            47: #define pwnthrt 0x0080
        !            48: #define maxdepth 30
        !            49: #define true 1
        !            50: #define false 0
        !            51: 
        !            52: struct leaf
        !            53:   {
        !            54:     short f,t,score,reply;
        !            55:     unsigned short flags;
        !            56:   };
        !            57: struct GameRec
        !            58:   {
        !            59:     unsigned short gmove;
        !            60:     short score,depth,time,piece,color;
        !            61:     long nodes;
        !            62:   };
        !            63: struct TimeControlRec
        !            64:   {
        !            65:     short moves[2];
        !            66:     long clock[2];
        !            67:   };
        !            68: struct BookEntry
        !            69:   {
        !            70:     struct BookEntry *next;
        !            71:     unsigned short *mv;
        !            72:   };
        !            73: 
        !            74: extern char mvstr1[5],mvstr2[5];
        !            75: extern struct leaf Tree[2000],*root;
        !            76: extern short TrPnt[maxdepth],board[64],color[64];
        !            77: extern short row[64],column[64],locn[8][8];
        !            78: extern short atak[2][64],PawnCnt[2][8];
        !            79: extern short castld[2],kingmoved[2];
        !            80: extern short c1,c2,*atk1,*atk2,*PC1,*PC2;
        !            81: extern short mate,post,opponent,computer,Sdepth,Awindow,Bwindow,dither;
        !            82: extern long ResponseTime,ExtraTime,Level,et,et0,time0,cputimer,ft;
        !            83: extern long NodeCnt,evrate,ETnodes,EvalNodes,HashCnt;
        !            84: extern short quit,reverse,bothsides,hashflag,InChk,player,force,easy,beep,meter;
        !            85: extern short timeout,xwndw;
        !            86: extern struct GameRec GameList[240];
        !            87: extern short GameCnt,Game50,epsquare,lpost,rcptr,contempt;
        !            88: extern short MaxSearchDepth;
        !            89: extern struct BookEntry *Book;
        !            90: extern struct TimeControlRec TimeControl;
        !            91: extern short TCflag,TCmoves,TCminutes,OperatorTime;
        !            92: extern short otherside[3];
        !            93: extern short Stboard[64];
        !            94: extern short Stcolor[64];
        !            95: extern unsigned short hint,PrVar[maxdepth];
        !            96: 
        !            97: #define HZ 60

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