100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/*
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This file contains code for CHESS.
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Copyright (C) 1986, 1987, 1988 Free Software Foundation, Inc.
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This file is part of CHESS.
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CHESS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY. No author or distributor
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accepts responsibility to anyone for the consequences of using it
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or for whether it serves any particular purpose or works at all,
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unless he says so in writing. Refer to the CHESS General Public
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License for full details.
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Everyone is granted permission to copy, modify and redistribute
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CHESS, but only under the conditions described in the
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CHESS General Public License. A copy of this license is
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supposed to have been given to you along with CHESS so you
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can know your rights and responsibilities. It should be in a
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file named COPYING. Among other things, the copyright notice
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and this notice must be preserved on all copies.
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$Id: gnuchess.h,v 1.2 1993/08/02 17:21:18 mycroft Exp $
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*/
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/* Header file for GNU CHESS */
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#define neutral 2
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#define white 0
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#define black 1
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#define no_piece 0
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#define pawn 1
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#define knight 2
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#define bishop 3
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#define rook 4
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#define queen 5
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#define king 6
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#define pxx " PNBRQK"
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#define qxx " pnbrqk"
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#define rxx "12345678"
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#define cxx "abcdefgh"
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#define check 0x0001
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#define capture 0x0002
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#define draw 0x0004
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#define promote 0x0008
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#define cstlmask 0x0010
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#define epmask 0x0020
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#define exact 0x0040
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#define pwnthrt 0x0080
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#define maxdepth 30
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#define true 1
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#define false 0
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struct leaf
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{
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short f,t,score,reply;
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unsigned short flags;
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};
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struct GameRec
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{
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unsigned short gmove;
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short score,depth,time,piece,color;
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long nodes;
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};
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struct TimeControlRec
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{
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short moves[2];
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long clock[2];
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};
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struct BookEntry
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{
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struct BookEntry *next;
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unsigned short *mv;
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};
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extern char mvstr1[5],mvstr2[5];
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extern struct leaf Tree[2000],*root;
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extern short TrPnt[maxdepth],board[64],color[64];
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extern short row[64],column[64],locn[8][8];
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extern short atak[2][64],PawnCnt[2][8];
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extern short castld[2],kingmoved[2];
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extern short c1,c2,*atk1,*atk2,*PC1,*PC2;
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extern short mate,post,opponent,computer,Sdepth,Awindow,Bwindow,dither;
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extern long ResponseTime,ExtraTime,Level,et,et0,time0,cputimer,ft;
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extern long NodeCnt,evrate,ETnodes,EvalNodes,HashCnt;
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extern short quit,reverse,bothsides,hashflag,InChk,player,force,easy,beep,meter;
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extern short timeout,xwndw;
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extern struct GameRec GameList[240];
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extern short GameCnt,Game50,epsquare,lpost,rcptr,contempt;
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extern short MaxSearchDepth;
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extern struct BookEntry *Book;
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extern struct TimeControlRec TimeControl;
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extern short TCflag,TCmoves,TCminutes,OperatorTime;
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extern short otherside[3];
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extern short Stboard[64];
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extern short Stcolor[64];
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extern unsigned short hint,PrVar[maxdepth];
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#define HZ 60
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