c4816c32b3
Include appropriate includes, delete bogus function declarations, change sizes of variables and casts.
756 lines
17 KiB
C
756 lines
17 KiB
C
/* $NetBSD: fancy.c,v 1.4 1995/04/24 12:22:09 cgd Exp $ */
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/*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)fancy.c 8.1 (Berkeley) 5/31/93";
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#else
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static char rcsid[] = "$NetBSD: fancy.c,v 1.4 1995/04/24 12:22:09 cgd Exp $";
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#endif
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#endif /* not lint */
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#include "back.h"
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char PC; /* padding character */
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char *BC; /* backspace sequence */
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char *CD; /* clear to end of screen sequence */
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char *CE; /* clear to end of line sequence */
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char *CL; /* clear screen sequence */
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char *CM; /* cursor movement instructions */
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char *HO; /* home cursor sequence */
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char *MC; /* column cursor movement map */
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char *ML; /* row cursor movement map */
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char *ND; /* forward cursor sequence */
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char *UP; /* up cursor sequence */
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int lHO; /* length of HO */
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int lBC; /* length of BC */
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int lND; /* length of ND */
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int lUP; /* length of UP */
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int CO; /* number of columns */
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int LI; /* number of lines */
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int *linect; /* array of lengths of lines on screen
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(the actual screen is not stored) */
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/* two letter codes */
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char tcap[] = "bccdceclcmhomcmlndup";
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/* corresponding strings */
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char **tstr[] = { &BC, &CD, &CE, &CL, &CM, &HO, &MC, &ML, &ND, &UP };
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int buffnum; /* pointer to output buffer */
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char tbuf[1024]; /* buffer for decoded termcap entries */
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int oldb[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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int oldr;
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int oldw;
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/* "real" cursor positions, so
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* it knows when to reposition.
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* These are -1 if curr and curc
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* are accurate */
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int realr;
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int realc;
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void addbuf();
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extern char *tgoto(), *tgetstr();
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fboard () {
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register int i, j, l;
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curmove (0,0); /* do top line */
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for (i = 0; i < 53; i++)
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fancyc ('_');
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curmove (15,0); /* do botttom line */
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for (i = 0; i < 53; i++)
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fancyc ('_');
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l = 1; /* do vertical lines */
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for (i = 52; i > -1; i -= 28) {
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curmove ( (l == 1? 1: 15) ,i);
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fancyc ('|');
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for (j = 0; j < 14; j++) {
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curmove (curr+l,curc-1);
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fancyc ('|');
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}
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if (i == 24)
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i += 32;
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l = -l; /* alternate directions */
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}
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curmove (2,1); /* label positions 13-18 */
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for (i = 13; i < 18; i++) {
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fancyc ('1');
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fancyc ((i % 10)+'0');
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curmove (curr,curc+2);
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}
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fancyc ('1');
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fancyc ('8');
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curmove (2,29); /* label positions 19-24 */
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fancyc ('1');
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fancyc ('9');
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for (i = 20; i < 25; i++) {
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curmove (curr,curc+2);
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fancyc ('2');
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fancyc ((i % 10)+'0');
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}
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curmove (14,1); /* label positions 12-7 */
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fancyc ('1');
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fancyc ('2');
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for (i = 11; i > 6; i--) {
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curmove (curr,curc+2);
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fancyc (i > 9? '1': ' ');
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fancyc ((i % 10)+'0');
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}
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curmove (14,30); /* label positions 6-1 */
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fancyc ('6');
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for (i = 5; i > 0; i--) {
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curmove (curr,curc+3);
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fancyc (i+'0');
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}
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for (i = 12; i > 6; i--) /* print positions 12-7 */
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if (board[i])
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bsect (board[i],13,1+4*(12-i),-1);
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if (board[0]) /* print red men on bar */
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bsect (board[0],13,25,-1);
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for (i = 6; i > 0; i--) /* print positions 6-1 */
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if (board[i])
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bsect (board[i],13,29+4*(6-i),-1);
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l = (off[1] < 0? off[1]+15: off[1]); /* print white's home */
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bsect (l,3,54,1);
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curmove (8,25); /* print the word BAR */
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fancyc ('B');
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fancyc ('A');
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fancyc ('R');
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for (i = 13; i < 19; i++) /* print positions 13-18 */
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if (board[i])
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bsect (board[i],3,1+4*(i-13),1);
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if (board[25]) /* print white's men on bar */
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bsect (board[25],3,25,1);
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for (i = 19; i < 25; i++) /* print positions 19-24 */
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if (board[i])
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bsect (board[i],3,29+4*(i-19),1);
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l = (off[0] < 0? off[0]+15: off[0]); /* print red's home */
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bsect (-l,13,54,-1);
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for (i = 0; i < 26; i++) /* save board position
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* for refresh later */
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oldb[i] = board[i];
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oldr = (off[1] < 0? off[1]+15: off[1]);
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oldw = -(off[0] < 0? off[0]+15: off[0]);
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}
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/*
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* bsect (b,rpos,cpos,cnext)
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* Print the contents of a board position. "b" has the value of the
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* position, "rpos" is the row to start printing, "cpos" is the column to
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* start printing, and "cnext" is positive if the position starts at the top
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* and negative if it starts at the bottom. The value of "cpos" is checked
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* to see if the position is a player's home, since those are printed
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* differently.
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*/
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bsect (b,rpos,cpos,cnext)
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int b; /* contents of position */
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int rpos; /* row of position */
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int cpos; /* column of position */
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int cnext; /* direction of position */
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{
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register int j; /* index */
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register int n; /* number of men on position */
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register int bct; /* counter */
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int k; /* index */
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char pc; /* color of men on position */
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n = abs(b); /* initialize n and pc */
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pc = (b > 0? 'r': 'w');
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if (n < 6 && cpos < 54) /* position cursor at start */
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curmove (rpos,cpos+1);
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else
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curmove (rpos,cpos);
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for (j = 0; j < 5; j++) { /* print position row by row */
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for (k = 0; k < 15; k += 5) /* print men */
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if (n > j+k)
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fancyc (pc);
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if (j < 4) { /* figure how far to
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* back up for next
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* row */
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if (n < 6) { /* stop if none left */
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if (j+1 == n)
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break;
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bct = 1; /* single column */
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} else {
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if (n < 11) { /* two columns */
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if (cpos == 54) { /* home pos */
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if (j+5 >= n)
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bct = 1;
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else
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bct = 2;
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}
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if (cpos < 54) { /* not home */
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if (j+6 >= n)
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bct = 1;
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else
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bct = 2;
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}
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} else { /* three columns */
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if (j+10 >= n)
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bct = 2;
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else
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bct = 3;
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}
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}
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curmove (curr+cnext,curc-bct); /* reposition cursor */
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}
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}
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}
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refresh() {
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register int i, r, c;
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r = curr; /* save current position */
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c = curc;
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for (i = 12; i > 6; i--) /* fix positions 12-7 */
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if (board[i] != oldb[i]) {
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fixpos (oldb[i],board[i],13,1+(12-i)*4,-1);
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oldb[i] = board[i];
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}
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if (board[0] != oldb[0]) { /* fix red men on bar */
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fixpos (oldb[0],board[0],13,25,-1);
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oldb[0] = board[0];
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}
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for (i = 6; i > 0; i--) /* fix positions 6-1 */
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if (board[i] != oldb[i]) {
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fixpos (oldb[i],board[i],13,29+(6-i)*4,-1);
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oldb[i] = board[i];
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}
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i = -(off[0] < 0? off[0]+15: off[0]); /* fix white's home */
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if (oldw != i) {
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fixpos (oldw,i,13,54,-1);
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oldw = i;
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}
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for (i = 13; i < 19; i++) /* fix positions 13-18 */
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if (board[i] != oldb[i]) {
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fixpos (oldb[i],board[i],3,1+(i-13)*4,1);
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oldb[i] = board[i];
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}
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if (board[25] != oldb[25]) { /* fix white men on bar */
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fixpos (oldb[25],board[25],3,25,1);
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oldb[25] = board[25];
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}
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for (i = 19; i < 25; i++) /* fix positions 19-24 */
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if (board[i] != oldb[i]) {
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fixpos (oldb[i],board[i],3,29+(i-19)*4,1);
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oldb[i] = board[i];
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}
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i = (off[1] < 0? off[1]+15: off[1]); /* fix red's home */
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if (oldr != i) {
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fixpos (oldr,i,3,54,1);
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oldr = i;
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}
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curmove (r,c); /* return to saved position */
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newpos();
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buflush();
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}
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fixpos (old,new,r,c,inc)
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int old, new, r, c, inc;
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{
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register int o, n, nv;
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int ov, nc;
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char col;
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if (old*new >= 0) {
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ov = abs(old);
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nv = abs(new);
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col = (old+new > 0? 'r': 'w');
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o = (ov-1)/5;
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n = (nv-1)/5;
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if (o == n) {
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if (o == 2)
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nc = c+2;
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if (o == 1)
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nc = c < 54? c: c+1;
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if (o == 0)
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nc = c < 54? c+1: c;
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if (ov > nv)
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fixcol (r+inc*(nv-n*5),nc,abs(ov-nv),' ',inc);
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else
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fixcol (r+inc*(ov-o*5),nc,abs(ov-nv),col,inc);
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return;
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} else {
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if (c < 54) {
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if (o+n == 1) {
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if (n) {
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fixcol (r,c,abs(nv-5),col,inc);
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if (ov != 5)
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fixcol (r+inc*ov,c+1,abs(ov-5),col,inc);
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} else {
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fixcol (r,c,abs(ov-5),' ',inc);
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if (nv != 5)
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fixcol (r+inc*nv,c+1,abs(nv-5),' ',inc);
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}
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return;
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}
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if (n == 2) {
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if (ov != 10)
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fixcol (r+inc*(ov-5),c,abs(ov-10),col,inc);
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fixcol (r,c+2,abs(nv-10),col,inc);
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} else {
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if (nv != 10)
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fixcol (r+inc*(nv-5),c,abs(nv-10),' ',inc);
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fixcol (r,c+2,abs(ov-10),' ',inc);
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}
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return;
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}
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if (n > o) {
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fixcol (r+inc*(ov%5),c+o,abs(5*n-ov),col,inc);
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if (nv != 5*n)
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fixcol (r,c+n,abs(5*n-nv),col,inc);
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} else {
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fixcol (r+inc*(nv%5),c+n,abs(5*n-nv),' ',inc);
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if (ov != 5*o)
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fixcol (r,c+o,abs(5*o-ov),' ',inc);
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}
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return;
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}
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}
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nv = abs(new);
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fixcol (r,c+1,nv,new > 0? 'r': 'w',inc);
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if (abs(old) <= abs(new))
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return;
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fixcol (r+inc*new,c+1,abs(old+new),' ',inc);
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}
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fixcol (r,c,l,ch,inc)
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register int l, ch;
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int r, c, inc;
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{
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register int i;
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curmove (r,c);
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fancyc (ch);
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for (i = 1; i < l; i++) {
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curmove (curr+inc,curc-1);
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fancyc (ch);
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}
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}
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curmove (r,c)
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register int r, c;
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{
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if (curr == r && curc == c)
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return;
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if (realr == -1) {
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realr = curr;
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realc = curc;
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}
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curr = r;
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curc = c;
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}
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newpos () {
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register int r; /* destination row */
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register int c; /* destination column */
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register int mode = -1; /* mode of movement */
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int count = 1000; /* character count */
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int i; /* index */
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int j; /* index */
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int n; /* temporary variable */
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char *m; /* string containing CM movement */
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if (realr == -1) /* see if already there */
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return;
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r = curr; /* set current and dest. positions */
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c = curc;
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curr = realr;
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curc = realc;
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/* double check position */
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if (curr == r && curc == c) {
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realr = realc = -1;
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return;
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}
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if (CM) { /* try CM to get there */
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mode = 0;
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m = (char *)tgoto (CM,c,r);
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count = strlen (m);
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}
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/* try HO and local movement */
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if (HO && (n = r+c*lND+lHO) < count) {
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mode = 1;
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count = n;
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}
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/* try various LF combinations */
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if (r >= curr) {
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/* CR, LF, and ND */
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if ((n = (r-curr)+c*lND+1) < count) {
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mode = 2;
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count = n;
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}
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/* LF, ND */
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if (c >= curc && (n = (r-curr)+(c-curc)*lND) < count) {
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mode = 3;
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count = n;
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}
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/* LF, BS */
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if (c < curc && (n = (r-curr)+(curc-c)*lBC) < count) {
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mode = 4;
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count = n;
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}
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}
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/* try corresponding UP combinations */
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if (r < curr) {
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/* CR, UP, and ND */
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if ((n = (curr-r)*lUP+c*lND+1) < count) {
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mode = 5;
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count = n;
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}
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/* UP and ND */
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if (c >= curc && (n = (curr-r)*lUP+(c-curc)*lND) < count) {
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mode = 6;
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count = n;
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}
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/* UP and BS */
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if (c < curc && (n = (curr-r)*lUP+(curc-c)*lBC) < count) {
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mode = 7;
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count = n;
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}
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}
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/* space over */
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if (curr == r && c > curc && linect[r] < curc && c-curc < count)
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mode = 8;
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switch (mode) {
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case -1: /* error! */
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write (2,"\r\nInternal cursor error.\r\n",26);
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getout();
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/* direct cursor motion */
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case 0:
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tputs (m,abs(curr-r),addbuf);
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break;
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/* relative to "home" */
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case 1:
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tputs (HO,r,addbuf);
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for (i = 0; i < r; i++)
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addbuf ('\012');
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for (i = 0; i < c; i++)
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tputs (ND,1,addbuf);
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break;
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/* CR and down and over */
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case 2:
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addbuf ('\015');
|
||
for (i = 0; i < r-curr; i++)
|
||
addbuf ('\012');
|
||
for (i = 0; i < c; i++)
|
||
tputs (ND,1,addbuf);
|
||
break;
|
||
|
||
/* down and over */
|
||
case 3:
|
||
for (i = 0; i < r-curr; i++)
|
||
addbuf ('\012');
|
||
for (i = 0; i < c-curc; i++)
|
||
tputs (ND,1,addbuf);
|
||
break;
|
||
|
||
/* down and back */
|
||
case 4:
|
||
for (i = 0; i < r-curr; i++)
|
||
addbuf ('\012');
|
||
for (i = 0; i < curc-c; i++)
|
||
addbuf ('\010');
|
||
break;
|
||
|
||
/* CR and up and over */
|
||
case 5:
|
||
addbuf ('\015');
|
||
for (i = 0; i < curr-r; i++)
|
||
tputs (UP,1,addbuf);
|
||
for (i = 0; i < c; i++)
|
||
tputs (ND,1,addbuf);
|
||
break;
|
||
|
||
/* up and over */
|
||
case 6:
|
||
for (i = 0; i < curr-r; i++)
|
||
tputs (UP,1,addbuf);
|
||
for (i = 0; i < c-curc; i++)
|
||
tputs (ND,1,addbuf);
|
||
break;
|
||
|
||
/* up and back */
|
||
case 7:
|
||
for (i = 0; i < curr-r; i++)
|
||
tputs (UP,1,addbuf);
|
||
for (i = 0; i < curc-c; i++) {
|
||
if (BC)
|
||
tputs (BC,1,addbuf);
|
||
else
|
||
addbuf ('\010');
|
||
}
|
||
break;
|
||
|
||
/* safe space */
|
||
case 8:
|
||
for (i = 0; i < c-curc; i++)
|
||
addbuf (' ');
|
||
}
|
||
|
||
/* fix positions */
|
||
curr = r;
|
||
curc = c;
|
||
realr = -1;
|
||
realc = -1;
|
||
}
|
||
|
||
clear () {
|
||
register int i;
|
||
|
||
/* double space if can't clear */
|
||
if (CL == 0) {
|
||
writel ("\n\n");
|
||
return;
|
||
}
|
||
|
||
curr = curc = 0; /* fix position markers */
|
||
realr = realc = -1;
|
||
for (i = 0; i < 24; i++) /* clear line counts */
|
||
linect[i] = -1;
|
||
buffnum = -1; /* ignore leftover buffer contents */
|
||
tputs (CL,CO,addbuf); /* put CL in buffer */
|
||
}
|
||
|
||
tos () { /* home cursor */
|
||
curmove (0,0);
|
||
}
|
||
|
||
fancyc (c)
|
||
register char c; /* character to output */
|
||
{
|
||
register int sp; /* counts spaces in a tab */
|
||
|
||
if (c == '\007') { /* bells go in blindly */
|
||
addbuf (c);
|
||
return;
|
||
}
|
||
|
||
/* process tabs, use spaces if the
|
||
* the tab should be erasing things,
|
||
* otherwise use cursor movement
|
||
* routines. Note this does not use
|
||
* hardware tabs at all. */
|
||
if (c == '\t') {
|
||
sp = (curc+8) & (~ 7); /* compute spaces */
|
||
/* check line length */
|
||
if (linect[curr] >= curc || sp < 4) {
|
||
for (; sp > curc; sp--)
|
||
addbuf (' ');
|
||
curc = sp; /* fix curc */
|
||
} else
|
||
curmove (curr,sp);
|
||
return;
|
||
}
|
||
|
||
/* do newline be calling newline */
|
||
if (c == '\n') {
|
||
newline();
|
||
return;
|
||
}
|
||
|
||
/* ignore any other control chars */
|
||
if (c < ' ')
|
||
return;
|
||
|
||
/* if an erasing space or non-space,
|
||
* just add it to buffer. Otherwise
|
||
* use cursor movement routine, so that
|
||
* multiple spaces will be grouped
|
||
* together */
|
||
if (c > ' ' || linect[curr] >= curc) {
|
||
newpos (); /* make sure position correct */
|
||
addbuf (c); /* add character to buffer */
|
||
/* fix line length */
|
||
if (c == ' ' && linect[curr] == curc)
|
||
linect[curr]--;
|
||
else if (linect[curr] < curc)
|
||
linect[curr] = curc;
|
||
curc++; /* fix curc */
|
||
} else
|
||
/* use cursor movement routine */
|
||
curmove (curr,curc+1);
|
||
}
|
||
|
||
clend() {
|
||
register int i;
|
||
register char *s;
|
||
|
||
|
||
if (CD) {
|
||
tputs (CD,CO-curr,addbuf);
|
||
for (i = curr; i < LI; i++)
|
||
linect[i] = -1;
|
||
return;
|
||
}
|
||
|
||
curmove (i = curr,0);
|
||
cline();
|
||
while (curr < LI-1) {
|
||
curmove (curr+1,0);
|
||
if (linect[curr] > -1)
|
||
cline ();
|
||
}
|
||
curmove (i,0);
|
||
}
|
||
|
||
cline () {
|
||
register int i;
|
||
register int c;
|
||
register char *s;
|
||
|
||
if (curc > linect[curr])
|
||
return;
|
||
newpos ();
|
||
if (CE) {
|
||
tputs (CE,1,addbuf);
|
||
linect[curr] = curc-1;
|
||
} else {
|
||
c = curc-1;
|
||
while (linect[curr] > c) {
|
||
addbuf (' ');
|
||
curc++;
|
||
linect[curr]--;
|
||
}
|
||
curmove (curr,c+1);
|
||
}
|
||
}
|
||
|
||
newline () {
|
||
cline();
|
||
if (curr == LI-1)
|
||
curmove (begscr,0);
|
||
else
|
||
curmove (curr+1,0);
|
||
}
|
||
|
||
getcaps (s)
|
||
register char *s;
|
||
|
||
{
|
||
register char *code; /* two letter code */
|
||
register char ***cap; /* pointer to cap string */
|
||
char *bufp; /* pointer to cap buffer */
|
||
char tentry[1024]; /* temporary uncoded caps buffer */
|
||
|
||
tgetent (tentry,s); /* get uncoded termcap entry */
|
||
|
||
LI = tgetnum ("li"); /* get number of lines */
|
||
if (LI == -1)
|
||
LI = 12;
|
||
CO = tgetnum ("co"); /* get number of columns */
|
||
if (CO == -1)
|
||
CO = 65;
|
||
|
||
bufp = tbuf; /* get padding character */
|
||
tgetstr ("pc",&bufp);
|
||
if (bufp != tbuf)
|
||
PC = *tbuf;
|
||
else
|
||
PC = 0;
|
||
|
||
bufp = tbuf; /* get string entries */
|
||
cap = tstr;
|
||
for (code = tcap; *code; code += 2)
|
||
**cap++ = (char *)tgetstr (code,&bufp);
|
||
|
||
/* get pertinent lengths */
|
||
if (HO)
|
||
lHO = strlen (HO);
|
||
if (BC)
|
||
lBC = strlen (BC);
|
||
else
|
||
lBC = 1;
|
||
if (UP)
|
||
lUP = strlen (UP);
|
||
if (ND)
|
||
lND = strlen (ND);
|
||
if (LI < 24 || CO < 72 || !(CL && UP && ND))
|
||
return (0);
|
||
linect = (int *)calloc (LI+1,sizeof(int));
|
||
return (1);
|
||
}
|