1.\" Copyright (c) 1980, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)backgammon.6 8.1 (Berkeley) 5/31/93 29.\" $FreeBSD: src/games/backgammon/backgammon/backgammon.6,v 1.7.2.1 2001/07/22 11:01:21 dd Exp $ 30.\" 31.Dd May 31, 1993 32.Dt BACKGAMMON 6 33.Os 34.Sh NAME 35.Nm backgammon 36.Nd the game of backgammon 37.Sh SYNOPSIS 38.Nm 39.Op Fl hnrwb 40.Op Fl pr 41.Op Fl pw 42.Op Fl pb 43.Op Fl t Ar term 44.Op Fl s Ar file 45.Sh DESCRIPTION 46This program lets you play backgammon against the computer 47or against a "friend". 48All commands are only one letter, so you don't need to type a carriage return, 49except at the end of a move. 50The program is mostly self-explanatory, 51so that a question mark (?) will usually get some help. 52If you answer `y' when the program asks if you want the rules, 53you will get text explaining the rules of the game, some hints on strategy, 54instructions on how to use the program, 55and a tutorial consisting of a practice game against the computer. 56A description of how to use the program can be 57obtained by answering `y' when it asks if you want instructions. 58.Pp 59The possible arguments for 60.Nm 61(most are unnecessary but some are very convenient) 62consist of: 63.Bl -tag -width ".Fl pr" 64.It Fl h 65get a description of possible arguments and exit 66.It Fl n 67don't ask for rules or instructions 68.It Fl r 69player is red (implies 70.Fl n ) 71.It Fl w 72player is white (implies 73.Fl n ) 74.It Fl b 75two players, red and white (implies 76.Fl n ) 77.It Fl pr 78print the board before red's turn 79.It Fl pw 80print the board before white's turn 81.It Fl pb 82print the board before both players' turn 83.It Fl t Ar term 84terminal is type 85.Ar term , 86uses 87.Pa /usr/share/misc/termcap 88.It Fl s Ar file 89recover previously saved game from 90.Ar file 91.El 92.Pp 93If 94.Ar term 95has capabilities for direct cursor movement (see 96.Xr termcap 5 ) 97.Nm 98``fixes'' the board after each move, 99so the board does not need to be reprinted, 100unless the screen suffers some horrendous malady. 101Also, any `p' option will be ignored. 102(The `t' option is not necessary unless the terminal type does not match 103the entry in the 104.Pa /usr/share/misc/termcap 105data base.) 106.Sh QUICK REFERENCE 107When the program prompts by typing only your color, 108type a space or carriage return to roll, or 109.Bl -tag -width ".Ic s-f" 110.It Ic d 111to double 112.It Ic p 113to print the board 114.It Ic q 115to quit 116.It Ic s 117to save the game for later 118.El 119.Pp 120When the program prompts with 'Move:', type 121.Bl -tag -width ".Ic s-f" 122.It Ic p 123to print the board 124.It Ic q 125to quit 126.It Ic s 127to save the game 128.El 129.Pp 130or a 131.Em move , 132which is a sequence of 133.Bl -tag -width ".Ic s-f" 134.It Ic s-f 135move from 136.Ic s 137to 138.Ic f 139.It Ic s/r 140move one man on 141.Ic s 142the roll 143.Ic r 144separated by commas or spaces and ending with a newline. 145Available abbreviations are 146.Bl -tag -width ".Ic s-f1-f2" 147.It Ic s-f1-f2 148means 149.Ic s-f1,f1-f2 150.It Ic s/r1r2 151means 152.Ic s/r1,s/r2 153.El 154.El 155.Pp 156Use 157.Ic b 158for bar and 159.Ic h 160for home, 161or 0 or 25 as appropriate. 162.Sh FILES 163.Bl -tag -width ".Pa /usr/share/misc/termcap" -compact 164.It Pa /usr/games/teachgammon 165rules and tutorial 166.It Pa /usr/share/misc/termcap 167terminal capabilities 168.El 169.Sh AUTHORS 170.An Alan Char 171.Sh BUGS 172The program's strategy needs much work. 173