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. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)backgammon.6 8.1 (Berkeley) 5/31/93 33.\" $FreeBSD: src/games/backgammon/backgammon/backgammon.6,v 1.7.2.1 2001/07/22 11:01:21 dd Exp $ 34.\" $DragonFly: src/games/backgammon/backgammon/backgammon.6,v 1.4 2007/10/20 17:56:46 swildner Exp $ 35.\" 36.Dd May 31, 1993 37.Dt BACKGAMMON 6 38.Os 39.Sh NAME 40.Nm backgammon 41.Nd the game of backgammon 42.Sh SYNOPSIS 43.Nm 44.Op Fl hnrwb 45.Op Fl pr 46.Op Fl pw 47.Op Fl pb 48.Op Fl t Ar term 49.Op Fl s Ar file 50.Sh DESCRIPTION 51This program lets you play backgammon against the computer 52or against a "friend". 53All commands are only one letter, so you don't need to type a carriage return, 54except at the end of a move. 55The program is mostly self-explanatory, 56so that a question mark (?) will usually get some help. 57If you answer `y' when the program asks if you want the rules, 58you will get text explaining the rules of the game, some hints on strategy, 59instructions on how to use the program, 60and a tutorial consisting of a practice game against the computer. 61A description of how to use the program can be 62obtained by answering `y' when it asks if you want instructions. 63.Pp 64The possible arguments for 65.Nm 66(most are unnecessary but some are very convenient) 67consist of: 68.Bl -tag -width ".Fl pr" 69.It Fl h 70get a description of possible arguments and exit 71.It Fl n 72don't ask for rules or instructions 73.It Fl r 74player is red (implies 75.Fl n ) 76.It Fl w 77player is white (implies 78.Fl n ) 79.It Fl b 80two players, red and white (implies 81.Fl n ) 82.It Fl pr 83print the board before red's turn 84.It Fl pw 85print the board before white's turn 86.It Fl pb 87print the board before both player's turn 88.It Fl t Ar term 89terminal is type 90.Ar term , 91uses 92.Pa /usr/share/misc/termcap 93.It Fl s Ar file 94recover previously saved game from 95.Ar file 96.El 97.Pp 98If 99.Ar term 100has capabilities for direct cursor movement (see 101.Xr termcap 5 ) 102.Nm 103``fixes'' the board after each move, 104so the board does not need to be reprinted, 105unless the screen suffers some horrendous malady. 106Also, any `p' option will be ignored. 107(The `t' option is not necessary unless the terminal type does not match 108the entry in the 109.Pa /usr/share/misc/termcap 110data base.) 111.Sh QUICK REFERENCE 112When the program prompts by typing only your color, 113type a space or carriage return to roll, or 114.Bl -tag -width ".Ic s-f" 115.It Ic d 116to double 117.It Ic p 118to print the board 119.It Ic q 120to quit 121.It Ic s 122to save the game for later 123.El 124.Pp 125When the program prompts with 'Move:', type 126.Bl -tag -width ".Ic s-f" 127.It Ic p 128to print the board 129.It Ic q 130to quit 131.It Ic s 132to save the game 133.El 134.Pp 135or a 136.Em move , 137which is a sequence of 138.Bl -tag -width ".Ic s-f" 139.It Ic s-f 140move from 141.Ic s 142to 143.Ic f 144.It Ic s/r 145move one man on 146.Ic s 147the roll 148.Ic r 149separated by commas or spaces and ending with a newline. 150Available abbreviations are 151.Bl -tag -width ".Ic s-f1-f2" 152.It Ic s-f1-f2 153means 154.Ic s-f1,f1-f2 155.It Ic s/r1r2 156means 157.Ic s/r1,s/r2 158.El 159.El 160.Pp 161Use 162.Ic b 163for bar and 164.Ic h 165for home, 166or 0 or 25 as appropriate. 167.Sh FILES 168.Bl -tag -width ".Pa /usr/share/misc/termcap" -compact 169.It Pa /usr/games/teachgammon 170rules and tutorial 171.It Pa /usr/share/misc/termcap 172terminal capabilities 173.El 174.Sh AUTHORS 175.An Alan Char 176.Sh BUGS 177The program's strategy needs much work. 178