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.\" $DragonFly: src/games/backgammon/backgammon/backgammon.6,v 1.4 2007/10/20 17:56:46 swildner Exp $ 31.\" 32.Dd May 31, 1993 33.Dt BACKGAMMON 6 34.Os 35.Sh NAME 36.Nm backgammon 37.Nd the game of backgammon 38.Sh SYNOPSIS 39.Nm 40.Op Fl hnrwb 41.Op Fl pr 42.Op Fl pw 43.Op Fl pb 44.Op Fl t Ar term 45.Op Fl s Ar file 46.Sh DESCRIPTION 47This program lets you play backgammon against the computer 48or against a "friend". 49All commands are only one letter, so you don't need to type a carriage return, 50except at the end of a move. 51The program is mostly self-explanatory, 52so that a question mark (?) will usually get some help. 53If you answer `y' when the program asks if you want the rules, 54you will get text explaining the rules of the game, some hints on strategy, 55instructions on how to use the program, 56and a tutorial consisting of a practice game against the computer. 57A description of how to use the program can be 58obtained by answering `y' when it asks if you want instructions. 59.Pp 60The possible arguments for 61.Nm 62(most are unnecessary but some are very convenient) 63consist of: 64.Bl -tag -width ".Fl pr" 65.It Fl h 66get a description of possible arguments and exit 67.It Fl n 68don't ask for rules or instructions 69.It Fl r 70player is red (implies 71.Fl n ) 72.It Fl w 73player is white (implies 74.Fl n ) 75.It Fl b 76two players, red and white (implies 77.Fl n ) 78.It Fl pr 79print the board before red's turn 80.It Fl pw 81print the board before white's turn 82.It Fl pb 83print the board before both player's turn 84.It Fl t Ar term 85terminal is type 86.Ar term , 87uses 88.Pa /usr/share/misc/termcap 89.It Fl s Ar file 90recover previously saved game from 91.Ar file 92.El 93.Pp 94If 95.Ar term 96has capabilities for direct cursor movement (see 97.Xr termcap 5 ) 98.Nm 99``fixes'' the board after each move, 100so the board does not need to be reprinted, 101unless the screen suffers some horrendous malady. 102Also, any `p' option will be ignored. 103(The `t' option is not necessary unless the terminal type does not match 104the entry in the 105.Pa /usr/share/misc/termcap 106data base.) 107.Sh QUICK REFERENCE 108When the program prompts by typing only your color, 109type a space or carriage return to roll, or 110.Bl -tag -width ".Ic s-f" 111.It Ic d 112to double 113.It Ic p 114to print the board 115.It Ic q 116to quit 117.It Ic s 118to save the game for later 119.El 120.Pp 121When the program prompts with 'Move:', type 122.Bl -tag -width ".Ic s-f" 123.It Ic p 124to print the board 125.It Ic q 126to quit 127.It Ic s 128to save the game 129.El 130.Pp 131or a 132.Em move , 133which is a sequence of 134.Bl -tag -width ".Ic s-f" 135.It Ic s-f 136move from 137.Ic s 138to 139.Ic f 140.It Ic s/r 141move one man on 142.Ic s 143the roll 144.Ic r 145separated by commas or spaces and ending with a newline. 146Available abbreviations are 147.Bl -tag -width ".Ic s-f1-f2" 148.It Ic s-f1-f2 149means 150.Ic s-f1,f1-f2 151.It Ic s/r1r2 152means 153.Ic s/r1,s/r2 154.El 155.El 156.Pp 157Use 158.Ic b 159for bar and 160.Ic h 161for home, 162or 0 or 25 as appropriate. 163.Sh FILES 164.Bl -tag -width ".Pa /usr/share/misc/termcap" -compact 165.It Pa /usr/games/teachgammon 166rules and tutorial 167.It Pa /usr/share/misc/termcap 168terminal capabilities 169.El 170.Sh AUTHORS 171.An Alan Char 172.Sh BUGS 173The program's strategy needs much work. 174