1.\" $NetBSD: backgammon.6,v 1.9 2002/09/26 18:31:58 wiz Exp $ 2.\" 3.\" Copyright (c) 1980, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)backgammon.6 8.1 (Berkeley) 5/31/93 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 45.Op Fl nrwb 46.Op Fl pr 47.Op Fl pw 48.Op Fl pb 49.Op Fl t Ar term 50.Op Fl s Ar file 51.Sh DESCRIPTION 52This program lets you play backgammon against the computer 53or against a "friend". 54All commands only are one letter, so you don't need to type a carriage return, 55except at the end of a move. 56The program is mostly self documenting, 57so that a question mark (?) will usually get some help. 58If you answer `y' when the program asks if you want the rules, 59you will get text explaining the rules of the game, some hints on strategy, 60instruction on how to use the program, 61and a tutorial consisting of a practice game against the computer. 62A description of how to use the program can be 63obtained by answering `y' when it asks if you want instructions. 64.Pp 65The possible arguments for backgammon 66(most are unnecessary but some are very convenient) 67consist of: 68.Bl -tag -width indent 69.It Fl n 70don't ask for rules or instructions 71.It Fl r 72player is red (implies n) 73.It Fl w 74player is white (implies n) 75.It Fl b 76two players, red and white (implies 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 player's 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 93.\" 94.\" Arguments may be optionally preceded by a `-'. 95.\" Several arguments may be concatenated together, 96.\" but not after `s' or `t' arguments, 97.\" since they can be followed by an arbitrary string. 98Any unrecognized arguments are ignored. 99An argument of a lone `-' gets a description of possible arguments. 100.Pp 101If 102.Ar term 103has capabilities for direct cursor movement (see 104.Xr termcap 5 ) 105.Nm 106``fixes'' the board after each move, 107so the board does not need to be reprinted, 108unless the screen suffers some horrendous malady. 109Also, any `p' option will be ignored. 110(The `t' option is not necessary unless the terminal type does not match 111the entry in the 112.Pa /usr/share/misc/termcap 113data base.) 114.Sh QUICK REFERENCE 115When the program prompts by typing only your color, 116type a space or carriage return to roll, or 117.Bl -tag -width indent 118.It Ic d 119to double 120.It Ic p 121to print the board 122.It Ic q 123to quit 124.It Ic s 125to save the game for later 126.El 127.Pp 128When the program prompts with 'Move:', type 129.Bl -tag -width indent 130.It Ic p 131to print the board 132.It Ic q 133to quit 134.It Ic s 135to save the game 136.El 137.Pp 138or a 139.Em move , 140which is a sequence of 141.Bl -tag -width indent 142.It Ic s-f 143move from 144.Ic s 145to 146.Ic f 147.It Ic s/r 148move one man on 149.Ic s 150the roll 151.Ic r 152separated by commas or spaces and ending with a newline. 153Available abbreviations are 154.Bl -tag -width indent 155.It Ic s-f1-f2 156means 157.Ic s-f1,f1-f2 158.It Ic s/r1r2 159means 160.Ic s/r1,s/r2 161.El 162.El 163.Pp 164Use 165.Ic b 166for bar and 167.Ic h 168for home, 169or 0 or 25 as appropriate. 170.Sh AUTHOR 171.An Alan Char 172.Sh FILES 173.Bl -tag -width /usr/share/misc/termcap -compact 174.It Pa /usr/games/teachgammon 175rules and tutorial 176.It Pa /usr/share/misc/termcap 177terminal capabilities 178.El 179.Sh BUGS 180The program's strategy needs much work. 181