1.\" $NetBSD: gomoku.6,v 1.11 2005/09/15 02:09:41 wiz Exp $ 2.\" 3.\" Copyright (c) 1994 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" Ralph Campbell. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. Neither the name of the University nor the names of its contributors 18.\" may be used to endorse or promote products derived from this software 19.\" without specific prior written permission. 20.\" 21.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31.\" SUCH DAMAGE. 32.\" 33.\" @(#)gomoku.6 8.2 (Berkeley) 8/4/94 34.\" 35.Dd August 4, 1994 36.Dt GOMOKU 6 37.Os 38.Sh NAME 39.Nm gomoku 40.Nd game of 5 in a row 41.Sh SYNOPSIS 42.Nm 43.Op Fl bcdu 44.Op Fl D Ar debugfile 45.Op Ar inputfile 46.Sh DESCRIPTION 47.Nm 48is a two player game were the object is to get 5 in a row horizontally, 49vertically or diagonally on a 19 by 19 grid. 50By convention, black always moves first. 51With no arguments, 52.Nm 53will display a playing board and prompt for moves from the user. 54Valid moves are a letter for the column and a number for the row of an empty 55board location. 56Entering ``quit" or ``resign" will end the game. 57You can save the current state of the game by entering ``save" and 58supplying a file name when prompted. 59The optional file 60.Ar inputfile 61can be used to restore a saved game. 62.Pp 63The options are: 64.Bl -tag -width Ds 65.It Fl b 66This option sets background mode. 67Input moves are read from standard input, 68the computer picks a move, and prints it to standard output. 69The first input line should be either ``black" or ``white" to specify whether 70.Nm 71has the first move or not respectively. 72This option was intended for game tournaments where a referee program handles 73the board display and pits one program against another. 74.It Fl c 75Computer versus computer. 76.Nm 77will play a game against itself. 78This is mostly used for testing. 79.It Fl d 80Print debugging information. 81Repeating this option more than once yields more detailed information. 82.It Fl D Ar debugfile 83Print the debug information to 84.Ar debugfile 85instead of to the standard output. 86.It Fl u 87User versus user. 88This is mostly used for testing. 89.El 90.Sh AUTHORS 91.An Ralph Campbell 92.Sh ACKNOWLEDGEMENTS 93The board display routines were based on the 94.Nm goref 95program written by Peter Langston. 96