1.\" $NetBSD: gomoku.6,v 1.9 2002/09/26 18:32:01 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. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the University of 20.\" California, Berkeley and its contributors. 21.\" 4. Neither the name of the University nor the names of its contributors 22.\" may be used to endorse or promote products derived from this software 23.\" without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35.\" SUCH DAMAGE. 36.\" 37.\" @(#)gomoku.6 8.2 (Berkeley) 8/4/94 38.\" 39.Dd August 4, 1994 40.Dt GOMOKU 6 41.Os 42.Sh NAME 43.Nm gomoku 44.Nd game of 5 in a row 45.Sh SYNOPSIS 46.Nm 47.Op Fl bcdu 48.Op Fl D Ar debugfile 49.Op Ar inputfile 50.Sh DESCRIPTION 51.Nm 52is a two player game were the object is to get 5 in a row horizontally, 53vertically or diagonally on a 19 by 19 grid. 54By convention, black always moves first. 55With no arguments, 56.Nm 57will display a playing board and prompt for moves from the user. 58Valid moves are a letter for the column and a number for the row of an empty 59board location. 60Entering ``quit" or ``resign" will end the game. 61You can save the current state of the game by entering ``save" and 62supplying a file name when prompted. 63The optional file 64.Ar inputfile 65can be used to restore a saved game. 66.Pp 67The options are: 68.Bl -tag -width Ds 69.It Fl b 70This option sets background mode. 71Input moves are read from standard input, 72the computer picks a move, and prints it to standard output. 73The first input line should be either ``black" or ``white" to specify whether 74.Nm 75has the first move or not respectively. 76This option was intended for game tournaments where a referee program handles 77the board display and pits one program against another. 78.It Fl c 79Computer versus computer. 80.Nm 81will play a game against itself. 82This is mostly used for testing. 83.It Fl d 84Print debugging information. 85Repeating this option more than once yields more detailed information. 86.It Fl D Ar debugfile 87Print the debug information to 88.Ar debugfile 89instead of to the standard output. 90.It Fl u 91User versus user. 92This is mostly used for testing. 93.El 94.Sh AUTHOR 95.An Ralph Campbell 96.Sh ACKNOWLEDGEMENTS 97The board display routines were based on the 98.Nm goref 99program written by Peter Langston. 100