-.\" $NetBSD: gomoku.6,v 1.5 1999/03/10 09:29:08 erh Exp $
+.\" $NetBSD: gomoku.6,v 1.15 2010/03/29 04:00:03 dholland Exp $
.\"
.\" Copyright (c) 1994
.\" The Regents of the University of California. All rights reserved.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\" must display the following acknowledgement:
-.\" This product includes software developed by the University of
-.\" California, Berkeley and its contributors.
-.\" 4. Neither the name of the University nor the names of its contributors
+.\" 3. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\"
.\" @(#)gomoku.6 8.2 (Berkeley) 8/4/94
.\"
-.Dd August 4, 1994
+.Dd March 28, 2010
.Dt GOMOKU 6
-.Os BSD 4.4
+.Os
.Sh NAME
.Nm gomoku
.Nd game of 5 in a row
.Nm
.Op Fl bcdu
.Op Fl D Ar debugfile
-.Op Ar inputfile
+.Op Ar savefile
.Sh DESCRIPTION
.Nm
-is a two player game were the object is to get 5 in a row horizontally,
-vertically or diagonally on a 19 by 19 grid. By convention, black always
-moves first.
-With no arguments,
-.Nm
-will display a playing board and prompt for moves from the user.
-Valid moves are a letter for the column and a number for the row of an empty
-board location. Entering ``quit" or ``resign" will end the game.
-You can save the current state of the game by entering ``save" and
-supplying a file name when prompted.
-The optional file
-.Ar inputfile
-can be used to restore a saved game.
+is a two player game where the object is to get 5 in a row horizontally,
+vertically or diagonally on a 19 by 19 grid.
+By convention, black always moves first.
.Pp
The options are:
.Bl -tag -width Ds
.It Fl b
-This option sets background mode. Input moves are read from standard input,
-the computer picks a move, and prints it to standard output. The first
-input line should be either ``black" or ``white" to specify whether
-.Nm
-has the first move or not respectively. This
-option was intended for game tournaments where a referee program handles
-the board display and pits one program against another.
+Run in batch mode.
+.Pq See below.
.It Fl c
-Computer verses computer.
+Computer versus computer.
.Nm
-will play a game against itself. This is mostly used for testing.
+will play a game against itself.
+This is mostly used for testing.
.It Fl d
-Print debugging information. Repeating this option more than
-once yields more detailed information.
+Print debugging information.
+Repeating this option more than once yields more detailed information.
.It Fl D Ar debugfile
Print the debug information to
.Ar debugfile
instead of to the standard output.
.It Fl u
-User verses user. This is mostly used for testing.
+User versus user.
+.Pq Play against yourself.
+This is mostly used for testing.
+.It Ar savefile
+Load a previously saved game from
+.Pa savefile .
.El
-.Sh AUTHOR
-Ralph Campbell
+.Pp
+With no arguments,
+.Nm
+starts a fresh user vs. computer game.
+.Pp
+Moves may be entered by selecting the desired board location and
+pressing the space or enter key.
+The cursor may be moved using the arrow keys or
+.Xr vi 1
+motion keys
+.Em hjklyubn .
+These also may be familiar from
+.Xr rogue 6
+and
+.Xr hack 6 .
+.\" Valid moves are a letter for the column and a number for the row
+.\" of an empty board location.
+To quit, type
+.Sq Q ,
+and to save the game, type
+.Sq S
+and supply a file name when prompted.
+.Ss Batch mode
+Batch mode was intended for game tournaments where a referee program
+handles the board display and pits one program against another.
+In this mode,
+.Nm
+reads moves from standard input and writes its responses to standard
+output.
+The first line of input should be either
+.Dq black
+or
+.Dq white
+to specify whether
+.Nm
+has the first move or not respectively.
+.Sh AUTHORS
+.An Ralph Campbell
.Sh ACKNOWLEDGEMENTS
The board display routines were based on the
.Nm goref
program written by Peter Langston.
+The user interface was based on Eric S. Raymond's interface for
+.\" change this when/if we import openbsd's bs(6)
+.\" .Xr bs 6 .
+.Nm bs .