xref: /netbsd-src/games/dab/dab.6 (revision ed0ae4959795cd1a91f0e9910b570ac74c37f6ac)

.\"	$NetBSD: dab.6,v 1.8 2021/12/05 09:46:05 rillig Exp $
.\"
.\" Copyright (c) 2003 Thomas Klausner.
.\"
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.Dd December 5, 2021
.Dt DAB 6
.Os
.Sh NAME
.Nm dab
.Nd Dots and Boxes game
.Sh SYNOPSIS
.Nm
.Op Fl aw
.Op Fl n Ar ngames
.Op Fl p Ao Ar c|h Ac Ns Ao Ar c|h Ac
.Op Ar xdim Oo Ar ydim Oc
.Sh DESCRIPTION
.Nm
is a game where each player tries to complete the most
boxes.
A turn consists of putting one border of a box; the player
setting the fourth and final border of a box gets the
point for the box and has another turn.
.Pp
The keys used are the vi keys:
.Ic k
for up,
.Ic j
for down,
.Ic h
for left, and
.Ic l
for right.
To switch between even and odd rows, use one of the following
keys:
.Ic u
.Pq diagonal right up ,
.Ic y
.Pq diagonal left up ,
.Ic b
.Pq diagonal left down ,
.Ic n
.Pq diagonal right down ;
.Aq Ic space
sets a new border,
.Ic CTRL-L
and
.Ic CTRL-R
redraw the screen, and
.Ic q
quits the game.
.Pp
Supported options are:
.Bl -tag -width XXnXngamesXXXXX
.It Fl a
Don't use the alternate character set.
.It Fl n Ar ngames
.Ar ngames
games will be played.
.Pq Especially useful in Fl p Ar cc No mode.
.It Fl p Ao Ar c|h Ac Ns Ao Ar c|h Ac
Select which of the two players is a human
or a computer.
The first argument is the first player;
.Ic c
stands for computer and
.Ic h
for human.
.It Fl w
Wait for a character press between games.
.El
.Pp
.Ar xdim
and
.Ar ydim
define the size of the board in the x and y
dimensions.
If the dimensions specified are
.Dv 0
then the maximum dimensions for the size of the screen are
used.
.Sh SEE ALSO
.Rs
.%A Elwyn R. Berlekamp
.%T The Dots and Boxes Game: Sophisticated Child's Play
.%D 2000
.%I A K Peters
.%U urn:ISBN:9781568811291
.Re
.Sh AUTHORS
.An Christos Zoulas
.Aq christos@NetBSD.org