Merge branch 'vendor/GMP'
[dragonfly.git] / games / worm / worm.6
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1.\" Copyright (c) 1989, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.
9.\" 2. Redistributions in binary form must reproduce the above copyright
10.\" notice, this list of conditions and the following disclaimer in the
11.\" documentation and/or other materials provided with the distribution.
6693db17 12.\" 3. Neither the name of the University nor the names of its contributors
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13.\" may be used to endorse or promote products derived from this software
14.\" without specific prior written permission.
15.\"
16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26.\" SUCH DAMAGE.
27.\"
28.\" @(#)worm.6 8.1 (Berkeley) 5/31/93
29.\" $FreeBSD: src/games/worm/worm.6,v 1.3.2.1 2001/07/22 11:01:24 dd Exp $
7c875856 30.\" $DragonFly: src/games/worm/worm.6,v 1.3 2005/08/01 00:35:08 swildner Exp $
984263bc 31.\"
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32.Dd May 31, 1993
33.Dt WORM 6
34.Os
35.Sh NAME
36.Nm worm
37.Nd play the growing worm game
38.Sh SYNOPSIS
39.Nm
40.Op Ar size
41.Sh DESCRIPTION
984263bc 42In
7c875856 43.Nm ,
984263bc 44you are a little worm, your body is the "o"'s on the screen
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45and your head is the "@".
46As in the game
47.Xr snake 6
48you move with the hjkl keys.
49If you don't press any keys, you continue in the direction you
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50last moved. The upper case HJKL keys move you as if you had pressed
51several (9 for HL and 5 for JK) of the corresponding lower case key
52(unless you run into a digit, then it stops).
7c875856 53.Pp
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54On the screen you will see a digit, if your worm eats the digit is will
55grow longer, the actual amount longer depends on which digit it was
56that you ate. The object of the game is to see how long you can make
57the worm grow.
7c875856 58.Pp
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59The game ends when the worm runs into either the sides of the screen,
60or itself. The current score (how much the worm has grown) is kept in
61the upper left corner of the screen.
7c875856 62.Pp
984263bc 63The optional argument, if present, is the initial length of the worm.
7c875856 64.Sh BUGS
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65If the initial length of the worm is set to less than one or more
66than 75, various strange things happen.