Path: utzoo!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!think.com!paperboy!osf!flowers
From: flowers@osf.osf.org (Ken Flowers)
Newsgroups: comp.text
Subject: A towers troff hack
Message-ID: <19661@paperboy.OSF.ORG>
Date: 6 Mar 91 16:05:59 GMT
Sender: news@OSF.ORG
Lines: 295

With all the recent talk of Towers of Hanoi programs
in editors, I thought I would submit a little hack
I wrote.  This is an interactive TOH hack in troff.

Save the first file as tower.main

Save the second file as tower.loop

execute it by entering -

      nroff -q tower.main

Standard disclaimers apply,

Ken Flowers

+++++++++++++++++++CUT HERE - tower.main++++++++++++++
...\"
...\" THE TOWERS OF TROFF
...\"
...\" A troff hack by Ken Flowers
...\" Main file
...\"
...\" Invoke this game with the following command:
...\"
...\"    nroff -q tower.main
...\"
.ds 0 "        |        
.ds 1 "        -        
.ds 2 "       ---       
.ds 3 "      -----      
.ds 4 "     -------     
.ds 5 "    ---------    
.ds 6 "   -----------   
.ds 7 "  -------------  
.ds B "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
.ds N "X       1                2                3       X
.nr 11 7
.nr 21 6
.nr 31 5
.nr 41 4
.nr 51 3
.nr 61 2
.nr 71 1
.nr 12 0
.nr 22 0
.nr 32 0
.nr 42 0
.nr 52 0
.nr 62 0
.nr 72 0
.nr 13 0
.nr 23 0
.nr 33 0
.nr 43 0
.nr 53 0
.nr 63 0
.nr 73 0
.de 12
.d1
.i2
..
.de 13
.d1
.i3
..
.de 23
.d2
.i3
..
.de 21
.d2
.i1
..
.de 32
.d3
.i2
..
.de 31
.d3
.i1
..
.de d1
.nr mv 0
.if '\\n(mv'0' \{
.nr mv \\n(71
.nr 71 0\}
.if '\\n(mv'0' \{
.nr mv \\n(61
.nr 61 0\}
.if '\\n(mv'0' \{
.nr mv \\n(51
.nr 51 0\}
.if '\\n(mv'0' \{
.nr mv \\n(41
.nr 41 0\}
.if '\\n(mv'0' \{
.nr mv \\n(31
.nr 31 0\}
.if '\\n(mv'0' \{
.nr mv \\n(21
.nr 21 0\}
.if '\\n(mv'0' \{
.nr mv \\n(11
.nr 11 0\}
.if '\\n(mv'0' bad move
..
.de d2
.nr mv 0
.if '\\n(mv'0' \{
.nr mv \\n(72
.nr 72 0\}
.if '\\n(mv'0' \{
.nr mv \\n(62
.nr 62 0\}
.if '\\n(mv'0' \{
.nr mv \\n(52
.nr 52 0\}
.if '\\n(mv'0' \{
.nr mv \\n(42
.nr 42 0\}
.if '\\n(mv'0' \{
.nr mv \\n(32
.nr 32 0\}
.if '\\n(mv'0' \{
.nr mv \\n(22
.nr 22 0\}
.if '\\n(mv'0' \{
.nr mv \\n(12
.nr 12 0\}
.if '\\n(mv'0' bad move
..
.de d3
.nr mv 0
.if '\\n(mv'0' \{
.nr mv \\n(73
.nr 73 0\}
.if '\\n(mv'0' \{
.nr mv \\n(63
.nr 63 0\}
.if '\\n(mv'0' \{
.nr mv \\n(53
.nr 53 0\}
.if '\\n(mv'0' \{
.nr mv \\n(43
.nr 43 0\}
.if '\\n(mv'0' \{
.nr mv \\n(33
.nr 33 0\}
.if '\\n(mv'0' \{
.nr mv \\n(23
.nr 23 0\}
.if '\\n(mv'0' \{
.nr mv \\n(13
.nr 13 0\}
.if '\\n(mv'0' bad move
..
.de i1
.if '\\n(11'0' \{
.nr 11 \\n(mv
.nr mv 0\}
.if '\\n(21'0' \{
.nr 21 \\n(mv
.nr mv 0\}
.if '\\n(31'0' \{
.nr 31 \\n(mv
.nr mv 0\}
.if '\\n(41'0' \{
.nr 41 \\n(mv
.nr mv 0\}
.if '\\n(51'0' \{
.nr 51 \\n(mv
.nr mv 0\}
.if '\\n(61'0' \{
.nr 61 \\n(mv
.nr mv 0\}
.if '\\n(71'0' \{
.nr 71 \\n(mv
.nr mv 0\}
.if !'\\n(mv'0' bad move
..
.de i2
.if '\\n(12'0' \{
.nr 12 \\n(mv
.nr mv 0\}
.if '\\n(22'0' \{
.nr 22 \\n(mv
.nr mv 0\}
.if '\\n(32'0' \{
.nr 32 \\n(mv
.nr mv 0\}
.if '\\n(42'0' \{
.nr 42 \\n(mv
.nr mv 0\}
.if '\\n(52'0' \{
.nr 52 \\n(mv
.nr mv 0\}
.if '\\n(62'0' \{
.nr 62 \\n(mv
.nr mv 0\}
.if '\\n(72'0' \{
.nr 72 \\n(mv
.nr mv 0\}
.if !'\\n(mv'0' bad move
..
.de i3
.if '\\n(13'0' \{
.nr 13 \\n(mv
.nr mv 0\}
.if '\\n(23'0' \{
.nr 23 \\n(mv
.nr mv 0\}
.if '\\n(33'0' \{
.nr 33 \\n(mv
.nr mv 0\}
.if '\\n(43'0' \{
.nr 43 \\n(mv
.nr mv 0\}
.if '\\n(53'0' \{
.nr 53 \\n(mv
.nr mv 0\}
.if '\\n(63'0' \{
.nr 63 \\n(mv
.nr mv 0\}
.if '\\n(73'0' \{
.nr 73 \\n(mv
.nr mv 0\}
.if !'\\n(mv'0' bad move
..
\&
.sp 5
\*\n(71\*\n(72\*\n(73
.br
\*\n(61\*\n(62\*\n(63
.br
\*\n(51\*\n(52\*\n(53
.br
\*\n(41\*\n(42\*\n(43
.br
\*\n(31\*\n(32\*\n(33
.br
\*\n(21\*\n(22\*\n(23
.br
\*\n(11\*\n(12\*\n(13
.br
\*B
.br
\*N
.br
\*B
.br
.fl
.nx tower.loop
+++++++++++++++++++CUT HERE - tower.loop++++++++++++++
...\"
...\" THE TOWERS OF TROFF
...\"
...\" A troff hack by Ken Flowers
...\" Loop file
...\"
.sp
enter move (.12, .13, .21, .23, .31, .32, .ex)
.br
include the "."
.br
type two returns when finished
.sp
.br
.fl
.rd
.fl
\&
.sp 5
\*\n(71\*\n(72\*\n(73
.br
\*\n(61\*\n(62\*\n(63
.br
\*\n(51\*\n(52\*\n(53
.br
\*\n(41\*\n(42\*\n(43
.br
\*\n(31\*\n(32\*\n(33
.br
\*\n(21\*\n(22\*\n(23
.br
\*\n(11\*\n(12\*\n(13
.br
\*B
.br
\*N
.br
\*B
.br
.fl
.nx tower.loop