From: Adam Shelly <adam.shelly@...>
Date: 2008-05-10T06:39:32+09:00
Subject: Re: The Turing Machine (#162)

On 5/9/08, Chris Shea <cmshea@gmail.com> wrote:
> I created another program for our Turning machines that reverses a
> string of zeros and ones.
...
> I hope others share some.
>
Here's a simple one.

$ cat add1.rb
#adds 1 to a binary number
seekLSB 1 seekLSB 1 R
seekLSB 0 seekLSB 0 R
seekLSB _ add1    _ L
add1    1 add1    0 L
add1    0 done    1 L
add1    _ done    1 L

$ruby turing.rb add1.rb 0
1
$ruby turing.rb add1.rb 1011
1100

-Adam