I wrote Hello World for my relay computer- only 27 lines (uses self modified code, same as Jack!):<p><a href="http:&#x2F;&#x2F;relaysbc.sourceforge.net&#x2F;example-code.html" rel="nofollow">http:&#x2F;&#x2F;relaysbc.sourceforge.net&#x2F;example-code.html</a>