On Mar 24, 2010, at 9:00 PM, Gerhard Fiedler wrote: > You say that it is "proven", that it does what it says on the tin, > but how does one know? Indeed. For example, the code needs modifications for pic18, which may or may not have been obvious from comments, I liked it. It was short enough, and straight forward enough (though slightly tricky) that figuring out what it was doing was ... fun. BillW -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist