On Fri, Aug 28, 2015 at 10:35 AM, Bob Ammerman wrot= e: > Oops, MSBit version should be: > > portbit =3D (output_byte & 0x80) !=3D 0; > > (I had the parentheses wrong) Hi Bob, Ah, I wondered why you had just the one variable in parentheses. I've not seen !=3D used as an operator though, only as a comparison. How does that work? Thanks! Josh --=20 A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .