Hello John .

> But the "addwf" isn't executed.  The "incfsz" increments the $FF to zero,
> and thus skips the following instruction (the add).

John . Please excuse me my dummy obstinacy ;)
I was not look carefully into your code and
I was think about INCF operation not INFSZ . ;(

So , I was wrong stupid one .

> But if you know the right magic you can save cycles.

Faster than your example I really don't know .

WBR Dmitry.