I haven't read all the responses, but I have so far seen two that came up
with
my friend's fastest method:  two crosswired I/O ports.

(Quoted from Wouter)

>2. Write to a port, read back from another port with appropriate wiring
>between the ports

>3. hardware tricks are not allowed? I did not hear you say so! But you
>could always use a RETLW table.

That's why I didn't specify they aren't allowed!  I just think it's an
interesting
example of "thinking outside the box".  I did specify the PIC, because that
trick
won't work (at least, not as easily) on a lower pinout package.

Mike H.

_________________________________________________________________
The new MSN 8: advanced junk mail protection and 2 months FREE*
http://join.msn.com/?page=features/junkmail

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu