> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of mossy173
> Sent: 08 June 2008 02:00
> To: piclist@mit.edu
> Subject: Re: [PIC] help! another newbie's code question
> 
> 
> Well, ok, this is the fun, rocky part of learning something new.
First,
> huge
> thanks to Bruce, I'm immensely grateful for the energy you're putting
into
> helping me.  I added the config line (could you please explain what it
> does?) to the file, programmed, stuck it in the circuit, and despite
being
> tested by someone else, it was still doing that "thing."  Then I
realized
> that I had the LED's between + on the batteries and the pin.  Now I
have
> them between the pin and ground, and it's working.  What was I doing
> before?

Just to check, you do have current limiting resistors in series with the
LED's don't you?  If not that could easily explain the Read-Modify-Write
issues since you'd be pulling too much current from the port pins and
dragging the voltage down (or up depending on LED connection).

Regards

Mike

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