> is PC the Program Counter?

Yes.

> And what can one do with it?

The PC tells the processor where to get the next instruction from.  You can
modify the PC explicitly by setting up PCLATH and writing to PCL.  There are
lots of issues here.  Read the docs carefully.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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