ON 20031006@7:51:15 AM at page:
http://www.piclist.com/techref/microchip/math/bit/rotnib.htm
JMN-EFP-786 James Newton archive reference
http://www.piclist.org/techref/postbot.asp?by=time&id=piclist/2003/10/06/011507a
PICList post "<I>Rotate a 1 in high nibble</I>"