>I have some asm source code that has many references >that are not found in the P18F8520.INC file, IIRC there was some discussion on this recently. It would appear that a whole heap of macros or declares of old 16 series mnemonics which were there to help port code from 16 series chips have been removed. You will need to determine the correct 18 series mnemonics to use. >and it starts off with an ORG 0x05 statement, >which appears to be a Bad Thing (not word aligned). Correct. Code must aligned on even boundaries. -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body