> > Tony, why do some of your instructions include the ,A ? > > It's the 18XXXX "access bank" OK, thought it might have been something like that. It sounds like the group of 16 RAM locations across the top of the 877's banks -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body