> Just wondered, what's the difference between 'W' and 'w' in MPLAB SIMM? > > Mircea Chiriciuc > EMCO INVEST > For some reason, known only to Microchip, both 'W' and 'w' are available in the list of registers for the watch window. However, if you try to watch 'W' you will see a register whose value never changes. Using 'w' works fine. This probably has something to do with the fact that W isn't a normal file register and doesn't have a normal address (at least on 12 and 14 bit cores). Bob Ammerman RAm Systems -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body