>> You mean you don't have the program broken up into modules >> so each module has its own window? > >Um, no. Explain please When your program has multiple modules then each source file has its own window within MPLAB, making it much easier to jump back and forth between them. Apart from this separating the code into modules like this makes re-use easier, and gives reasonable data abstraction. And I did mean to put a smiley on the previous post, sorry. -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body