Ok, I've finally written my code, debugged, and am ready to compile it so that I can start to test it. I'm using the PIC C demo version so that my poor college project budget isn't spent on one part but I realized that I am unable to compile for my 16C505 because the FULL Demo does not have the 16505 header file. Before I went out and tried to write my own header I was wondering if anyone that is using the full version if they could send me the 16505.h file in their PIC C directory. I hope that will solve my problem. P.S. If High-Tech objects to this, I apologize, but I thought Full demo ment, well, full.