Jinx wrote : > If you look in any .inc file you'll find it's all upper case. Hm, not *any* .inc file... Many (well, at least some) 18F*.INC files have symbols *both* in upper and lower case. If you untick the case sensitivines (?) in those cases, you'll get loads of "multiple defined symbol" or what ever the message was :-) Jan-Erik. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.