>>A colleague is having trouble with code that runs fine on the 18C but >>not on the 18F. We know about the LVP config bit difference. > Is he using Mplab ice 2000? > I think there are some 'emulation limitations' for 18F not present for > 18C. Yes, but he gets the same problem with the emulator and with a programmed chip. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.