I wrote - > ADCON1 is in Bank1 (address is between 0x7f and 0x90) I beg your pardon, between 0x7f and 0x100 (really didn't do that on purpose, but it shows just how easy it is to make a mistake) -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist