> i don't know how to use indirect address in pic16f84. > any one can send me an example of indirect addressing routine. Open the data sheet and read about the FSR and INDF registers. ******************************************************************** Olin Lathrop, embedded systems consultant in Littleton Massachusetts (978) 742-9014, olin@embedinc.com, http://www.embedinc.com -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics