MAIN BOARD PROGRAMMING

display1     movf DIGIT,w

                              xorlw A'A'

                              btfss STATUS,Z

                              goto CheckA

                              goto PAS1

CheckA                 movf DIGIT,w

                              xorlw A'B'

                              btfss STATUS,Z

                              goto CheckB

                              goto PAS2

CheckB                 call Insert                   

This example of programming that have been wrote in MPLAB. This program is activating when key ‘A’ and LCD will display ‘set password 1’. Then this programming is to scan the input have been key in by user. The process is looping 5 times because entered password is 5 bits.