LIST P=18F4520 ;directive to define processor
#include <P18F4520.INC>;CPU specific variable definitions
ORG 0x0000 ;code origin, program start from here
Main: movlw 0x27 ;Load 27H to WREG
addlw 0x32 ; Add 32H to WREG
addlw 0x7F ; Add 7FH to WREG
nop ; Do nothing
nop ; Do nothing
bra Main ; Goto the instruction labelled by Main
nop
END