8051

org 0000h                   ;Starting location

ljmp start                     ;Jump to location 0050h to skip interrupt locations

start:

org 0050h                   ;location 0050

mov a,#05h                 ;move the value 05h to Accumulator

add a,#02h                  ;add the value 02h with the content in Accumulator (05 + 02)

mov r0,a                     ;move the value in accumulator to register r0

end                             ;end of program