ORG OOH

MONITORING:

NO NEW DATA:
MOV R0,P0
CJNE A,R0,DISPLAY
MOVC A,@A+DPTR
MOV P2,A
MOV P1,A
JMP NO NEW DATA



DISPLAY:
MOV A,P0 ( input data)
MOV B,#10D
DIV AB
MOV DPTR,#lookup
ANL A,#0FH
MOVC A,@A+DPTR
MOV P2,A
MOV A,B
( here can be use directly B register ANL B,#0FH)
MOVC A,@A+DPTR
MOV P3,A


LOOKUP:
DB 3FH
DB 06H
DB 5BH
DB 4FH
DB 66H
DB 6DH
DB 7DH
DB 07H
DB 7FH
DB 67H

JMP MONITORING