ORG 0

    CLR P1.3
    CLR P1.2
    CLR P1.1
    CLR P1.0
    mov R0, #36

start:
    MOV A, R0
    MOV B, #10
    DIV AB
    MOV R2, A
    MOV R1, B

    SETB P1.0
    MOV DPTR, #tab
    MOV A, R1
    MOVC A, @A+DPTR
    MOV P0, A
    CLR P1.0

    MOV P0, #11111111b

    SETB P1.1
    MOV DPTR, #tab
    MOV A, R2
    MOVC A, @A+DPTR
    MOV P0, A
    CLR P1.1

    MOV P0, #11111111b

    CLR P1.1
    CLR P1.0

    MOV P0, #11111111b

    SJMP start;

END

tab:
        db 11000000b ;0
        db 11111001b ;1
        db 10100100b ;2
        db 10110000b ;3
        db 10011001b ;4
        db 10010010b ;5
        db 10000010b ;6
        db 11111000b ;7
        db 10000000b ;8
        db 10010000b ;9