$MOD842

ORG 00H
    JMP START

ORG 33H
    MOV A, ADCDATAH
    ANL A, #0Fh
    RL A
    RL A
    RL A
    RL A
    MOV B, A
    MOV A, ADCDATAL
    ANL A, #0F0h
    RR A
    RR A
    RR A
    RR A
    ORL A,B

    MOV B, #10
    DIV AB
    ANL B, #0Fh
    MOV R0,B

    MOV B, #10
    DIV AB
    ANL B, #0Fh
    ORL B, #10h
    MOV R1, B

    ANL A, #0Fh
    ORL A, #20h
    MOV R2, A
    RETI

START:
    MOV IE,#0C0h
    MOV ADCCON1,#82h
    SETB TR2

PETLA:
    MOV P2, R0
    CALL DELAY
    MOV P2, R1
    CALL DELAY
    MOV P2, R2
    CALL DELAY
    JMP PETLA

DELAY:
        MOV R4,#10h
 DLY0:      MOV R5,#10h
 DLY1:      MOV R6,#10h
        DJNZ    R6,$
        DJNZ    R5,DLY1
        DJNZ    R4,DLY0
        RET

END