求助！用8051與8155做一個8個LED燈間隔閃爍切換依次點(diǎn)亮程序

START:   MOV        R0,#12
              MOV        A,#00H
LOOP:     MOV        P1,A
              ACALL     DELAY
              CPL         A
             DJNZ       R0,LOOP
             MOV        R1,#3 
LOOP1:  MOV        R3,#00H
LOOP2:  MOV        A,R3
             MOV       DPTR,#TABLE
             MOVC     A,@A+DPTR
             CJNE      A,#00H,LOOP3
             DJNZ     R1,LOOP1
             JMP        START
LOOP3:   MOV       P1,A
             ACALL    DELAY
             INC        R3 
             JMP        LOOP2
             RET
DELAY:  MOV       R5,#50
D1:       MOV       R6,#100
D2:       MOV       R7,#100
            DJNZ      R7,$
            DJNZ      R6,D2
            DJNZ      R5,D1
            RET
TABLE: DB         7FH,3FH,1FH,0FH,07H,03H,01H
           DB          00H
           END