new.asm

定时器的应用

        ORG   0000H
        LJMP  START
TABLE:DB     3FH,18H,76H,7CH,59H,6DH,6FH,38H,7FH,7DH,7AH
      DB     4FH,27H,5EH,6FH,63H
START:  MOV  R0,#00H
LOOP:   ;MOV  P1,#00H
        MOV  R3,#03H
        MOV  A,R0
        CPL  A
        MOV  R1,A
        MOV  A,R0
        MOV  DPTR,#TABLE
        MOVC  A,@A+DPTR
        MOV   P1,#00H
        MOV   P2,R1
        MOV   P1,A
LOOP2:  MOV   R2,#0FFH
LOOP1:  DEC   R2
        CJNE  R2,#00H,LOOP1
        DEC   R3
        CJNE  R3,#00H,LOOP2
	INC   R0
	CJNE  R0,#08H,LOOP
        ;DJNZ  R0,LOOP
        LJMP  START
        END