新建 文本文档.asm

定时器的应用

     ORG   0040H
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  P2,#00H
        MOV  R1,#08H
        MOV  A,R1
        ADD  A,R0
        MOV  R1,A
        MOV  A,R0
        MOV  DPTR,#TABLE
        MOVC  A,@A+DPTR
        MOV   P2,A
        MOV   P1,R1
        INC   R0
        CJNE  R0,#08H,LOOP
        ;MOV   A,R0
	;CJNE  A,#08H,LOOP
        LJMP  START
        END