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標題: 匯編流水燈 [打印本頁]

作者: 學習使我快樂丶 時間: 2017-12-13 20:48
標題: 匯編流水燈
      ORG    0000H
      LJMP    START
      ORG    0100H
START: MOV    A,#0FEH
LOOP: MOV    P1,A
      MOV    R2,#25H
      LCALL    DELAY
      RL       A
      LJMP    LOOP
DELAY: PUSH    02H
LP1:    PUSH    02H
LP2:    PUSH    02H
LP3:    DJNZ    R2,LP3
      POP    02H
      DJNZ    R2,LP2
      POP    02H
      DJNZ    R2,LP1
      POP    02H
      DJNZ    R2,DELAY
      RET
      END

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