单片机汇编语言流水灯程序

ID:937205 · 发表于 2021-6-13 21:27

            JB 00H,SUBR
            ADDR:
                     INC R0
                     CJNE R0,#09H,LOOP
                     MOV R0,#00H
                     AJMP LOOP
            SUBR:
                     DEC R0
                     CJNE R0,#0FFH,LOOP
                     MOV R0,#08H
                     AJMP LOOP
DELAY:
      MOV TH0,#0D8H
      MOV TL0,#0F0H
      MOV R7,#00H
      SETB TR0
      TIMELOOP: CJNE R7,#64H,TIMELOOP
      CLR TR0
      RET
DATAS:
DB 00H,01H,02H,04H,08H,10H,20H,40H,80H
END

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