LED跳机控制程序

            jmp       main                 
 ;*****************延时子程序***********
 ;***************** 灯亮时间15ms********
   delay1:
            MOV     a,@140
            MOV     dly1,a
    lf0     MOV     a,@33
            MOV     dly2,a
    lf1    djz    dly2
           jmp    lf1
           djz    dly1
           jmp    lf0
           ret

 ;***************** 灯灭时间 ***********

 delay2: 
           MOV      a,time
           MOV      dly3,a
    lp3    MOV      a,@200
           MOV      dly1,a
    lp2    MOV      a,@50
           MOV      dly2,a

    lp1    djz    dly2
           jmp    lp1
           djz    dly1
           jmp    lp2
           djz    dly3
           jmp    lp3
           ret           
           end

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