单片机智能小车控制系统(原理图+设计方案) 第2页
    acall delaa
         setb p0.4
         setb p0.5
         mov sudu,#07h
         ajmp jiance
youzhuan:
         clr p0.6
         clr p0.7
         mov sudu,#05h
         acall delaa
         setb p0.7
         setb p0.6
         mov sudu,#07h
         ajmp jiance
    stop:
         acall delay
         jnb 25h,zhangai
         clr tr0
         mov a,fenmi
         mov fenmc,a
         mov a,#02h
         add a,fenmc
         mov fenmc,a
   here: cjne a,fenmi,here
         clr tr1
         setb p2.6
         acall delaa
         setb p2.7
         ajmp $
    st0:
        push acc
        push psw
        mov th0,#3ch
        mov tl0,#0b0h
        inc zhond
        mov a,#0ah
        cjne a,zhond,out
        mov zhond,#00h
        inc zhodu
        mov a,#02h
        cjne a,zhodu,miepo
        mov point,#0bh
        mov zhodu,#00h
        inc miao
        mov a,#0ah
        cjne a,miao,out
        mov miao,#00h
        inc fmiao
        mov a,#06h
        cjne a,fmiao,out
        mov fmiao,#00h
        inc fenzh
        mov a,#0ah
        cjne a,fenzh,out
        mov fenzh,#00h
        inc shifn
    out:
        call xianshi
   outb:
        pop psw
        pop acc
        reti
  miepo:
        mov point,#0ah
        ajmp out
    st1:
        push acc
        push psw
        inc zhon
        mov a,sudu
        cjne a,zhon,hig
        setb p2.7
        ajmp outi
    hig:
        mov a,#0ah
        cjne a,zhon,outi
        mov zhon,#00h
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        jc  youbh
        ajmp outb
    gao:
        setb 20h
        ajmp outb
  youbh:
        inc maicho
        mov a,jinweb
        cjne a,maicho,outb
        mov maicho,#00h
        inc bhcs
        mov a,#02h
        cjne a,bhcs,jici
        mov jinweb,#03h
   goon:inc limiw
        mov a,#0ah
        cjne a,limiw,out
        mov limiw,#00h
        inc fenmi

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