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      ×îºó£¬×£´ó¼ÒÖÆ×÷³É¹¦£¡×£´ó¼ÒÖÆ×÷ÉýÖµ£¡£¨Èç¹û×öºÃÁËÄÜʵÓÃչʾ¹ã¸æ£¬¾Í¿ÉÒÔÉýÖµ£»Èç¹û×ö²»ºÃ£¬ÄǾͱä³ÉÒ»ÍÅÀ¬»ø£¬¹ºÂòÇ°Çë×Ðϸ¿¼ÂÇ£¡£©ÏÂÃæÊÇ¿ÉÒÔÔÚ±¾Ì×¼þÉÏÔËÐеÄÒ»¸öÀý×ÓÔ´³ÌÐò£º

       org 00h
        jmp cfg
        org 03h
        clr 00h
        reti
      cfg: ;setb ea
      ;  setb ex0
      ;  setb it0
        mov dptr,#tab
      MM00: CLR 00H
      mm: mov a,r2
        movc a,@a+dptr
      cpl a
      call hbit

        mov r4,a
        deC r2
        mov a,r2
        movc a,@a+dptr
      dec r2
        
        cpl a
      call hbit
      jb 01h,gr0
      mov p1,a
      mov p3,r4
      jmp gr00
      gr0:mov p2,a
      mov p0,r4
      gr00:
      djnz r6,$
      djnz r6,$
      ;djnz r6,$
      cjne r2,#0ffh,mmm
      mov p0,#0ffh
      mov p1,#0ffh
      mov p2,#0ffh
      mov p3,#0ffh
      jb 0e8h.3,$   ;¼ì²âÊÇ·ñµÍµçƽ
      mmm:  jb 0e8h.3,MM00   ;¼ì²âÊÇ·ñµÍµçƽ
        jb 00h,mm
        setb 00h
      mov r2,#0ffh
        inc dptr
        inc dptr
        inc dptr
        inc dptr
      mov a,dph
      cjne a,#tab2/256,e0d
        mov dptr,#tab
      cpl 01h
      e0d: jmp mm
      hbit:  ;ÕâÊÇÒ»¸öλ½»»»×Ó³ÌÐò£¬ÓÃÀ´ÊµÏÖ×Öµ¹×ÅÏÔʾ»òÕßÕý×ÅÏÔʾ£¬µ¹×ÅÏÔʾʱÊʺϵ綯»úÔÚÉÏÃæ¹ÒÆðÀ´°²×°µÄÇé¿ö¡£
      mov c,acc.0
      mov b.7,c
      mov c,acc.1
      mov b.6,c
      mov c,acc.2
      mov b.5,c
      mov c,acc.3
      mov b.4,c
      mov c,acc.4
      mov b.3,c
      mov c,acc.5
      mov b.2,c
      mov c,acc.6
      mov b.1,c
      mov c,acc.7
      mov b.0,c
      mov a,b
      ret
       

      org 200h;org 300h£¬ÏÂÃæÊÇÏÔʾµÄÊý¾ÝÄÚÈÝ£¬ÊÇÓñ¾Õ¾Èí¼þ×Ô¶¯Éú³ÉµÄ¹©Â룬Çë×ÔÐÐÐ޸ģ¬ÆäÖеÄ0000000000Êý¾ÝÊǼӽøÈ¥µÄ¿Õ°×´úÂ룬ÓÃÀ´ÏÔʾ¿ªÍ·ºÍ½áβµÄ¿Õ°×;;¡­¡­¡­¡­¡­¡­Êý¾ÝÄÚÈÝÊ¡ÂÔ£¬ÇëÓñ¾Õ¾µÄ×Ô¶¯ÊýÂë´úÂë³ÌÐò×Ô¶¯Éú³ÉÒ¡Ò¡°ô¡¢LEDµãÕó´úÂëÉú³ÉÏÂÔØÆ÷
      tab:
      db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
      db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
      db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
      db 00h,04h,40h,04h,41h,04h,41h,04h
      db 41h,04h,41h,0fch,7fh,04h,41h,04h
      db 41h,04h,41h,04h,43h,0fch,41h,04h
      db 40h,04h,00h,0ch,00h,04h,00h,00h
      db 00h,00h,01h,00h,01h,00h,01h,00h
      db 01h,00h,01h,00h,01h,00h,01h,00h
      db 01h,00h,01h,00h,01h,00h,01h,00h
      db 01h,00h,03h,00h,01h,00h,00h,00h
      db 00h,00h,00h,00h,1fh,0f0h,12h,20h
      db 12h,20h,12h,20h,12h,20h,0ffh,0fch
      db 12h,22h,12h,22h,12h,22h,12h,22h
      db 1fh,0f2h,00h,02h,00h,0eh,00h,00h
      db 00h,80h,00h,80h,40h,80h,40h,80h
      db 40h,80h,40h,82h,40h,81h,47h,0feh
      db 48h,80h,50h,80h,60h,80h,40h,80h
      db 00h,80h,01h,80h,00h,80h,00h,00h
      db 10h,04h,1fh,0fch,00h,84h,01h,00h
      db 01h,00h,01h,04h,00h,0fch,00h,04h
      db 00h,00h,01h,00h,01h,00h,07h,0f8h
      db 01h,04h,01h,04h,00h,00h,00h,00h
      db 00h,00h,01h,00h,01h,00h,07h,0f8h
      db 01h,04h,01h,04h,00h,00h,00h,00h
      db 01h,01h,01h,0ffh,00h,85h,01h,04h
      db 01h,04h,00h,88h,00h,70h,00h,00h
      db 00h,00h,00h,00h,00h,00h,03h,0ch
      db 03h,0ch,00h,00h,00h,00h,00h,00h
      db 00h,00h,00h,06h,00h,18h,00h,60h
      db 01h,80h,06h,00h,18h,00h,20h,00h
      db 00h,00h,00h,06h,00h,18h,00h,60h
      db 01h,80h,06h,00h,18h,00h,20h,00h
      tab1:db 01h,0f0h,01h,0ch,00h,30h,01h,0c0h
      db 00h,30h,01h,0ch,01h,0f0h,01h,00h
      db 01h,0f0h,01h,0ch,00h,30h,01h,0c0h
      db 00h,30h,01h,0ch,01h,0f0h,01h,00h
      db 01h,0f0h,01h,0ch,00h,30h,01h,0c0h
      db 00h,30h,01h,0ch,01h,0f0h,01h,00h
      db 00h,00h,00h,0ch,00h,0ch,00h,00h
      db 00h,00h,00h,00h,00h,00h,00h,00h
      db 00h,00h,1fh,98h,10h,84h,11h,04h
      db 11h,04h,10h,88h,10h,70h,00h,00h
      ;¡­¡­¡­¡­¡­¡­Êý¾ÝÄÚÈÝÊ¡ÂÔ£¬ÇëÓñ¾Õ¾µÄ×Ô¶¯ÊýÂë´úÂë³ÌÐò×Ô¶¯Éú³ÉÒ¡Ò¡°ô¡¢LEDµãÕó´úÂëÉú³ÉÏÂÔØÆ÷
      tab2:end

       

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