;********WAVE-E6000/T************************************
;*MCU:          AT89C51                                 *
;*MCU-crystal:  6M                                      *
;*Version:      00                                      *
;*Last Updata:                                          *
;*Author:       www.picavr.com                          *
;*Description:  P2口數碼管順序循環(huán)點亮                  *
;********************************************************
#include <reg51.h>
unsigned int i,j;
unsigned char a,k;
sbit bb=P3^7;

delay(i)
 { while(i--)
    { j=7650;while(j--);}
 }
 
void main(void)
 { while(1)
    { a=1;P2=~a;delay(10);
      for(k=1;k<8;k++)
       { a=2*a;
         P2=~a;
         delay(10);
       }
      bb=0;delay(1);bb=1;
    }
}