流水灯.zip

#include<reg51.h> void delay(unsigned int i) { unsigned char j; for( ;i>0;i--) for(j=244;j>0;j--); } void main() { unsigned char x,n; while(1){ x=0x01; for(n=0;n<8;n++){ P1=~x; delay(1000); x=x<<1; } } }