基于C51实现从左到右的流水灯.zip

#include <reg52.h> #include <intrins.h> #define uchar unsigned char #define uint unsigned int void DelayMS(uint x) { uchar i; while(x--) { for(i=120;i>0;i--); } } void main() { P0 = 0xFE; while(1) { P0 = _crol_(P0,1); //左移函数 DelayMS(150); } }