keil软件用单片机控制8个LED流水灯来回点亮 C语言程序（keil模拟仿真如何输入led灯代码）

//==============================//8个LED 闪烁//-------------------------------------#include <reg51.h>#include <intrins.h>#define uchar unsigned char#define uint unsigned int//--------------------------------void DelayMS(uint ms){ uchar t; while(ms--) for (t=0;t<120;t++);}//----------------------------------void main(){ P2= 0xfe; while (1) { P2 =_crol_(P2,1); DelayMS(200); }}