最简单的跑马灯程序

源程序

#include<REG52.H>#define uint unsigned int void delay(uint t){while(t-->0);}void main(){ P0=0xFE;while(1){delay(500);P0 = (P0<<1)|0x01;if(P0==0x7F){delay(500);P0=0xFE;} }} 

仿真文件