#include <reg51.h> #define LED P2 //重命名 void load(unsigned int timer) //延时函数 { unsigned int a; unsigned int b; for(a=0;a<timer;a++)for(b=0;b<timer;b++); } void main() { unsigned int c; unsigned int d; LED=0xfe; // 11111110 while(1) { for(c=0;c<8;c++) ...