#include <reg52.h>
void main(void)
{
	//定義一些隨機(jī)數(shù)據(jù)，數(shù)據(jù)存放在片內(nèi)CODE 區(qū)中
	unsigned char code date[]={
	0xFF,0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,
	0x7F,0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,
	0xFE,0xFF,0xFF,0xFE,0xFC,0xF8,0xF0,0xE0,
	0xC0,0x80,0x0,0xE7,0xDB,0xBD,0x7E,0xFF};
	unsigned int a; //定義循環(huán)用的變量
	unsigned char b;
	unsigned char code * finger; //定義基于CODE 區(qū)的指針
	do
	{
		finger = &date[0]; //取得數(shù)組第一個(gè)單元的地址
		for (b=0;b<32;b++)
		{
			for(a=0; a<30000; a++); //延時(shí)一段時(shí)間
			P1 = *finger; //從指針指向的地址取數(shù)據(jù)到 P1 口
			finger++; //指針加一，
		}
	}
	while(1);
}