#include<reg51.h>
#define uchar unsigned char
uchar code play_rom[6]={0x55,0xaa,0x0f,0xf0,0x99,0x66};
void delay(void)
{
uchar i,j,k;
for(i=10; i>0; i--) //外循环5次每次约0.1s，共延时1s
{
for(j=200; j>0; j--) //循环200次，每次约0.5ms共延时0.1
{
for(k=250; k>0; k--) //内部循环250次，延时约250*2us=0.5ms
{
{;}
}
}
}
}
void main(void)
{
uchar i=0;
while(1)
{
for(i=0; i<6; i++)
{
P1=play_rom[i]; //P1输出数组第i号元素
delay();
}
}
}
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