#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar code table[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
//延时子程序
void delay(uint time)
{
while(--time);
}
//主程序
void main(void)
{
uchar i=0;
while(1)
{
for(i=0;i<8;i++)
{
P2=table[i];
delay(1000);
}
}
}