#include <reg52.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
uchar code DSY_CODE[]=
{
0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,0xff
};
void DelayMS(uint x)
{
uchar t;
while(x--)
for(t=120;t>0;t--);
}
void main()
{
uchar i=0;
P0=0x00;
while(1)
{
P0=~DSY_CODE[i];
i=(i+1)%16;/*显示0-f*/
DelayMS(400);
}
}