# include & ltreg52.h & gt
# include & ltintrins.h & gt
#定義uchar無符號字符
#定義uint無符號整數
uchar代碼表_OF_Digits[]=
{
0x00,0x3e,0x41,0x41,0x41,0x3e,0x00,0x00,
0x00,0x00,0x00,0x21,0x7f,0x01,0x00,0x00,
0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00,
0x00,0x22,0x49,0x49,0x49,0x36,0x00,0x00,
0x00,0x0c,0x14,0x24,0x7f,0x04,0x00,0x00,
0x00,0x72,0x51,0x51,0x51,0x4e,0x00,0x00,
0x00,0x3e,0x49,0x49,0x49,0x26,0x00,0x00,
0x00,0x40,0x40,0x40,0x4f,0x70,0x00,0x00,
0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00,
0x00,0x32,0x49,0x49,0x49,0x3e,0x00,0x00,
};
uchar i=0,t=0,Num _ Index = 0;
void main()
{
P3 = 0x 80;
num _ Index = 0;
TMOD = 0x 00;
TH0 =(8192-2000)/32;
TL0 =(8192-2000)% 32;
TR0 = 1;
IE = 0x82
while(1);
}
void LED_Screen_Display()中斷1
{
TH0 =(8192-2000)/32;
TL0 =(8192-2000)% 32;
P3 = _crol_(P3,1);
P0 = ~數字表[數字索引* 8+I];
if(++I = = 8)I = 0;
如果(++t == 250)
{
t = 0x00
if(++Num _ Index = = 10)Num _ Index = 0;
}
}