#include<reg52.h> 
#define uchar unsigned char 
#define uint unsigned int 

sbit RCLK1=P3^0;
sbit SCLK=P3^1;
sbit SDA=P3^2;
uchar code num0[8]={0xff,0xe7,0xdb,0xdb,0xdb,0xdb,0xe7,0xff};
uchar code num1[8]={0xff,0xf7,0xe7,0xf7,0xf7,0xf7,0xe3,0xff};
uchar code num2[8]={0xff,0xe7,0xdb,0xfb,0xf7,0xef,0xc3,0xff};
uchar code num3[8]={0xff,0xe7,0xdb,0xf7,0xf7,0xdb,0xe7,0xff};
uchar code num4[8]={0xff,0xf7,0xe7,0xd7,0xd7,0xc3,0xf7,0xff};
uchar code num5[8]={0xff,0xc3,0xdf,0xe7,0xfb,0xdb,0xe7,0xff};
uchar code num6[8]={0xff,0xe7,0xdf,0xc7,0xdb,0xdb,0xe7,0xff};
uchar code num7[8]={0xff,0xc3,0xfb,0xf7,0xef,0xef,0xef,0xff};
uchar code num8[8]={0xff,0xe7,0xdb,0xe7,0xdb,0xdb,0xe7,0xff};
uchar code num9[8]={0xff,0xe7,0xdb,0xdb,0xe3,0xfb,0xe7,0xff};

void delay(uint);  
void Send_Byte(uchar d);
void main (void)
{
	uchar i,j; 
	uint k;
	P1 = 0;
	RCLK1=0;
	while(1)
	{	
	
		for(k=0;k<256;k++)
			{
				for (j=0;j<8;j++)
				{
            		Send_Byte(num0[j]);
            		Send_Byte(num1[j]);
            		RCLK1=0;
					i=7-j;   
            		P1=i;
            		RCLK1=1;
            		delay(1); 
				}
        	}   
         
     	 ///////////////////////////////////////////
		 for(k=0;k<256;k++)
			{
				for (j=0;j<8;j++)
				{
            		Send_Byte(num2[j]);
            		Send_Byte(num3[j]);
            		RCLK1=0;   
            		i=7-j;   
            		P1=i;
            		RCLK1=1;
            		delay(1); 
				}
        	}   
         
     	 ///////////////////////////////////////////
		 for(k=0;k<256;k++)
			{
				for (j=0;j<8;j++)
				{
            		Send_Byte(num4[j]);
            		Send_Byte(num5[j]);
            		RCLK1=0;   
            		i=7-j;   
            		P1=i;
            		RCLK1=1;
            		delay(1); 
				}
        	}   
         
     	 ///////////////////////////////////////////
		 for(k=0;k<256;k++)
			{
				for (j=0;j<8;j++)
				{
            		Send_Byte(num6[j]);
            		Send_Byte(num7[j]);
            		RCLK1=0;   
            		i=7-j;   
            		P1=i;
            		RCLK1=1;
            		delay(1); 
				}
        	}   
         
     	 ///////////////////////////////////////////
		 for(k=0;k<256;k++)
			{
				for (j=0;j<8;j++)
				{
            		Send_Byte(num8[j]);
            		Send_Byte(num9[j]);
            		RCLK1=0;   
            		i=7-j;   
            		P1=i;
            		RCLK1=1;
            		delay(1); 
				}
        	}   
	}
}

void Send_Byte(uchar d)
{
    uchar i = 8;
    while( i-- )
	{
        SCLK = 0;
        SDA = (bit)(d&0x80); 
        d = d<<1; 
        SCLK = 1; 
    }
}
void delay(uint t)  
{
    register uint bt;
    for(;t;t--)
    for(bt=0;bt<5;bt++);
}