#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
#define data P1
sbit ST=P3^0;
sbit OE=P3^1;
sbit EOC=P3^2;
sbit CLK=P3^3;
sbit S1=P3^4;
sbit S2=P3^5;
sbit S3=P3^6;
uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f} ;
uchar code table1[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xdf} ;
uint sum;
uchar getdata;
uchar num[4];
void delay(uint ms)
{
uchar i;
while(ms--)
for(i=0;i<120;i++);
}
void Display_Result()
{
P2=0xfe;//千位
P0=table1[num[3]];
delay(5);
P2=0xfd;//百位
P0=table[num[2]];
delay(5);
P2=0xfb;//十位
P0=table[num[1]];
delay(5);
P2=0xf7;//个位
P0=table[num[0]];
delay(5);
}
void init()
{
EA=1;
TMOD=0x01;
TH0=(65536-150)/256;
TL0=(65536-150)%256;
ET0=1;
TR0=1;
S1=0;
S2=0;
S3=1;
}
void main()
{
init();
while(1)
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