#include
//==========AD采樣模塊============//

//TLC1543?A/D用轉(zhuǎn)換用

#define?uint?unsigned?int
#define?uchar?unsigned?char

sbit?CLOCK=P1^0;
sbit?D_IN=P1^2;
sbit?D_OUT=?P1^3;
sbit?_CS=P1^6;
sbit?EOC=P3^2;
sbit?k4=P3^5;
sbit?k3=P3^4;
sbit?shu1=P2^0;
sbit?shu2=P2^1;
sbit?shuma=P2^6;

uint?read1543（uchar?port）;
void?delay（）;
void?scankey（）;
void?key4（）;
void?key3（）;

uchar?shugshus;
int?a;
unsigned?char?code?table[]={0x0C00x0F90x0A40x0B00x990x920x820x0F80x800x90};

void?scan（）
{		int?i;
		shu1=0;
		P0=0xaa;
		shus=a%10;
		shug=a/10;
		P2=0XFF;
		P0=table[shug];
		shu1=0;
		shuma=0;
		for（i=0;i<50;i++）;
		shu1=1;
		P2=0XFF;
		P0=table[shus];
		shu2=0;
		shuma=0;
		for（i=0;i<50;i++）;
		shu2=1;
		P2=0XFF;
}


void?timer0（void）?interr