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#include "reg51.h"
#define uchar unsigned char
#define uint unsingned int
#define LED P0
uchar tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//數(shù)碼管碼表
uchar num,t,shi,ge;
//------------------------------------
void init();//定時(shí)器初始化
void timer0();//
void display();//顯示
void delay(uchar);

sbit KEY1 = P3^6;//開(kāi)始
sbit KEY2 = P3^7;//復(fù)位

void main()//主函數(shù)入口
{
 init();//初始化
 while(1)
 {
  timer0();//查詢時(shí)間
  display();//顯示