单片机,定时器的应用,段选,位选

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

void delay(uint Z);

uchar code table[]={   //结构体
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};

uchar temp,numdu,shi,ge;

sbit dula=P2^6;
sbit wela=P2^7;

void main()
{
    temp=12;
    numdu=0;
 /*   TMOD=0x01;    //选择t0
 TH0=(65536-50000)/256;  //给高8位给值
    TL0=(65536-50000)%256;  //给低8位给值
 EA=1;                   //开总定时器中断
 ET0=1;                  //开定时器0中断
    TR0=1;