我这个程序哪里错了 keil程序

Question

   #include<AT89X52.H>

   #define uchar unsigned char;

   #define uint unsigned int;

   uchar  count;

   uint disnum;

   sbit dula=P2^6;

   sbit wela=P2^7;

   uchar code tabledu[]={

 0x3f,0x06,0x5b,0x4f,

 0x66,0x6d,0x7d,0x07,

 0x7f,0x6f,0x77,0x7c,

 0x39,0x5e,0x79,0x71};

    display(uchar,uchar,uchar);

delay(uchar);

     void main()

      {

   EA=1;

   ET1=1;

TMOD=0X10;

TH1=(65536-50000)/256;

TL1=(65536-50000)%256;

TR1=1;

while(1)

 {

if(count==10)//控制显示速度

 {

  count=0;

  if(disnum==1000)

  disnum=0;

  

  disnum++;

 }

 display(disnum/100,disnum%100/10,disnum%10 );

 }

        }

 

 void time1() interrupt 3

  {

TH1=(65536-50000)/256;//50ms

T1= (65536-50000)%256;//50ms

count++;

  }

 display(uchar bai,uchar shi,uchar ge)

{

 P0=tabledu[bai];

 dula=1;

 dula=0;

 P0=0xfe;

 wela=1;

 wela=0;

 delay(10);

 P0=tabledu[shi];

 dula=1;

 dula=0;

 P0=0xfd;

 wela=1;

 wela=0;

 delay(10);

 P0=tabledu[ge];

 dula=1;

 dula=0;

 P0=0xfb;

 wela=1;

 wela=0;

 delay(10);

}

 delay(uchar x)

  {

    uchar a,b;

  for(a=x;a>0;a--)

for(b=200;b>0;b--);

  }

  

Answer 1

这程序看着好熟悉，单片机哪本书上的