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