大家看看我编的程序，这到底是怎么了？

kings185100 2007-12-30 17:51 楼主

#include
#define uchar unsigned char
#define uint  unsigned int
void led_display(void);
void delay(uint tc);
void  init_at89c52(void);
void time_count(void);
sbit number0=P1^0;
sbit number1=P1^1;
sbit number2=P1^2;
uint count;
uchar time;
unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07, 0x7f,0x6f,};

void main(void)
{
  init_at89c52();
  time_count();
  while(1)
  {
       led_display();
}
}

void init_at89c52()
{
  TMOD=0x10;    //定时器T0，允许使用，定时方式,模式1
  TH0=0;TL0=0;    //计数器初值为0
  TR0=0;
  //P3_2=0;
}

void led_display(void)
{
  uchar time;
  //count=12300;
  time=count/100;
  number2=0; number1=1; number0=1;
  P0=table[time/100];
  delay(5);
  number2=1; number1=0; number0=1;
  P0=table[(time-100*(time/100))/10]|0x80;
  delay(5);
  number2=1; number1=1; number0=0;
  P0=table[time%10];
  delay(5);
  number2=1; number1=1; number0=1;
}

void time_count()
{
  uint overflow_count;

  while(P3_2)
{
   TR0=1;    //开计数器
   if(TF0==1)
{
   overflow_count++;
   count=65536*overflow_count+TH0<<8+TL0;
   }
else
count=TH0*4096+TL0;
}
  }

void delay(uint tc) //延时程序
{
while( tc != 0 )
  {
unsigned int i;
for(i=0; i<100; i++);
tc--;
}
}