C51 COMPILER V6.12  LESSSON4_3                                                             07/25/2007 01:10:31 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE LESSSON4_3
OBJECT MODULE PLACED IN .\lessson4_3.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\lessson4_3.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include<reg52.h>
   2          #define uint unsigned int
   3          #define uchar unsigned char
   4          uchar temp,aa,bai,shi,ge;
   5          sbit dula=P2^6;
   6          sbit wela=P2^7;
   7          uchar code table[]={
   8          0x3f,0x06,0x5b,0x4f,
   9          0x66,0x6d,0x7d,0x07,
  10          0x7f,0x6f,0x77,0x7c,
  11          0x39,0x5e,0x79,0x71};
  12          void display(uchar bai,uchar shi,uchar ge);
  13          void delay(uint z);
  14          void init();
  15          void main()
  16          {	
  17   1      	init();//³õʼ»¯×Ó³ÌÐò
  18   1      	while(1)
  19   1      	{
  20   2      		if(aa==20)
  21   2      		  {
  22   3      			aa=0;
  23   3      			temp++;
  24   3      			if(temp==100)
  25   3      			   {
  26   4      					temp=0;
  27   4      			   }
  28   3      			bai=temp/100;
  29   3      			shi=temp%100/10;
  30   3      			ge=temp%10;
  31   3      		  }
  32   2      		display(bai,shi,ge);
  33   2      	}
  34   1      }
  35          
  36          void delay(uint z)
  37          {
  38   1      	uint x,y;
  39   1      	for(x=z;x>0;x--)
  40   1      		for(y=110;y>0;y--);
  41   1      }
  42          
  43          void display(uchar bai,uchar shi,uchar ge)
  44          {
  45   1              dula=1;
  46   1      		P0=table[bai];
  47   1      		dula=0;
  48   1      		P0=0xff;
  49   1      		wela=1;
  50   1      		P0=0xfe;
  51   1      		wela=0;
  52   1      		delay(1);
  53   1      
  54   1      		dula=1;
  55   1      		P0=table[shi];
C51 COMPILER V6.12  LESSSON4_3                                                             07/25/2007 01:10:31 PAGE 2   

  56   1      		dula=0;
  57   1      		P0=0xff;
  58   1      		wela=1;
  59   1      		P0=0xfd;
  60   1      		wela=0;
  61   1      		delay(1);
  62   1      
  63   1      		dula=1;
  64   1      		P0=table[ge];
  65   1      		dula=0;
  66   1      		P0=0xff;
  67   1      		wela=1;
  68   1      		P0=0xfb;
  69   1      		wela=0;
  70   1      		delay(1);
  71   1      }
  72          
  73          void init()
  74          {	
  75   1      	wela=0;
  76   1      	dula=0;
  77   1      	temp=0;
  78   1      	TMOD=0x01;
  79   1      	TH0=(65536-50000)/256;
  80   1      	TL0=(65536-50000)%256;
  81   1      	EA=1;
  82   1      	ET0=1;
  83   1      	TR0=1;	
  84   1      }
  85          
  86          void timer0() interrupt 1
  87          {
  88   1      	TH0=(65536-50000)/256;
  89   1      	TL0=(65536-50000)%256;
  90   1      	aa++;	
  91   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    193    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)