C51 COMPILER V6.12  111111111                                                              11/08/2006 16:41:20 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE 111111111
OBJECT MODULE PLACED IN .\111111111.OBJ
COMPILER INVOKED BY: G:\Program Files\keilC51\C51\BIN\C51.EXE .\111111111.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include<reg51.h>
   2          #include<intrins.h>
   3          //===================== 加載頭文件和函數(shù)
   4          sbit sda=P0^2;//定義數(shù)據(jù)線
   5          sbit scl=P0^3;//定義時(shí)鐘線
   6          //===========================
   7           int counter,bulf;//定義變量
   8           int second,minute,hour;//定義變量
   9          //-------------字型碼----------------------------
  10          code char led[16]={0x11,0xD7,0x32,0x92, /* 0 1 2 3 4 */
  11          0xD4,0x98,0x18,0xD3,0x10,0x90, /* 5 6 7 8 9 */
  12          0x50,0x1C,0x39,0x16,0x38,0x78};/* A B C D E F*/
  13          //-----------------------------------------------
  14          void send(unsigned char a)  //串行輸出,74LS164
  15          {
  16   1         unsigned char i;
  17   1         scl=0;
  18   1         for(i=0;i<8;i++)
  19   1           {
  20   2              if(_crol_(a,i)&0x80)  //向左移i位  _cror_(a,i)則向相反方向(向右)移i位
  21   2                  sda=1;
  22   2              else 
  23   2                  sda=0;
  24   2              scl=0;_nop_();scl=1;
  25   2            }
  26   1      }
  27          //---------顯示子程序--------------
  28          void display()
  29          {
  30   1         send(led[second%10]);    //查表得到代碼后,串行輸出
  31   1         send(led[second/10]);
  32   1         send(0xff);
  33   1         send(led[minute%10]);
  34   1         send(led[minute/10]);
  35   1         send(0xff);
  36   1         send(led[hour%10]);
  37   1         send(led[hour/10]);
  38   1      }
  39          //==================================
  40          //主程序
  41          main()
  42          {
  43   1          second=50;minute=57;hour=23;
  44   1          TMOD=0x01;   //定時(shí)器0工作于方式1
  45   1      	TH0=0x3b;
  46   1      	TL0=0xc0;     //定時(shí)50ms
  47   1              counter=16;
  48   1      	bulf=50000;    
  49   1       
  50   1       	EA=1;        //開總中斷  
  51   1      	ET0=1;       //開定時(shí)中斷
  52   1      	TR0=1;       //起動(dòng)定時(shí)器
  53   1         
  54   1          while(1)P2=0x00;
  55   1      }
C51 COMPILER V6.12  111111111                                                              11/08/2006 16:41:20 PAGE 2   

  56          //==============================
  57          
  58          //定時(shí)中斷0服務(wù)子程序
  59          void  timer0_int(void)  interrupt 1   //定時(shí)器0中斷工作方式為1
  60          { 
  61   1              TR0=0;   //關(guān)定時(shí)中斷
  62   1         	TH0=0x3b;
  63   1      	TL0=0xc0;     //重新付值定時(shí)50ms
  64   1          if(!(counter--))  //定時(shí)器是否到1S
  65   1           {
  66   2              counter=16;
  67   2              P2=0xff;
  68   2              while(bulf--);
  69   2              //---------------------
  70   2               
  71   2               if(second>=59)
  72   2                 {
  73   3                   second=0;
  74   3                   if(minute>=59)
  75   3                     {
  76   4                      minute=0;
  77   4                          if(hour>=23)hour=0;
  78   4                          else hour=hour+1;
  79   4                      } 
  80   3                    else minute=minute+1;
  81   3                  }
  82   2                 else  second=second+1;
  83   2                 display();
  84   2              //---------------------
  85   2             }
  86   1          bulf=50000;
  87   1      	TR0=1;
  88   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    385    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     10    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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