clock.lst

本文件包含了使用C语言编写单片机的各种入门程序

C51 COMPILER V8.02   CLOCK                                                                 10/24/2008 20:54:21 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE CLOCK
OBJECT MODULE PLACED IN clock.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE clock.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          sbit sda=P0^2;
   3          sbit scl=P0^3;
   4          unsigned int hour,minute,second,b;
   5          code unsigned int led[11]={0x11,0xd7,0x32,
   6          0x92,0xd4,0x98,0x18,0xd3,0x10,0x90,0xff};
   7          
   8          void delay(int i)
   9          {
  10   1      int y;
  11   1      for(;i>0;i--)
  12   1      for(y=0;y<400;y++);
  13   1      }
  14          
  15          shift(int t)
  16          {
  17   1      int n,led1=led[t];
  18   1      for(n=0;n<8;n++)
  19   1      {
  20   2      scl=0;
  21   2      if(led1&0x80)sda=1;
  22   2      else sda=0;
  23   2      scl=1;
  24   2      scl=0;
  25   2      sda=0;
  26   2      led1=led1<<1;
  27   2      }
  28   1      }
  29          
  30          display()
  31          {
  32   1      b=second%10;
  33   1      shift(b);
  34   1      b=second/10;
  35   1      shift(b);
  36   1      
  37   1      b=0x0a;
  38   1      shift(b);
  39   1      
  40   1      b=minute%10;
  41   1      shift(b);
  42   1      b=minute/10;
  43   1      shift(b);
  44   1      
  45   1      b=0x0a;
  46   1      shift(b);
  47   1      
  48   1      b=hour%10;
  49   1      shift(b);
  50   1      b=hour/10;
  51   1      shift(b);
  52   1      }
  53          
  54          void main()
  55          {
C51 COMPILER V8.02   CLOCK                                                                 10/24/2008 20:54:21 PAGE 2   

  56   1      delay(200);
  57   1      for(hour=0;hour<24;hour++)
  58   1      {
  59   2      for(minute=0;minute<60;minute++)
  60   2      {
  61   3      for(second=0;second<60;second++)
  62   3      {
  63   4      display();
  64   4      delay(1000);
  65   4      }
  66   3      }
  67   2      }
  68   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    289    ----
   CONSTANT SIZE    =     22    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      8    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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