0--9999.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   0__9999                                                               07/15/2008 20:58:54 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE 0__9999
OBJECT MODULE PLACED IN 0--9999.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 0--9999.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          sbit sda=P0^2;
   3          sbit scl=P0^3;
   4          unsigned int num,b;
   5          code char led[16]={0x11,0x7D,0x23,0x29,0x4D,0x89,0x81,                     // 0  1  2  3  4  5  6
   6                             0x3D,0x01,0x09,0x05,0xC1,0x93,0x61,0x83,0x87};  // 7  8  9  A  B  C  D  E  F
   7          void delay(int k)
   8          {
   9   1      int u;
  10   1      for(;k>0;k--)
  11   1      for(u=0;u<500;u++)
  12   1      {; }
  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=num%10;
  33   1      shift(b);
  34   1      b=num%100/10;
  35   1      shift(b);
  36   1      b=num%1000/100;
  37   1      shift(b);
  38   1      b=num/1000;
  39   1      shift(b);                 
  40   1      b=0x0a;
  41   1      shift(b);
  42   1      shift(b);
  43   1      shift(b);
  44   1      shift(b);
  45   1      }
  46          
  47          void main()
  48          {
  49   1      delay(200);
  50   1      for(num=0;num<9999;num++)
  51   1      {
  52   2      display();
  53   2      delay(500);
  54   2      }
  55   1      }
C51 COMPILER V8.02   0__9999                                                               07/15/2008 20:58:54 PAGE 2   

  56          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    244    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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