ex1.lst

零基础单片机C语言设计全套教程

C51 COMPILER V8.08   EX1                                                                   09/04/2008 15:29:33 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE EX1
OBJECT MODULE PLACED IN ex1.OBJ
COMPILER INVOKED BY: C:\Program Files\keil\C51\BIN\C51.EXE ex1.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <stdio.h>                                                      //头文件
   2          union                                                                   //声明联合
   3          {
   4          int n;
   5          struct                                                                  //声明结构
   6          {
   7                  char first;
   8                  char second;
   9          }st;                                                                            //声明结构变量st
  10          }num;                                                                   //声明联合变量num
  11          
  12          void main()                                                             //主函数
  13          {
  14   1      num.n=0x6261;                                                           //赋值
  15   1      printf("%c %c\n",num.st.first,num.st.second);           //打印输出
  16   1      num.st.first='A';                                                               //赋值
  17   1      num.st.second='B';
  18   1      printf("0x%x\n",num.n);                                         //打印输出
  19   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     42    ----
   CONSTANT SIZE    =     13    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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