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 15:27:59 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          
   3          void main()                                                             //主函数
   4          {
   5   1      union ThreeInOne                                                        //定义联合并声明联合变量
   6   1      {
   7   1      int a ;
   8   1      char b;
   9   1      float c;
  10   1      }Bs;
  11   1      Bs.a=9;                                                                 //使用成员变量a
  12   1      printf("Bs.a=%d\n",Bs.a);
  13   1      printf("Bs.c=%f\n",Bs.c);                                               //无意义
  14   1      Bs.c=5.3;                                                                       //使用成员变量b
  15   1      printf("Bs.c=%f\n",Bs.c);
  16   1      Bs.b='A';                                                                       //使用成员变量c
  17   1      printf("Bs.b=%c\n",Bs.b);
  18   1      //printf("Bs.a=%d\n",Bs.a);                                             //无意义
  19   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     98    ----
   CONSTANT SIZE    =     27    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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