C51 COMPILER V8.02   DENG                                                                  07/05/2010 08:42:55 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE DENG
OBJECT MODULE PLACED IN deng.OBJ
COMPILER INVOKED BY: D:\´¦ÀíÈí¼þ\keil\C51\BIN\C51.EXE deng.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg52.h>
   2          
   3          sbit light=P1^0;
   4          sbit s1=P3^4;
   5          sbit s2=P3^5;
   6          
   7          bit change,s1sta,s2sta;
   8          
   9          bit keyscan()
  10          {
  11   1              if((s1^s1sta)||(s2^s2sta))
  12   1                      change=1;
  13   1              return change;
  14   1      }
  15          
  16          void main()
  17          {       
  18   1              s1sta=s1;
  19   1              s2sta=s2;
  20   1              while(1)
  21   1              {
  22   2                      keyscan();
  23   2                      if(change)
  24   2                      {
  25   3                              change=0;
  26   3                              light=~light;
  27   3                              s1sta=s1;
  28   3                              s2sta=s2;
  29   3                      }       
  30   2              }
  31   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     49    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      3    ----
END OF MODULE INFORMATION.


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