C51 COMPILER V7.50   2051                                                                  10/30/2011 20:36:07 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE 2051
OBJECT MODULE PLACED IN .\2051.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\2051.C DEBUG OBJECTEXTEND

line level    source

   1          #include <REG2051.H>            
   2          #define uint unsigned int       
   3          #define uchar unsigned char     
   4          uchar flag;
   5          /****************************/
   6          void delay(uint k)                              
   7          {                                                       
   8   1      uint data i,j;                                          
   9   1      for(i=0;i<k;i++)                                        
  10   1      {for(j=0;j<10000;j++)                                   
  11   2      {;}}                                                    
  12   1      }                                                       
  13          /**********************************/
  14          uchar scan_key(void)
  15          {
  16   1      uchar temp;
  17   1      temp=P3;
  18   1      return temp;
  19   1      }
  20          /***********************************/
  21          void main(void)         
  22          {                                                       
  23   1                 while(1)                                             
  24   1                {
  25   2                 P3=0xfe;
  26   2                 if(P3!=0xfe)
  27   2                 {
  28   3                 delay(5);            
  29   3                 P3=0xfe;
  30   3                      if(P3!=0xfe)flag=scan_key();
  31   3                 }
  32   2                 else flag=0;
  33   2                 switch(flag)
  34   2                 {
  35   3                 case 0xfd:P1=0xfe;
  36   3                 delay(1000);
  37   3                 default:P1=0xff;break;
  38   3            }
  39   2               }                      
  40   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     91    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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