indep_key.lst

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C51 COMPILER V7.09   INDEP_KEY                                                             08/24/2007 09:28:45 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE INDEP_KEY
OBJECT MODULE PLACED IN indep_key.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE indep_key.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "reg51.h"
   2          
   3          void Delay(unsigned int i)
   4          {
   5   1              unsigned int j;
   6   1              for(;i>0;i--)
   7   1                      for(j=0;j<100;j++);
   8   1              }
   9          
  10          void IO_Init()
  11          {
  12   1              P1 = 0xff;
  13   1              P2 = 0xff;
  14   1              }
  15                  
  16          void main()
  17          {
  18   1              unsigned char temp,key;
  19   1              IO_Init();
  20   1              while(1)
  21   1              {
  22   2                      temp = ((P1 & 0x0f) << 4) |(P2 &0x0f);
  23   2                      if(temp!=0xff)
  24   2                      {
  25   3                              Delay(5);
  26   3                              key = ~(temp &(((P1 & 0x0f) << 4) |(P2 &0x0f)));
  27   3                              }
  28   2                      }
  29   1              }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     84    ----
   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)