key.lst

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C51 COMPILER V7.20   KEY                                                                   06/25/2005 11:18:05 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE KEY
OBJECT MODULE PLACED IN key.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE key.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "config.h"
   2          #include <REGX52.H>
   3          
   4          sbit BUTTON1 = P1^0;
   5          sbit BUTTON2 = P1^1;
   6          sbit BUTTON3 = P1^2;
   7          sbit BUTTON4 = P1^3;
   8          
   9          delay1()
  10          {
  11   1              unsigned int delay1;
  12   1              for(delay1=0;delay1<30000;delay1++);
  13   1      }
  14          
  15          
  16          unsigned char wait_key()
  17          {
  18   1              while(1)
  19   1              {
  20   2                      if(BUTTON1==0)
  21   2                      {
  22   3                              delay1();
  23   3                              if(BUTTON1==0)
  24   3                              {
  25   4                                      return(KEY1);
  26   4                              }
  27   3                      }
  28   2                      else if(BUTTON2==0)
  29   2                      {
  30   3                              delay1();
  31   3                              if(BUTTON2==0)
  32   3                              {
  33   4                                      return(KEY2);
  34   4                              }
  35   3                      }
  36   2                      else if(BUTTON3==0)
  37   2                      {
  38   3                              delay1();
  39   3                              if(BUTTON3==0)
  40   3                              {
  41   4                                      return(KEY3);
  42   4                              }
  43   3                      }
  44   2                      else if(BUTTON4==0)
  45   2                      {
  46   3                              delay1();
  47   3                              if(BUTTON4==0)
  48   3                              {
  49   4                                      return(KEY4);
  50   4                              }
  51   3                      }
  52   2              }       
  53   1      }


C51 COMPILER V7.20   KEY                                                                   06/25/2005 11:18:05 PAGE 2   

MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     63    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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