key.lst

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C51 COMPILER V7.01  KEY                                                                    09/23/2008 14:27:38 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE KEY
OBJECT MODULE PLACED IN key.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE key.c OPTIMIZE(6,SPEED) BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include<reg52.h>
   2          
   3          typedef unsigned char uchar;
   4          
   5          //全局变量定义
   6          unsigned char xdata KEY_BUF;
   7          
   8          void delay(uchar timer); 
   9          
  10          //int KEY1 = 0;
  11          
  12          void delay(uchar timer)
  13          {
  14   1              int i;
  15   1          while(timer--)
  16   1              {
  17   2                      i = 500;                
  18   2                      while(i--);
  19   2              }
  20   1      }
  21          
  22          void key_int() interrupt 0//中断0程序
  23          {
  24   1              EX0=0;
  25   1              
  26   1              if(P1 == 0x0FE)
  27   1              {
  28   2                      delay(10);
  29   2      //              if(KEY1 == 0)
  30   2      //              {
  31   2                              if(P1 == 0x0FE)
  32   2                                      KEY_BUF = 1;
  33   2      //                      KEY1 = 1;
  34   2      //              }
  35   2              }
  36   1              else if(P1 == 0x0FD)
  37   1              {
  38   2                      delay(10);
  39   2      //              if(KEY1 == 0)
  40   2      //              {
  41   2                              if(P1 == 0x0FD)
  42   2                                      KEY_BUF = 2;
  43   2      //                      KEY1 = 1;
  44   2      //              }
  45   2              }
  46   1              else if(P1 == 0x0FB)
  47   1              {
  48   2                      delay(10);
  49   2      //              if(KEY1 == 0)
  50   2      //              {
  51   2                              if(P1 == 0x0FB)
  52   2                                      KEY_BUF = 3;
  53   2      //                      KEY1 = 1;
  54   2      //              }
  55   2              }
C51 COMPILER V7.01  KEY                                                                    09/23/2008 14:27:38 PAGE 2   

  56   1              else if(P1 == 0x0F7)
  57   1              {
  58   2                      delay(10);
  59   2      //              if(KEY1 == 0)
  60   2      //              {
  61   2                              if(P1 == 0x0F7)
  62   2                                      KEY_BUF = 4;
  63   2      //                      KEY1 = 1;
  64   2      //              }
  65   2              }
  66   1              else if(P1 == 0x0EF)
  67   1              {
  68   2                      delay(10);
  69   2      //              if(KEY1 == 0)
  70   2      //              {
  71   2                              if(P1 == 0x0EF)
  72   2                                      KEY_BUF = 5;
  73   2      //                      KEY1 = 1;
  74   2      //              }
  75   2              }
  76   1              else if(P1 == 0x0DF)
  77   1              {
  78   2                      delay(10);
  79   2      //              if(KEY1 == 0)
  80   2      //              {
  81   2                              if(P1 == 0x0DF)
  82   2                                      KEY_BUF = 6;
  83   2      //                      KEY1 = 1;
  84   2      //              }
  85   2              } 
  86   1              EX0 = 1;
  87   1      }
  88          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    206    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =      1    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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