C51 COMPILER V7.06   KEY                                                                   04/27/2020 09:49:01 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE KEY
OBJECT MODULE PLACED IN key.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE key.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <config.h>
   2          uchar code seg_table[] =                                                //ÊýÂë¹Ü¶ÎÂë 
   3          {
   4                  0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
   5                  0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,
   6                  0xbf,~0xbf
   7          }; 
   8          void display_key(unsigned char num)
   9          {
  10   1              P0=seg_table[num];
  11   1          dula=1;
  12   1          dula=0;
  13   1          wela=1;
  14   1              P0=~0xbf;    
  15   1          wela=0;             
  16   1      }
  17          void delay_key(unsigned char i)         //ÑÓʱ³ÌÐò
  18          { 
  19   1              uchar j,k;
  20   1              for(j=i;j>0;j--)
  21   1              for(k=125;k>0;k--);
  22   1      }
  23          
  24          void key_main()
  25          {       
  26   1              uchar temp,key;
  27   1              system_init();
  28   1              while(message=='4')
  29   1              {
  30   2                  P3=0xfe;
  31   2                  temp=P3;
  32   2                  temp=temp&0xf0;
  33   2                  if(temp!=0xf0)
  34   2              {
  35   3                      delay_key(10);
  36   3                      if(temp!=0xf0)
  37   3                      {
  38   4                              temp=P3;
  39   4                              switch(temp)
  40   4                              {
  41   5                                      case 0xee: key=16;break;
  42   5                                      case 0xde: key=1;break;
  43   5                                      case 0xbe: key=2;break;         
  44   5                                      case 0x7e: key=3;break;
  45   5                              }
  46   4                              while(temp!=0xf0)
  47   4                              {
  48   5                                      temp=P3;
  49   5                                      temp=temp&0xf0;
  50   5                                      beep=0;
  51   5                              }
  52   4                              beep=1;
  53   4                              display_key(key);
  54   4                              //P1=0xfe;
  55   4                      }
C51 COMPILER V7.06   KEY                                                                   04/27/2020 09:49:01 PAGE 2   

  56   3              }
  57   2                  P3=0xfd;
  58   2                  temp=P3;
  59   2                  temp=temp&0xf0;
  60   2                  if(temp!=0xf0)
  61   2              {
  62   3                      delay_key(10);
  63   3                      if(temp!=0xf0)
  64   3                      {
  65   4                              temp=P3;
  66   4                              switch(temp)
  67   4                              {
  68   5                                      case 0xed: key=4;break;
  69   5                                      case 0xdd: key=5;break;
  70   5                                      case 0xbd: key=6;break;
  71   5                                      case 0x7d: key=7;break;
  72   5                              }
  73   4                              while(temp!=0xf0)
  74   4                              {
  75   5                                      temp=P3;
  76   5                                      temp=temp&0xf0;
  77   5                                      beep=0;
  78   5                              }
  79   4                              beep=1;
  80   4                              display_key(key);
  81   4                              //P1=0xfc;
  82   4                      }
  83   3              }
  84   2                  P3=0xfb;
  85   2                  temp=P3;
  86   2                  temp=temp&0xf0;
  87   2                  if(temp!=0xf0)
  88   2                  {
  89   3                      delay_key(10);
  90   3                      if(temp!=0xf0)
  91   3                      {
  92   4                              temp=P3;
  93   4                              switch(temp)
  94   4                              {
  95   5                                      case 0xeb: key=8;break;                         
  96   5                                      case 0xdb: key=9;break;                 
  97   5                                      case 0xbb: key=10;break;                        
  98   5                                      case 0x7b: key=11;break;
  99   5                              }
 100   4                              while(temp!=0xf0)
 101   4                              {
 102   5                                      temp=P3;
 103   5                                      temp=temp&0xf0;
 104   5                                      beep=0;
 105   5                              }
 106   4                              beep=1;
 107   4                              display_key(key);
 108   4                                      //P1=0xf8;
 109   4                      }
 110   3              }
 111   2                  P3=0xf7;
 112   2                  temp=P3;
 113   2                  temp=temp&0xf0;
 114   2                  if(temp!=0xf0)
 115   2                  {
 116   3                      delay_key(10);
 117   3                      if(temp!=0xf0)
C51 COMPILER V7.06   KEY                                                                   04/27/2020 09:49:01 PAGE 3   

 118   3                      {
 119   4                              temp=P3;
 120   4                              switch(temp)
 121   4                              {
 122   5                                      case 0xe7: key=12;break; 
 123   5                                      case 0xd7: key=13;break;
 124   5                                      case 0xb7: key=14;break;
 125   5                                      case 0x77: key=15;break;
 126   5                              }
 127   4                              while(temp!=0xf0)
 128   4                              {
 129   5                                      temp=P3;
 130   5                                      temp=temp&0xf0;
 131   5                                      beep=0;
 132   5                              }
 133   4                              beep=1;
 134   4                              display_key(key);
 135   4                                      //P1=0xf0;
 136   4                      }
 137   3              }
 138   2              } 
 139   1      }
 140          
 141          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    395    ----
   CONSTANT SIZE    =     18    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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