main.lst

《Proteus在MCS-51&ARM7系统中的应用百例》逆向之 Chapter 4 《Proteus在MCS-51&ARM7系统中的应用百例》MCS-51例子的C语言版本。

C51 COMPILER V8.08   MAIN                                                                  05/18/2007 11:59:29 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: D:\Program Files\Keil 8.08\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.h>
   2          typedef unsigned char BYTE;
   3          
   4          BYTE LINE _at_ 0x30;
   5          BYTE ROW  _at_ 0x31;
   6          BYTE VAL  _at_ 0x32;
   7          
   8          sbit P30=P3^0;
   9          sbit P31=P3^1;
  10          sbit P32=P3^2;
  11          sbit P33=P3^3;
  12          sbit P34=P3^4;
  13          sbit P35=P3^5;
  14          sbit P36=P3^6;
  15          sbit P37=P3^7;
  16          
  17          BYTE code TABLE[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,
  18                                             0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71};
  19          
  20          
  21          void DELAY()
  22          {
  23   1              BYTE i=20;
  24   1              
  25   1              do
  26   1              {
  27   2                      BYTE j=250;
  28   2                      do
  29   2                      {}while(--j);
  30   2              }while(--i);
  31   1      }
  32          
  33          
  34          
  35          main()
  36          {
  37   1              P2=0x00;
  38   1      
  39   1              while(1)
  40   1              {
  41   2                      P3=0xF0;
  42   2              
  43   2                      while(1)
  44   2                      {
  45   3                              if(P30)
  46   3                              {
  47   4                                      DELAY();
  48   4              
  49   4                                      if(P30)
  50   4                                      {
  51   5                                              LINE=0x00;      break;
  52   5                                      }               
  53   4                              }
  54   3              
  55   3                              if(P31)
C51 COMPILER V8.08   MAIN                                                                  05/18/2007 11:59:29 PAGE 2   

  56   3                              {
  57   4                                      DELAY();
  58   4              
  59   4                                      if(P31)
  60   4                                      {
  61   5                                              LINE=0x01;      break;
  62   5                                      }               
  63   4                              }
  64   3              
  65   3                              if(P32)
  66   3                              {
  67   4                                      DELAY();
  68   4              
  69   4                                      if(P32)
  70   4                                      {
  71   5                                              LINE=0x02;      break;
  72   5                                      }               
  73   4                              }
  74   3              
  75   3                              if(P33)
  76   3                              {
  77   4                                      DELAY();
  78   4              
  79   4                                      if(P33)
  80   4                                      {
  81   5                                              LINE=0x03;      break;
  82   5                                      }               
  83   4                              }
  84   3                      }//end while
  85   2              
  86   2                      P3=0x0F;
  87   2              
  88   2                      while(1)
  89   2                      {
  90   3                              if(P34)
  91   3                              {
  92   4                                      ROW=0x00;       break;
  93   4                              }
  94   3                              if(P35)
  95   3                              {
  96   4                                      ROW=0x01;       break;
  97   4                              }
  98   3                              if(P36)
  99   3                              {
 100   4                                      ROW=0x02;       break;
 101   4                              }
 102   3                              if(P37)
 103   3                              {
 104   4                                      ROW=0x03;       break;
 105   4                              }
 106   3                      }//end while
 107   2              
 108   2                      VAL=ROW+LINE*0x04;
 109   2                      P2=TABLE[VAL];
 110   2              }
 111   1              
 112   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    122    ----
   CONSTANT SIZE    =     16    ----
C51 COMPILER V8.08   MAIN                                                                  05/18/2007 11:59:29 PAGE 3   

   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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