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 11:58:16 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE MAIN
NO OBJECT MODULE REQUESTED
COMPILER INVOKED BY: D:\Program Files\Keil 8.08\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND SRC(.\main.SRC)

line level    source

   1          #include <reg51.h>
   2          typedef unsigned char BYTE;
   3          
   4          sbit DIN=P3^0;
   5          sbit CLK=P3^1;
   6          
   7          BYTE DBUF;
   8          BYTE TEMP;
   9          
  10          BYTE code K0TAB[]={ 0xFE,0xFD,0xFB,0xF7,       
  11                                                  0xEF,0xDF,0xBF,0x7F};
  12          
  13          BYTE code SEGTAB[]={0x3F,0x06,0x5B,0x4F,0x66,         
  14                                                  0x6D,0x7D,0x07,0x7F,0x6F};
  15          
  16          
  17          void DELAY()
  18          {
  19   1              BYTE i=0x02;
  20   1               
  21   1              do
  22   1              {
  23   2                      BYTE j=0xF8;
  24   2                      do
  25   2                      {}while(--j);
  26   2              }while(--i);
  27   1      }
  28          
  29          
  30          void DISP(BYTE in)
  31          {
  32   1              BYTE num=8;
  33   1      
  34   1              DBUF=in;
  35   1      
  36   1              TEMP=SEGTAB[DBUF];
  37   1              ACC=TEMP;
  38   1      
  39   1              do
  40   1              {
  41   2                      #pragma asm
  42   2                              RLC A
  43   2                      #pragma endasm
  44   2      
  45   2                      DIN=CY;
  46   2                      CLK=0;
  47   2                      CLK=1;
  48   2              }while(--num);  
  49   1      }
  50          
  51          
  52          BYTE KEY()
  53          {
  54   1              BYTE key_i;
  55   1              BYTE key_j;
C51 COMPILER V8.08   MAIN                                                                  05/18/2007 11:58:16 PAGE 2   

  56   1              BYTE temp;
  57   1      
  58   1              while(1)
  59   1              {
  60   2                      do
  61   2                      {
  62   3                              do
  63   3                              {
  64   4                                      P1=0xFF;
  65   4                              }while(P1==0xFF);
  66   3                              DELAY();
  67   3      
  68   3                              temp=P1;
  69   3                      }while(temp==0xFF);
  70   2                                                      
  71   2                      key_i=8;
  72   2                      key_j=0;
  73   2              
  74   2                      do
  75   2                      {
  76   3                              if(temp==K0TAB[key_j])
  77   3                              {
  78   4                                      do
  79   4                                      {}while(P1!=0xFF);
  80   4                                      DELAY();
  81   4                                      return key_j;
  82   4                              }
  83   3                      
  84   3                              key_j++;
  85   3                      }while(--key_i);
  86   2              }
  87   1      }
  88          
  89          
  90          main()
  91          {
  92   1              DBUF=16;
  93   1      
  94   1              while(1)
  95   1              {
  96   2                      DISP(KEY());
  97   2              }
  98   1      
  99   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     90    ----
   CONSTANT SIZE    =     18    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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