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 11:54:01 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          
   3          typedef unsigned char BYTE;
   4          
   5          BYTE RS_CNT      _at_ 0x31;
   6          BYTE DSP_CNT _at_ 0x34;
   7          
   8          
   9          void DELAY()
  10          {
  11   1              BYTE i=10;
  12   1                      
  13   1              do      
  14   1              {       
  15   2                      BYTE j=20;
  16   2                      do
  17   2                      {       
  18   3                              BYTE k=248;
  19   3                              do
  20   3                              {
  21   4                              }while(--k);
  22   3                      }while(--j);
  23   2              }while(--i);
  24   1      }
  25          
  26          
  27          main()
  28          {
  29   1              BYTE temp;
  30   1              RS_CNT =0x00;
  31   1              DSP_CNT=0x00;
  32   1              
  33   1      
  34   1              while(1)
  35   1              {
  36   2                      switch(DSP_CNT)
  37   2                      {
  38   3                              case 0: {
  39   4                                                      P0 =0x00;
  40   4                                                      temp=0x01;
  41   4      
  42   4                                                      do
  43   4                                                      {
  44   5                                                              P3=temp;
  45   5                                                              DELAY();
  46   5                                                              ACC=temp;
  47   5                                                              #pragma asm
  48   5                                                                      RL A
  49   5                                                              #pragma endasm
  50   5                                                              temp=ACC;
  51   5                                                              RS_CNT++;
  52   5                                                      }while(RS_CNT!=24);
  53   4                                                      DSP_CNT++;
  54   4                                                      RS_CNT=0x00;
  55   4                                              }
C51 COMPILER V8.08   MAIN                                                                  05/18/2007 11:54:01 PAGE 2   

  56   3                                              break;
  57   3              
  58   3                              case 1: {
  59   4                                                      P0 =0x00;
  60   4                                                      temp=0x80;
  61   4      
  62   4                                                      do
  63   4                                                      {
  64   5                                                              P3=temp;
  65   5                                                              DELAY();
  66   5                                                              ACC=temp;
  67   5                                                              #pragma asm
  68   5                                                                      RR A
  69   5                                                              #pragma endasm
  70   5                                                              temp=ACC;
  71   5                                                              RS_CNT++;
  72   5                                                      }while(RS_CNT!=24);
  73   4                                                      DSP_CNT++;
  74   4                                                      RS_CNT=0x00;
  75   4                                              }
  76   3                                              break;
  77   3      
  78   3                              case 2: {
  79   4                                                      P3 =0xFF;
  80   4                                                      temp=0x7F;
  81   4      
  82   4                                                      do
  83   4                                                      {
  84   5                                                              P0=temp;
  85   5                                                              DELAY();
  86   5                                                              ACC=temp;
  87   5                                                              #pragma asm
  88   5                                                                      RR A
  89   5                                                              #pragma endasm
  90   5                                                              temp=ACC;
  91   5                                                              RS_CNT++;
  92   5                                                      }while(RS_CNT!=24);
  93   4                                                      DSP_CNT++;
  94   4                                                      RS_CNT=0x00;
  95   4                                              }
  96   3                                              break;
  97   3      
  98   3                              case 3: {
  99   4                                                      P3 =0xFF;
 100   4                                                      temp=0xFE;
 101   4      
 102   4                                                      do
 103   4                                                      {
 104   5                                                              P0=temp;
 105   5                                                              DELAY();
 106   5                                                              ACC=temp;
 107   5                                                              #pragma asm
 108   5                                                                      RL A
 109   5                                                              #pragma endasm
 110   5                                                              temp=ACC;
 111   5                                                              RS_CNT++;
 112   5                                                      }while(RS_CNT!=24);
 113   4                                                      DSP_CNT=0x00;
 114   4                                                      RS_CNT =0x00;
 115   4                                              }
 116   3                                              break;
 117   3                      }       
C51 COMPILER V8.08   MAIN                                                                  05/18/2007 11:54:01 PAGE 3   

 118   2              }
 119   1              
 120   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    143    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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