bb1.lst

关于51的各种例子,仔细学习后会有很大的作用

C51 COMPILER V6.12  BB1                                                                    03/14/2008 17:08:50 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE BB1
OBJECT MODULE PLACED IN .\bb1.OBJ
COMPILER INVOKED BY: D:\keil\C51\BIN\C51.EXE .\bb1.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include<AT89x51.H>
   2          unsigned char t5hz;
   3          unsigned char t7hz;
   4          unsigned int ucount;
   5          bit stop;
   6          bit flag;
   7          main()
   8          {
   9   1      unsigned char i,j;
  10   1      TMOD=0x02;
  11   1      TH0=0x06;
  12   1      TL0=0x06;
  13   1      EA=1;
  14   1      ET0=1;
  15   1      while(1)
  16   1      {
  17   2      if(P3_2==0)
  18   2      {
  19   3      for(i=0;i<20;i++)
  20   3      for(j=0;j<248;j++);
  21   3      if(P3_2==0)
  22   3      {
  23   4      t5hz=0;
  24   4      t7hz=0;
  25   4      stop=0;
  26   4      flag=0;
  27   4      TR0=1;
  28   4      while(stop==0);
  29   4      }
  30   3      }
  31   2      }
  32   1      }
  33          void timerr(void) interrupt 1 
  34          {
  35   1      ucount++;
  36   1      if(ucount==2000)
  37   1      {
  38   2      ucount=0;
  39   2      if(flag==0)
  40   2      flag=~flag;
  41   2      else
  42   2      {
  43   3      stop=1;
  44   3      TR0=0;
  45   3      }
  46   2      }
  47   1      if(flag==0)
  48   1      {
  49   2      t7hz++;
  50   2      if(t7hz==3)
  51   2      {
  52   3      t7hz=0;
  53   3      P0_7=~P0_7;
  54   3      }
  55   2      }
C51 COMPILER V6.12  BB1                                                                    03/14/2008 17:08:50 PAGE 2   

  56   1      else
  57   1      {
  58   2      t5hz++;
  59   2      if(t5hz==4)
  60   2      {
  61   3      t5hz=0;
  62   3      P0_7=~P0_7;
  63   3      }
  64   2      }
  65   1      }
  66          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    118    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      2    ----
END OF MODULE INFORMATION.


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