text1.lst

51单片计算机中的定时器程序,在keil工程中编译

C51 COMPILER V7.08   TEXT1                                                                 05/06/2009 21:03:31 PAGE 1   


C51 COMPILER V7.08, COMPILATION OF MODULE TEXT1
OBJECT MODULE PLACED IN Text1.OBJ
COMPILER INVOKED BY: D:\学习软件\keil51\C51\BIN\C51.EXE Text1.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #include <intrins.h>
   3          char num;
   4          int tim=0,temp=0xfe;            
   5          sbit dula=P2^6;
   6          sbit wela=P2^7;
   7          void delay()
   8          {
   9   1              int m;
  10   1                      for(m=0;m<100;m++);
  11   1      }
  12          int main()
  13          {
  14   1              int i,j,n;
  15   1              TMOD=0x01;
  16   1              TH0=(65536-50000)/256;
  17   1              TL0=(65536-50000)%256;
  18   1              EA=1;
  19   1              ET0=1;
  20   1              TR0=1;
  21   1              while(1)
  22   1              {       
  23   2                      
  24   2                      
  25   2              }
  26   1              return 0;
  27   1      }
*** WARNING C280 IN LINE 14 OF TEXT1.C: 'i': unreferenced local variable
*** WARNING C280 IN LINE 14 OF TEXT1.C: 'j': unreferenced local variable
*** WARNING C280 IN LINE 14 OF TEXT1.C: 'n': unreferenced local variable
  28          void timer0() interrupt 1  using 0  //using指定所用的寄存器为r0
  29          {
  30   1              TH0=(65536-50000)/256;
  31   1              TL0=(65536-50000)%256;
  32   1              tim++;
  33   1              if(tim==20)                //等一秒
  34   1                      {
  35   2                              temp=_crol_(temp,1);
  36   2                          P1=temp;
  37   2                              tim=0;
  38   2                      }
  39   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     88    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5       6
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  3 WARNING(S),  0 ERROR(S)