911.lst

里面是单片机的开发板的源程序

C51 COMPILER V8.02   911                                                                   08/12/2008 21:37:15 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE 911
OBJECT MODULE PLACED IN 911.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 911.C DEBUG OBJECTEXTEND

line level    source

   1          
   2                             
   3          #include <reg51.h>
   4          #include <intrins.h>
   5          
   6          sbit    SPK = P2^3;
   7          
   8          unsigned char frq; 
   9          
  10          void delayms(unsigned char ms);
  11          
  12          main()
  13          {
  14   1              TMOD = 0x01;
  15   1              frq = 0x00;
  16   1              TH0 = 0x00;
  17   1              TL0 = 0xff;     
  18   1              TR0 = 1;
  19   1              IE = 0x82;
  20   1              
  21   1              while(1)
  22   1              {
  23   2                      frq++;
  24   2                      delayms(1);
  25   2              }
  26   1      }
  27          
  28          void timer0() interrupt 1 using 1
  29          {
  30   1              TH0 = 0xfe;
  31   1              TL0 = frq;
  32   1              SPK = ~SPK;     
  33   1      }
  34          
  35          void delayms(unsigned char ms)  
  36          // 延时子程序
  37          {                                               
  38   1              unsigned char i;
  39   1              while(ms--)
  40   1              {
  41   2                      for(i = 0; i < 120; i++);
  42   2              }
  43   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     52    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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