ledls.lst

很实用的单片机例程

C51 COMPILER V7.07   LEDLS                                                                 06/21/2007 14:22:51 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE LEDLS
OBJECT MODULE PLACED IN LEDLS.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE LEDLS.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include<reg51.h>
   2          #include <intrins.h>
   3          
   4          
   5          void delayms(unsigned char ms)  
   6          // 延时子程序
   7          {                                               
   8   1              unsigned char i;
   9   1              while(ms--)
  10   1              {
  11   2                      for(i = 0; i < 120; i++);
  12   2              }
  13   1      }
  14          
  15          main()
  16          {
  17   1              unsigned char LED;
  18   1              LED = 0xfe;
  19   1              P3 = LED;
  20   1              
  21   1              while(1)
  22   1              {
  23   2                      delayms(250);                   
  24   2                      LED = _crol_(LED,1);            //循环右移1位，点亮下一个LED
  25   2                      P3 = LED;
  26   2              }
  27   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     43    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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