wl001.lst

跑马灯,用来观察和学习单片机的

C51 COMPILER V7.50   WL001                                                                 03/26/2009 21:49:16 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE WL001
OBJECT MODULE PLACED IN wl001.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE wl001.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*******************************************************************************
   2          *                                                                              *
   3          *    File       : wl001.c                                                      *
   4          *    Date       : 2004-1-5                                                     *
   5          *    Version    : 1.0                                                          *
   6          *                                                                              *
   7          *    Author     : Freeman          [e-mail]                          *
   8          *    Company    : Willar           www.willar.com                              *
   9          *                                                                              *
  10          ********************************************************************************
  11          *    Descriptoon:                                                              *
  12          *                 LED流水灯                                                    *
  13          *                                                                              *
  14          *                                                                              *
  15          *                                                                              *
  16          *                                                                              *
  17          *                                                                              *
  18          *******************************************************************************/
  19          #include<reg51.h>
  20          #include <intrins.h>
  21          
  22          
  23          void delayms(unsigned char ms)  
  24          // 延时子程序
  25          {                                               
  26   1              unsigned char i;
  27   1              while(ms--)
  28   1              {
  29   2                      for(i = 0; i < 120; i++);
  30   2              }
  31   1      }
  32          
  33          main()
  34          {
  35   1              unsigned char LED;
  36   1              LED = 0xfe;
  37   1              P0 = LED;
  38   1              
  39   1              while(1)
  40   1              {
  41   2                      delayms(250);                   
  42   2                      LED = _crol_(LED,1);            //循环右移1位，点亮下一个LED
  43   2                      P0 = LED;
  44   2              }
  45   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     43    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
C51 COMPILER V7.50   WL001                                                                 03/26/2009 21:49:16 PAGE 2   

END OF MODULE INFORMATION.


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