51

来自「51单片机大量源码」· 代码 · 共 53 行

C51 COMPILER V8.09   EX111                                                                 07/01/2010 15:37:59 PAGE 1   


C51 COMPILER V8.09, COMPILATION OF MODULE EX111
OBJECT MODULE PLACED IN ex111.OBJ
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE ex111.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          
   2          
   3          #include<reg51.h>
   4          #include <intrins.h>
   5          
   6          
   7          void delayms(unsigned char ms)  
   8          // 延时子程序
   9          {                                               
  10   1              unsigned char i;
  11   1              while(ms--)
  12   1              {
  13   2                      for(i = 0; i < 120; i++);
  14   2              }
  15   1      }
  16          
  17          main()
  18          {
  19   1              unsigned char LED;
  20   1      LED = 0xfe;
  21   1              P1 = LED;
  22   1              
  23   1              while(1)
  24   1              {
  25   2                      delayms(250);                   
  26   2                      LED = _crol_(LED,1);            //循环左移1位，点亮下一个LED
  27   2                      P1 = LED;
  28   2              }
  29   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)