main_ex2.lst

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C51 COMPILER V8.02   MAIN_EX2                                                              01/05/2007 12:17:30 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE MAIN_EX2
OBJECT MODULE PLACED IN main_ex2.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main_ex2.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          // 控制P1外接的LED循环左移显示
   2          #include <REGX51.H>
   3          #define LEDCOM P2_4 //LED公共端
   4          #define LEDZXM P0       //LED的显示控制端
   5          delay2( )  // 延迟子程序
   6          {
   7   1        int i,j;
   8   1        i=100;         // 控制外循环次数
   9   1        while(i--)
  10   1              { j=100;     // 控制内循环次数
  11   2                while(j--);
  12   2              }
  13   1      }
  14          
  15          ex2( )  // C语言的主函数
  16          {
  17   1        unsigned char LED;
  18   1        P2 = 0x00;
  19   1        LED = 0x01;  
  20   1        LEDCOM = 1;// 选能LED的公共端
  21   1        while(1)
  22   1        {
  23   2           LEDZXM = ~LED;   // LED取反送P1
  24   2               delay2();
  25   2               if(LED) LED <<=1;
  26   2               else LED = 0x01;
  27   2        }
  28   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     57    ----
   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)