led.lst

监视开关K1（接在P3.0端口上）

C51 COMPILER V6.12  LED                                                                    07/27/2007 11:53:05 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN .\led.OBJ
COMPILER INVOKED BY: C:\单片机\Keil\C51\BIN\C51.EXE .\led.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include <AT89X51.H> 
   2          sbit K1=P3^0; 
   3          sbit L1=P1^0; 
   4          void main(void) 
   5          { 
   6   1        while(1) 
   7   1          { 
   8   2            if(K1==0)       //开关闭合
   9   2              { 
  10   3                L1=0;		//灯亮 ---p1.0输出低电平 ，L1有电势差。	
  11   3              } 
  12   2              else 
  13   2                { 
  14   3                  L1=1;		//灯灭 
  15   3                } 
  16   2          } 
  17   1      } 


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     11    ----
   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)