led.lst

C51程序设计及应用,程序源码,L02.OneLED.rar

C51 COMPILER V8.08   LED                                                                   09/06/2008 16:25:56 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN Led.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Led.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <AT89X51.h>    //预处理命令
   2          void main(void)         //主函数名
   3          {
   4   1              unsigned int a; //定义变量a 为int 类型
   5   1              do
   6   1              {
   7   2                      //do while 组成循环
   8   2                      for (a=0; a<50000; a++);        //这是一个循环
   9   2                              P1_0 = 0;               //设P1.0 口为低电平，点亮LED 
  10   2                      for (a=0; a<50000; a++);        //这是一个循环
  11   2                              P1_0 = 1;               //设P1.0 口为高电平，熄灭LED 
  12   2              }while(1); 
  13   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     58    ----
   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)