fs20-6.lst

51单片机开发入门与典型实例

C51 COMPILER V7.06   FS20_6                                                                01/08/2007 15:37:41 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE FS20_6
OBJECT MODULE PLACED IN fs20-6.OBJ
COMPILER INVOKED BY: C:\Keil7.06\C51\BIN\C51.EXE fs20-6.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          /* 文件名：fs20-6.c*/
   2          /* 程序功能：警报声同时LED闪烁 */
   3           #include <AT89X51.H>  
   4           void delay1ms(unsigned int k); 
   5           void main(  )           
   6           {
   7   1        unsigned int i,j,k; 
   8   1        unsigned int count,sound,tone;
   9   1        count=20;
  10   1        sound=160;
  11   1        tone=100;
  12   1            for(k=0;k<count;k++)        
  13   1              {
  14   2                     P1_0=~P1_0;
  15   2                     for(i=0;i<sound;i++)
  16   2                  { 
  17   3                    P3_4=~P3_4;
  18   3                    for(j=0;j<tone;j++);
  19   3                  }
  20   2                 delay1ms(200);
  21   2             } 
  22   1       } 
  23           
  24            /*1ms×k */
  25           void delay1ms( unsigned int k) 
  26           {  
  27   1        unsigned int j,i;
  28   1        for(i=0;i<k;i++)  
  29   1          for(j=0;j<120;j++); 
  30   1       } 


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    126    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       8
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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