buzzc.lst

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C51 COMPILER V7.20   BUZZC                                                                 01/19/2005 20:08:19 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE BUZZC
OBJECT MODULE PLACED IN buzzc.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE buzzc.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <at89x51.h>
   2          #define Uint  unsigned int
   3          void delayms(Uint number);
   4          void main()     {
   5   1      while(1) 
   6   1      {P3_6=0;            //P3_6脚输出低电平，蜂鸣器发声
   7   2      delayms(1000);      //延时一段时间，改变参数，可以改变蜂鸣器发声时间长短
   8   2      P3_6=1;             //P3_6脚输出高电平，蜂鸣器停止发声
   9   2      delayms(2000);
  10   2      }
  11   1                      }
  12          void Delayms(Uint number)             {            //延时子程序
  13   1      unsigned char temp; 
  14   1       for(;number!=0;number--) {
  15   2        for(temp=112;temp!=0;temp--) {                   
  16   3                                     }
  17   2                                 }
  18   1                                               }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     36    ----
   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)