main.lst

Keil C51入门教程

C51 COMPILER V7.07   MAIN                                                                  07/05/2006 04:04:50 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: c:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #define uchar unsigned char //定义一下方便使用
   2          #define uint  unsigned int
   3          #define ulong unsigned long
   4          #include <reg52.h>     //包括一个52标准内核的头文件
   5          
   6          char code dx516[3] _at_ 0x003b;//这是为了仿真设置的
   7          
   8          
   9          sbit P10=P1^0;  //LED1
  10          sbit K1= P3^2;     
  11          sbit K2= P3^5;  
  12          sbit K3= P2^4;     
  13          sbit K4= P2^5;  
  14          
  15          sbit    BEEP=P1^7; //喇叭输出脚
  16          
  17          bi(ulong t)
  18          {
  19   1              ulong c;
  20   1              uint n;
  21   1              for(c=0;c<t;c++)
  22   1              {
  23   2                      for(n=0;n<50;n++);      //延时
  24   2                      BEEP=~BEEP;                 //取反输出到喇叭的信号
  25   2              }
  26   1      }
  27          
  28          //按键音试验
  29          void main(void) // 主程序
  30          {
  31   1              uint n;
  32   1      
  33   1              while(1)
  34   1              {
  35   2                       if(!K1)
  36   2                       {
  37   3                              bi(100);        //发出按键音
  38   3                              while(!K1); //等键松开
  39   3                              for(n=0;n<2000;n++);    //键去抖
  40   3                       }
  41   2              }
  42   1      }
  43          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    122    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      10
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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