1.lst

C51 程序练习

C51 COMPILER V7.06   1                                                                     11/07/2011 21:52:34 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE 1
OBJECT MODULE PLACED IN 1.OBJ
COMPILER INVOKED BY: E:\KEIL\C51\BIN\C51.EXE 1.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          //利用定时/计数器T0从P1.0输出周期为1s的方波，
   2          //让发光二极管以1HZ闪烁，设晶振频率为12MHz
   3          #include<reg52.h>
   4          #define uchar unsigned char;
   5          #define uint unsigned int;
   6          sbit D=P1^0;
   7          uchar a;
   8          
   9          void main()
  10          {
  11   1              a=0;
  12   1              TMOD=0x01;
  13   1              TH0=(65536-50000)/256;
  14   1              TL0=(65536-50000)%256;
  15   1              EA=1;
  16   1              ET0=1;
  17   1              TR0=1;
  18   1              while(1);
  19   1              
  20   1      }
  21          
  22          void exter0() interrupt 1
  23          {
  24   1              TH0=(65536-50000)/256;
  25   1              TL0=(65536-50000)%256;
  26   1              a++;
  27   1              if(a==20)
  28   1              {
  29   2                      a=0;
  30   2                      D=~D;
  31   2              }
  32   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     53    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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