main.lst

DSPI/O口的扩展,学习键盘知识

C51 COMPILER V7.07   MAIN                                                                  03/11/2006 23:35:49 PAGE 1   


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

stmt level    source

   1          #include <reg52.h>
   2          
   3          
   4          /*************************************
   5          函数名:OUT
   6          输入：无
   7          输出：无
   8          功能：外部中断程序
   9          **************************************/
  10          void OUT(void) interrupt 0 using 0
  11          {
  12   1              P1=P1<<1;//LED移位
  13   1              if(P1==0) P1=0xff;//LED灯复位
  14   1      
  15   1      }
  16          
  17          void main()
  18          {
  19   1              EA=0;
  20   1              EX0=1;//中断允许 
  21   1              IT0=1;//下降沿触发中断
  22   1              EA=1;
  23   1              P1=0x1;
  24   1              while(1)
  25   1              {
  26   2                      ;
  27   2              }
  28   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     35    ----
   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)