interrupt.lst

QH_MCU_V1.1单片机C源码. 内含实验程序 这是修改版.

C51 COMPILER V7.07   INTERRUPT                                                             09/20/2007 09:33:08 PAGE 1   


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

stmt level    source

   1          #include <REG51.H>
   2          #include <sys.h>
   3          
   4          static uchar beep_flag = 0;
   5          void delay ();
   6          void speaker1();
   7          void ISRit0(void) interrupt 0 using 0
   8          {
   9   1        EA = 0;
  10   1        beep_flag = 1;
  11   1        EA = 1;
  12   1      }
  13          
  14          void isr_it1(void) interrupt 2 using 1
  15          {
  16   1              EA = 0;
  17   1              beep_flag = 0;
  18   1              EA = 1;
  19   1      }
  20            
  21          
  22          void main()
  23          {
  24   1              EA = 1;
  25   1              IT0 = 1;
  26   1        EX0 = 1;
  27   1        EX1 = 1;
  28   1        speaker1();
  29   1      
  30   1              while(1)
  31   1              {
  32   2           if(beep_flag)
  33   2                speaker1();
  34   2      
  35   2              }
  36   1      }
  37          
  38          void delay()
  39          {
  40   1          uchar i = 0;
  41   1              uchar j = 0;
  42   1        for (j=0;j<255;j++)
  43   1         {
  44   2          for (i=0; i<250; i++)
  45   2                ;
  46   2         }
  47   1      }
  48          
  49          void speaker1()
  50            {
  51   1           delay ();
  52   1           P2 = 0x10;
  53   1           P0 = 0xf7;
  54   1           P2 = 0x00;
  55   1           P2 = 0x80;
C51 COMPILER V7.07   INTERRUPT                                                             09/20/2007 09:33:08 PAGE 2   

  56   1           P0 = 0x01;
  57   1                 delay ();
  58   1           P0 = 0x00;
  59   1           P2 = 0x00;
  60   1         }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     76    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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