main.lst

C-Code for 8051 external interrupt triggering

C51 COMPILER V7.00  MAIN                                                                   12/13/2008 03:10:49 PAGE 1   


C51 COMPILER V7.00, 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          #include <REG52.H>
   2          
   3          /*=============================================================================
   4          =============================================================================*/
   5          unsigned char ex0_isr_counter = 0;
   6          
   7          void ex0_isr (void) interrupt 0
   8          {
   9   1      ex0_isr_counter++;   // Increment the count
  10   1      }
  11          
  12          void ex1_isr (void) interrupt 2
  13          {
  14   1      ex0_isr_counter--;   // Increment the count
  15   1      }
  16          /*=============================================================================
  17          =============================================================================*/
  18          void main (void)
  19          {
  20   1      
  21   1      /*-----------------------------------------------
  22   1      Configure INT0 (external interrupt 0) to generate
  23   1      an interrupt on the falling-edge of /INT0 (P3.2).
  24   1      Enable the EX0 interrupt and then enable the
  25   1      global interrupt flag.
  26   1      -----------------------------------------------*/
  27   1      IT0 = 1;   // Configure interrupt 0 for falling edge on /INT0 (P3.2)
  28   1      EX0 = 1;   // Enable EX0 Interrupt
  29   1      
  30   1      IT1 = 1;   // Configure interrupt 0 for falling edge on /INT0 (P3.2)
  31   1      EX1 = 1;   // Enable EX0 Interrupt
  32   1      
  33   1      
  34   1      EA = 1;    // Enable Global Interrupt Flag
  35   1      
  36   1      /*-----------------------------------------------
  37   1      Wait forever.
  38   1      -----------------------------------------------*/
  39   1      while (1)
  40   1        {
  41   2        }
  42   1      }
  43          
  44          /*=============================================================================
  45          =============================================================================*/
  46          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     18    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
C51 COMPILER V7.00  MAIN                                                                   12/13/2008 03:10:49 PAGE 2   

   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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