counter.lst

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C51 COMPILER V6.22  COUNTER                                                                01/30/2002 13:40:12 PAGE 1   


C51 COMPILER V6.22, COMPILATION OF MODULE COUNTER
OBJECT MODULE PLACED IN COUNTER.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE COUNTER.C ROM(SMALL) OPTIMIZE(9,SPEED) BROWSE INTVECTOR(0X4000) DEBUG OBJEC
                    -TEXTEND

stmt level    source

   1          /*------------------------------------------------------------------------------
   2          HELLO.C
   3          
   4          Copyright 1995-2002 Keil Software, Inc.
   5          ------------------------------------------------------------------------------*/
   6          
   7          #include <REG420.H>               /* special function register declarations   */
   8                                            /* for the intended 8051 derivative         */
   9          
  10          #include <stdio.h>                /* prototype declarations for I/O functions */
  11          
  12          
  13          #ifdef MONITOR                           /* Debugging with Monitor-51 needs   */
              char code reserve [3] _at_ 0x23;         /* space for serial interrupt if     */
              #endif                                   /* Stop Exection with Serial Intr.   */
  16                                                   /* is enabled                        */
  17          
  18          
  19          /*------------------------------------------------
  20          The main C function.  Program execution starts
  21          here after stack initialization.
  22          ------------------------------------------------*/
  23          void main (void) {
  24   1      
  25   1      unsigned int counter;
  26   1      
  27   1      /*------------------------------------------------
  28   1      Setup the serial port for 19200 baud at 22.1MHz.
  29   1      ------------------------------------------------*/
  30   1      #ifndef MONITOR
  31   1          SCON0  = 0x50;                      /* SCON0: mode 1, 8-bit UART, enable rcvr       */
  32   1          TMOD |= 0x20;             /* TMOD: timer 1, mode 2, 8-bit reload          */
  33   1          TH1   = 0xFD;            /* TH1:  reload value for 19200 baud @ 22.100 MHz*/
  34   1          TR1   = 1;                /* TR1:  timer 1 run                            */
  35   1          TI_0  = 1;                /* TI_0:   set TI to send first char of UART    */
  36   1      #endif
  37   1      
  38   1      /*------------------------------------------------
  39   1      Note that an embedded program never exits (because
  40   1      there is no operating system to return to).  It
  41   1      must loop and execute forever.
  42   1      ------------------------------------------------*/
  43   1        while (1) {
  44   2          
  45   2          for ( counter = 1; counter <= 1000; counter++ )  {
  46   3            
  47   3            P1 ^= 0x01;                                   /* Toggle P1.0 each time we print */
  48   3            printf ("\ncounter = %d", counter );    /* Print the context of counter   */
  49   3          }      
  50   2          
  51   2        }
  52   1      }
  53          
  54          
C51 COMPILER V6.22  COUNTER                                                                01/30/2002 13:40:12 PAGE 2   



MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     55    ----
   CONSTANT SIZE    =     14    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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