hello.lst

单片机C语言参考程序

C51 COMPILER V7.06   HELLO                                                                 03/22/2004 11:11:57 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE HELLO
OBJECT MODULE PLACED IN HELLO.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE HELLO.C INTVECTOR(0X8000) DEBUG OBJECTEXTEND

stmt level    source

   1          /*------------------------------------------------------------------------------
   2          HELLO.C
   3          
   4          Copyright 1995-1999 Keil Software, Inc.
   5          ------------------------------------------------------------------------------*/
   6          
   7          #include <AT89X52.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 MONITOR51                         /* 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      /*------------------------------------------------
  26   1      Setup the serial port for 1200 baud at 16MHz.
  27   1      ------------------------------------------------*/
  28   1      #ifndef MONITOR51
  29   1          SCON  = 0x50;                       /* SCON: mode 1, 8-bit UART, enable rcvr      */
  30   1          TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
  31   1          TH1   = 0xfd;                /* TH1:  reload value for 1200 baud @ 16MHz   */
  32   1          TR1   = 1;                  /* TR1:  timer 1 run                          */
  33   1          TI    = 1;                  /* TI:   set TI to send first char of UART    */
  34   1      #endif
  35   1      
  36   1      /*------------------------------------------------
  37   1      Note that an embedded program never exits (because
  38   1      there is no operating system to return to).  It
  39   1      must loop and execute forever.
  40   1      ------------------------------------------------*/
  41   1        while (1) {
  42   2          P1_0=0;
  43   2              P1_1=0;
  44   2              P1_2=0;   
  45   2              P1_3=0; /*Toggle P1.0 each time we print */
  46   2          printf ("Hello World\n");   /* Print "Hello World" */
  47   2        }
  48   1      }
  49          
  50          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     32    ----
   CONSTANT SIZE    =     13    ----
C51 COMPILER V7.06   HELLO                                                                 03/22/2004 11:11:57 PAGE 2   

   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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