main.lst

8051单片机C语言设计完全手册

C51 COMPILER V6.23a  MAIN                                                                  11/20/2002 00:18:10 PAGE 1   


C51 COMPILER V6.23a, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c LARGE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <REG52.H>                /* special function register declarations   */
   2                                            /* for the intended 8051 derivative         */
   3          
   4          #include <stdio.h>                /* prototype declarations for I/O functions */
   5          
   6          #ifdef MONITOR51                         /* Debugging with Monitor-51 needs   */
              char code reserve [3] _at_ 0x23;         /* space for serial interrupt if     */
              #endif                                   /* Stop Exection with Serial Intr.   */
   9                                                   /* is enabled                        */
  10          /*------------------------------------------------
  11          The main C function.  Program execution starts
  12          here after stack initialization.
  13          ------------------------------------------------*/
  14          void main (void) {
  15   1              char str[10],*p=str;
  16   1              int i;
  17   1      
  18   1      /*------------------------------------------------
  19   1      Setup the serial port for 1200 baud at 16MHz.
  20   1      ------------------------------------------------*/
  21   1      #ifndef MONITOR51
  22   1          SCON  = 0x50;                       /* SCON: mode 1, 8-bit UART, enable rcvr      */
  23   1          TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
  24   1          TH1   = 221;                /* TH1:  reload value for 1200 baud @ 16MHz   */
  25   1          TR1   = 1;                  /* TR1:  timer 1 run                          */
  26   1          TI    = 1;                  /* TI:   set TI to send first char of UART    */
  27   1      #endif
  28   1      /*------------------------------------------------
  29   1      Note that an embedded program never exits (because
  30   1      there is no operating system to return to).  It
  31   1      must loop and execute forever.
  32   1      ------------------------------------------------*/
  33   1              scanf( "%s" ,str);/*输入的字符串长度超过1 0 */
  34   1              for( i=0;i<10;i++)
  35   1                      printf("%c",*p++);/*正确输出*/
  36   1              printf("\n") ;
  37   1              p=str;
  38   1              printf("%s",p);/*字符数组无'\0'标志，输出出错*/
  39   1              puts(str);/*字符数组无' \0'标志，输出出错*/
  40   1          while (1) {};
  41   1      }
  42          
  43          
  44          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    184    ----
   CONSTANT SIZE    =      8    ----
   XDATA SIZE       =   ----      15
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.

C51 COMPILER V6.23a  MAIN                                                                  11/20/2002 00:18:10 PAGE 2   


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