main.lst

《8051系列单片机C程序设计完全手册》的光盘中的所有源代码

C51 COMPILER V6.23a  MAIN                                                                  11/06/2002 09:49:43 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      
  16   1              int sub_max(int *b,int i);
  17   1              int n,a[10],*ptr=a;
  18   1              int max;
  19   1      /*------------------------------------------------
  20   1      Setup the serial port for 1200 baud at 16MHz.
  21   1      ------------------------------------------------*/
  22   1      #ifndef MONITOR51
  23   1          SCON  = 0x50;                       /* SCON: mode 1, 8-bit UART, enable rcvr      */
  24   1          TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
  25   1          TH1   = 221;                /* TH1:  reload value for 1200 baud @ 16MHz   */
  26   1          TR1   = 1;                  /* TR1:  timer 1 run                          */
  27   1          TI    = 1;                  /* TI:   set TI to send first char of UART    */
  28   1      #endif
  29   1      /*------------------------------------------------
  30   1      Note that an embedded program never exits (because
  31   1      there is no operating system to return to).  It
  32   1      must loop and execute forever.
  33   1      ------------------------------------------------*/
  34   1              for( n = 0 ; n <= 9 ; n++)
  35   1                      scanf ( "%d" , &a[n]) ;
  36   1              max = sub_max (ptr,10) ;
  37   1              printf("max=%d\n",max) ;
  38   1          while (1) {};
  39   1      }
  40          int sub_max(int *b,int i)/*形式参数为指针变量*/
  41          {
  42   1              int temp,j;
  43   1              temp=*b++;
  44   1              for(j=1;j<=i-1;j++)
  45   1                      if(temp<*b) temp=*b++;
  46   1                      return temp;
  47   1      }
  48          
  49          
  50          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    313    ----
   CONSTANT SIZE    =     11    ----
C51 COMPILER V6.23a  MAIN                                                                  11/06/2002 09:49:43 PAGE 2   

   XDATA SIZE       =   ----      34
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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