main.lst

《单片机c程序设计及应用实列》一书的源代

C51 COMPILER V6.23a  MAIN                                                                  11/20/2002 00:44:01 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              char *ptr1[4]={"china","chengdu","sichuang","chongqin"};
  17   1              /* 指针数组ptr1 的4 个指针分别依此指向4个字符串*/
  18   1              int i,*ptr2[3],a[3]={1,2,3},b[3][2]={1,2,3,4,5,6};
  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 (i=0;i<4;i++)
  35   1                      printf("\n%s",ptr1[i]);/*依此输出ptr1数组4个指针指向的4个字符串*/
  36   1              printf("\n") ;
  37   1              for(i=0;i<3;i++)
  38   1                      ptr2[i]=&a[i];/*将整型一维数组a的3个元素的地址传递给指针数组ptr2*/
  39   1              for(i=0;i<3;i++)/*依此输出ptr2所指向的3个整型变量的值*/
  40   1                      printf("%4d",*ptr2[i]) ;
  41   1              printf("\n");
  42   1              for(i=0;i<3;i++)
  43   1                      ptr2[i]=b[i];/*传递二维数组b的每行首地址给指针数组的4个指针*/
  44   1              for(i=0;i<3;i++)/*按行输出*/
  45   1                      printf("%4d%4d\n",*ptr2[i],*ptr2[i]+1);
  46   1          while (1) {};
  47   1      }
  48          
  49          
  50          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    532    ----
   CONSTANT SIZE    =     80    ----
C51 COMPILER V6.23a  MAIN                                                                  11/20/2002 00:44:01 PAGE 2   

   XDATA SIZE       =   ----      41
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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