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                                                                  11/13/2002 23:47:15 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 i;
  17   1              static char c[][16]={"clanguage","fox","computer","home page"};
  18   1              /*二维字符数组*/
  19   1              static char *cp[]={c[0],c[1],c[2],c[3]};/* 指针数组*/
  20   1              static char **cpp;/* 指向字符指针的指针变量*/
  21   1      /*------------------------------------------------
  22   1      Setup the serial port for 1200 baud at 16MHz.
  23   1      ------------------------------------------------*/
  24   1      #ifndef MONITOR51
  25   1          SCON  = 0x50;                       /* SCON: mode 1, 8-bit UART, enable rcvr      */
  26   1          TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
  27   1          TH1   = 221;                /* TH1:  reload value for 1200 baud @ 16MHz   */
  28   1          TR1   = 1;                  /* TR1:  timer 1 run                          */
  29   1          TI    = 1;                  /* TI:   set TI to send first char of UART    */
  30   1      #endif
  31   1      /*------------------------------------------------
  32   1      Note that an embedded program never exits (because
  33   1      there is no operating system to return to).  It
  34   1      must loop and execute forever.
  35   1      ------------------------------------------------*/
  36   1              cpp=cp;/*将指针数组的首地址传递给指向字符指针的指针变量*/
  37   1              for (i=0;i<4;i++)/*按行输出字符串*/
  38   1                      printf("%s\n",*cpp++) ;
  39   1              printf( " - - - - - - - - - - - \n " ) ;
  40   1              for (i=0;i<4;i++)/*按行输出字符串*/
  41   1              {
  42   2                      cpp=&cp[i] ;
  43   2                      printf("%s\n",*cpp) ;
  44   2              }
  45   1          while (1) {};
  46   1      }
  47          
  48          
  49          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    217    ----
   CONSTANT SIZE    =     30    ----
   XDATA SIZE       =     79       2
C51 COMPILER V6.23a  MAIN                                                                  11/13/2002 23:47:15 PAGE 2   

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


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