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                                                                  11/20/2002 00:48:35 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          #include <string.h>
   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 *ptr1[4],str[4][20],temp[20];
  16   1              /*定义指针数组、二维字符数组、用于交换的一维字符数组*/
  17   1              int i,j;
  18   1      
  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                      gets(str[i],20);/*输入4个字符串*/
  36   1              printf("\n") ;
  37   1              for(i=0;i<4;i++)
  38   1                      ptr1[i] = str[i] ;/*将二维字符数组各行的首地址传递给指针数组的各指针*/
  39   1              printf("original string:\n");
  40   1              for(i=0;i <4;i++)/*按行输出原始各字符串*/
  41   1                      printf("%s\n",ptr1[i]) ;
  42   1              printf("ordinal string:\n");
  43   1              for(i=0;i<3;i++)/*冒泡排序*/
  44   1                      for ( j = 0 ; j <4-i-1; j++)
  45   1                              if(strcmp(ptr1[j],ptr1[j+1])>0)
  46   1                              {
  47   2                                      strcpy(temp,ptr1[j]);
  48   2                                      strcpy(ptr1[j],ptr1[j+1]) ;
  49   2                                      strcpy(ptr1[j+1],temp) ;
  50   2                              }
  51   1              for( i=0;i<4;i++)/*输出排序后的字符串*/
  52   1                      printf("%s\n" , ptr1[i]);
  53   1          while (1) {};
  54   1      }
  55          
C51 COMPILER V6.23a  MAIN                                                                  11/20/2002 00:48:35 PAGE 2   

  56          
  57          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    713    ----
   CONSTANT SIZE    =     41    ----
   XDATA SIZE       =   ----     116
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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