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 18:04:29 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 <stdlib.h>/*使用malloc( )需要*/
   6          
   7          #ifdef MONITOR51                         /* Debugging with Monitor-51 needs   */
              char code reserve [3] _at_ 0x23;         /* space for serial interrupt if     */
              #endif                                   /* Stop Exection with Serial Intr.   */
  10                                                   /* is enabled                        */
  11          struct data1 /*定义结构体*/
  12          {
  13                  int day,month,year;
  14          };
  15          struct stu/*定义结构体*/
  16          {
  17                  char name[20];
  18                  long num;
  19                  struct data1 birthday;/*嵌套的结构体类型成员*/
  20          } ;
  21          /*------------------------------------------------
  22          The main C function.  Program execution starts
  23          here after stack initialization.
  24          ------------------------------------------------*/
  25          void main (void) {
  26   1      
  27   1              struct stu *student;/*定义结构体类型指针*/
  28   1      /*------------------------------------------------
  29   1      Setup the serial port for 1200 baud at 16MHz.
  30   1      ------------------------------------------------*/
  31   1      #ifndef MONITOR51
  32   1          SCON  = 0x50;                       /* SCON: mode 1, 8-bit UART, enable rcvr      */
  33   1          TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
  34   1          TH1   = 221;                /* TH1:  reload value for 1200 baud @ 16MHz   */
  35   1          TR1   = 1;                  /* TR1:  timer 1 run                          */
  36   1          TI    = 1;                  /* TI:   set TI to send first char of UART    */
  37   1      #endif
  38   1      /*------------------------------------------------
  39   1      Note that an embedded program never exits (because
  40   1      there is no operating system to return to).  It
  41   1      must loop and execute forever.
  42   1      ------------------------------------------------*/
  43   1              init_mempool(0x1000,0x500);
  44   1              student=malloc(sizeof(struct stu));/*为指针变量分配安全的地址*/
  45   1              printf("Input name,number,year,month,day:\n");
  46   1              scanf("%s",student->name);/*输入学生姓名、学号、出生年月日*/
  47   1              scanf("%ld",&student->num) ;
  48   1              scanf("%d%d%d",&student->birthday.year,&student->birthday.month,&student->birthday.day);
  49   1              printf("\nOutput name,number,year,month,day\n" );
  50   1              /*打印输出各成员项的值*/
  51   1                      printf("%20s%10ld%10d//%d//%d\n",student->name,student->num,
  52   1                      student->birthday.year,student->birthday.month,
  53   1                      student->birthday.day) ;
  54   1          while (1) {};
  55   1      }
C51 COMPILER V6.23a  MAIN                                                                  11/20/2002 18:04:29 PAGE 2   

  56          
  57          
  58          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    318    ----
   CONSTANT SIZE    =    108    ----
   XDATA SIZE       =   ----       3
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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