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 V6.02  MAIN                                                                   09/23/2002 00:34:01 PAGE 1   


C51 COMPILER V6.02, 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 *p1,*p2,a,b,*t;
  17   1      /*------------------------------------------------
  18   1      Setup the serial port for 1200 baud at 16MHz.
  19   1      ------------------------------------------------*/
  20   1      #ifndef MONITOR51
  21   1          SCON  = 0x50;		        /* SCON: mode 1, 8-bit UART, enable rcvr      */
  22   1          TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
  23   1          TH1   = 221;                /* TH1:  reload value for 1200 baud @ 16MHz   */
  24   1          TR1   = 1;                  /* TR1:  timer 1 run                          */
  25   1          TI    = 1;                  /* TI:   set TI to send first char of UART    */
  26   1      #endif
  27   1      /*------------------------------------------------
  28   1      Note that an embedded program never exits (because
  29   1      there is no operating system to return to).  It
  30   1      must loop and execute forever.
  31   1      ------------------------------------------------*/
  32   1      	scanf ("%d ,%d" ,&a, &b);
  33   1      	p1 =&a;
  34   1      	p2 =&b;
  35   1      	if( *p1< *p2)
  36   1      	{ /*指针交换指向*/
  37   2      		t=p1;
  38   2      		p1=p2;
  39   2      		p2=t;
  40   2      	}
  41   1      	printf ("%d ,%d \n",*p1,*p2);
  42   1          while (1) {};
  43   1      }
  44          
  45          
  46          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    222    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----      13
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
C51 COMPILER V6.02  MAIN                                                                   09/23/2002 00:34:01 PAGE 2   

   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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