ex11.lst

单片机c51程序设计实例参考程序如需下次再上传

C51 COMPILER V6.02  EX11                                                                   09/15/2002 22:49:35 PAGE 1   


C51 COMPILER V6.02, COMPILATION OF MODULE EX11
OBJECT MODULE PLACED IN .\ex11.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\ex11.c 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          
   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          
  12          
  13          /*------------------------------------------------
  14          The main C function.  Program execution starts
  15          here after stack initialization.
  16          ------------------------------------------------*/
  17          void main (void) {
  18   1      
  19   1      	float x,y,t;
  20   1      /*------------------------------------------------
  21   1      Setup the serial port for 1200 baud at 16MHz.
  22   1      ------------------------------------------------*/
  23   1      #ifndef MONITOR51
  24   1          SCON  = 0x50;		        /* SCON: mode 1, 8-bit UART, enable rcvr      */
  25   1          TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
  26   1          TH1   = 221;                /* TH1:  reload value for 1200 baud @ 16MHz   */
  27   1          TR1   = 1;                  /* TR1:  timer 1 run                          */
  28   1          TI    = 1;                  /* TI:   set TI to send first char of UART    */
  29   1      #endif
  30   1      /*------------------------------------------------
  31   1      Note that an embedded program never exits (because
  32   1      there is no operating system to return to).  It
  33   1      must loop and execute forever.
  34   1      ------------------------------------------------*/
  35   1      	printf("input x,y:");
  36   1      	scanf( "%f %f",&x,&y) ;
  37   1      	if (x<y)
  38   1      	{
  39   2      		t=x ;
  40   2      		x=y ;
  41   2      		y=t;
  42   2      	}
  43   1      	printf("result:%7.3f\t%7.3f\n",x,y);
  44   1          while (1) {};
  45   1      }
  46          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    141    ----
   CONSTANT SIZE    =     37    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      12
   IDATA SIZE       =   ----    ----
C51 COMPILER V6.02  EX11                                                                   09/15/2002 22:49:35 PAGE 2   

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


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