3-4.lst

一些简单的c51程序

C51 COMPILER V7.09   3_4                                                                   08/25/2005 09:36:12 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE 3_4
OBJECT MODULE PLACED IN 3-4.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 3-4.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <REG52.H>
   2          #include <stdio.h>
   3          void main (void) 
   4          {
   5   1              int month;
   6   1              int day;
   7   1              SCON = 0x50; 
   8   1      TMOD |= 0x20; 
   9   1      TH1 = 0xf3; 
  10   1      TR1 = 1;
  11   1      TI = 1; 
  12   1              
  13   1              printf("please input the month number :");
  14   1              scanf("%d",&month ) ;
  15   1              switch (month)
  16   1              {
  17   2                      case 1:
  18   2                      case 3:
  19   2                      case 5:
  20   2                      case 7:
  21   2                      case 8:
  22   2                      case 10:
  23   2                      case 12: day=31;
  24   2                                      break;
  25   2                      case 4:
  26   2                      case 6:
  27   2                      case 9:
  28   2                      case 11:day=30;
  29   2                                      break;
  30   2                      case 2: day=28;
  31   2                              break;
  32   2                      default : day=-1;
  33   2              }
  34   1              if(day==-1)
  35   1              printf("Invalid month input !\n");
  36   1              else
  37   1              printf("1999.%d has %d days \n",month,day);
  38   1          while (1) {};
  39   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    173    ----
   CONSTANT SIZE    =     80    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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