2-8.lst

一些简单的c51程序

C51 COMPILER V7.09   2_8                                                                   08/25/2005 09:23:08 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE 2_8
OBJECT MODULE PLACED IN 2-8.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 2-8.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <stdio.h>
   2          #include <reg51.h>
   3          unsigned moveright(unsigned value, int n);
   4          unsigned moveleft(unsigned value, int n);
   5          main()
   6          
   7          {
   8   1              unsigned a;
   9   1              int n;
  10   1              SCON = 0x50; 
  11   1      TMOD |= 0x20; 
  12   1      TH1 = 0xf3; 
  13   1      TR1 = 1;
  14   1      TI = 1; 
  15   1              printf("请数入一个8进制数：");
  16   1              scanf("%o", &a);
  17   1              printf("请输入要位移的位数：");
  18   1              scanf("%d", &n);
  19   1              if(n>0)
  20   1              {
  21   2              printf("循环右移的结果为：%o\n", moveright(a,n));
  22   2              }
  23   1              else
  24   1              {
  25   2                      n=-n;
  26   2                      printf("循环左移的结果为：%o\n", moveleft(a,n));
  27   2              }
  28   1      }
  29          unsigned moveright(unsigned value, int n)        //循环右移
  30          {
  31   1              unsigned z;
  32   1              z=(value>>n)|(value<<(16-n));
  33   1              return z;
  34   1      }
  35          unsigned moveleft(unsigned value, int n)         //循环左移
  36          {
  37   1              unsigned z;
  38   1              z=(value<<n)|(value>>(16-n));
  39   1              return z;
  40   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    244    ----
   CONSTANT SIZE    =     91    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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