4-6.lst

一些简单的c51程序

C51 COMPILER V7.09   4_6                                                                   08/25/2005 10:54:51 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE 4_6
OBJECT MODULE PLACED IN 4-6.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 4-6.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <stdio.h>
   2          #include <reg51.h>
   3          unsigned long mul(int n);
   4                 int main()
   5                {
   6   1                int m;
   7   1                        SCON = 0x50; 
   8   1      TMOD |= 0x20; 
   9   1      TH1 = 0xf3; 
  10   1      TR1 = 1;
  11   1      TI = 1; 
  12   1      
  13   1                puts("Calculate n! n=?\n");
  14   1                scanf("%d",&m);
  15   1                printf("%d!=%ld\n",m,mul(m));
  16   1                getchar();
  17   1            }
  18                  unsigned long mul(int n)
  19               {
  20   1                unsigned long p;
  21   1                if(n>1)
  22   1                     p=n*mul(n-1); 
  23   1                else
  24   1                     p=1L;
  25   1                return(p);
  26   1           }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    153    ----
   CONSTANT SIZE    =     30    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       8
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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