led.lst

单片机开发板源程序 适合初学者 第五部分 报警产生器

C51 COMPILER V7.06   LED                                                                   07/29/2007 13:50:01 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN LED.OBJ
COMPILER INVOKED BY: C:\Tools\Keil\C51\BIN\C51.EXE LED.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <AT89X51.H>
   2          unsigned char i;
   3          unsigned char temp;
   4          unsigned char a,b;
   5          
   6          void delay(void)
   7          {
   8   1        unsigned char m,n,s;
   9   1        for(m=20;m>0;m--)
  10   1        for(n=20;n>0;n--)
  11   1        for(s=248;s>0;s--);
  12   1      }
  13          void main(void)
  14          {
  15   1        while(1)
  16   1          {
  17   2            temp=0xfe;
  18   2            P0=temp;
  19   2            delay();
  20   2            for(i=1;i<8;i++)
  21   2              {
  22   3                a=temp<<i;
  23   3                b=temp>>(8-i);
  24   3                P0=a|b;
  25   3                delay();
  26   3              }
  27   2            for(i=1;i<8;i++)
  28   2              {
  29   3                a=temp>>i;
  30   3                b=temp<<(8-i);
  31   3                P0=a|b;
  32   3                delay();
  33   3              }
  34   2          }
  35   1      }
  36          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    124    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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