flashled.lst

利用取表的方法

C51 COMPILER V6.12  FLASHLED                                                               07/28/2007 12:37:40 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE FLASHLED
OBJECT MODULE PLACED IN .\flashled.OBJ
COMPILER INVOKED BY: C:\单片机\Keil\C51\BIN\C51.EXE .\flashled.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          void delay(void)            /*延时0.2秒*/
   6          { 
   7   1        unsigned char m,n,s; 
   8   1        for(m=20;m>0;m--) 
   9   1        for(n=20;n>0;n--) 
  10   1        for(s=248;s>0;s--); 
  11   1      } 
  12          void main(void) 
  13          { 
  14   1        while(1) 
  15   1          { 
  16   2            temp=0xfe; 
  17   2            P1=temp;               /*P1赋值feH*/
  18   2            delay(); 
  19   2            for(i=1;i<8;i++)       /*L1到L8*/    
  20   2              { 
  21   3                a=temp<<i; 
  22   3                b=temp>>(8-i); 
  23   3                P1=a|b;           /*按位或*/
  24   3                delay(); 
  25   3              } 
  26   2            for(i=1;i<8;i++)       /*L8到L1*/ 
  27   2              { 
  28   3                a=temp>>i; 
  29   3                b=temp<<(8-i); 
  30   3                P1=a|b; 
  31   3                delay(); 
  32   3              } 
  33   2          } 
  34   1      } 


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)