led.lst

单片机开发资料光盘-双龙-686M.zip

C51 COMPILER V7.01  LED                                                                    08/22/2002 11:29:51 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN led.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE led.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <AT89X52.H>
   2          void Delay(void)
   3                  {
   4   1              unsigned int a, b;
   5   1              for (a=0;a<250;a++)
   6   1                  {         
   7   2                    for (b=0;b<250; b++)
   8   2                       ;
   9   2                   }          
  10   1              }
  11          void LED_On(unsigned char i)
  12                  {
  13   1              P0=~(1<<i); 
  14   1              P2=~(1<<i);
  15   1              P1=~(1<<i);
  16   1              Delay();
  17   1              }
  18          
  19          void main(void)
  20                  {
  21   1              int i;
  22   1          P0=0xff;
  23   1          P1=0xff;
  24   1              P2=0xff;
  25   1          P3=0xff;
  26   1              while (1)
  27   1                      {
  28   2                      for (i = 0; i < 8; i++)
  29   2                              LED_On(i);
  30   2                              for (i = 8; i > 0; i--)
  31   2                              LED_On(i);
  32   2                      for (i = 0; i < 8; i += 2)
  33   2                              LED_On(i);
  34   2                      for (i = 7; i > 0; i -= 2)
  35   2                              LED_On(i);
  36   2                      }
  37   1              }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    158    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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