led.lst

这是我以前做过的51单片机实验代码

C51 COMPILER V8.08   LED                                                                   04/06/2008 20:23:57 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN LED.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE LED.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          int k=0,w=0;
   3          void timer()interrupt 1
   4          {
   5   1      k++;
   6   1      TH0=0X4C;
   7   1      TL0=0X00;
   8   1      }
   9          void delay(unsigned int x)
  10          {
  11   1      while(x--);
  12   1      }
  13          void main()
  14          {
  15   1      P0=0x00;
  16   1      EA=0;
  17   1      TMOD=0X01;
  18   1      TH0=0X4C;
  19   1      TL0=0X00;
  20   1      EA=1;
  21   1      ET0=1;
  22   1      TR0=1;
  23   1      while(1)
  24   1      {
  25   2      if(k==10)
  26   2      {
  27   3      k=0;
  28   3      w++;
  29   3      switch(w){
  30   4              case '0':  P0=0X3f;delay(10); break;
  31   4              case '1':  P0=0X06;delay(10); break;
  32   4              case '2':  P0=0X5b;delay(10); break;
  33   4              case '3':  P0=0X4F;delay(10); break;
  34   4              case '4':  P0=0X66;delay(10); break;
  35   4              case '5':  P0=0X6d;delay(10); break;
  36   4              case '6':  P0=0X7d;delay(10); break;
  37   4              case '7':  P0=0X07;delay(10); break;
  38   4              case '8':  P0=0X7f;delay(10); break;
  39   4              case '9':  P0=0X6f;delay(10); break;
  40   4      
  41   4      
  42   4      
  43   4      }} }
  44   1       }                


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    192    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.

C51 COMPILER V8.08   LED                                                                   04/06/2008 20:23:57 PAGE 2   


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