C51 COMPILER V8.02   ZHISHI                                                                06/25/2010 16:48:20 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE ZHISHI
OBJECT MODULE PLACED IN zhishi.OBJ
COMPILER INVOKED BY: D:\处理软件\keil\C51\BIN\C51.EXE zhishi.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /********************************************************************
   2                                          “天祥电子”            倾情奉献
   3                                                          www.txmcu.com
   4                                                          www.txmcu.cn
   5          **********************************************************************
   6          
   7          程序功能：      用led指示TX-1C学习板键盘最下面一排左侧的S2键的状态。
   8                                  当按键按下时，led亮；松开后，灭。
   9          
  10          **********************************************************************/
  11          
  12          #include<reg51.h>
  13          
  14          sbit s2=P3^4;
  15          sbit s3=P3^5;
  16          sbit s4=P3^6;
  17          sbit s5=P3^7;
  18          sbit led1=P1^0;
  19          sbit led2=P1^1;
  20          sbit led3=P1^2;
  21          sbit led4=P1^3;
  22          
  23          void main()
  24          {
  25   1              while(1)
  26   1              {
  27   2                      if(s2==0)
  28   2                              led1=0;
  29   2                      else
  30   2                              led1=1;
  31   2      
  32   2                      if(s3==0)
  33   2                              led2=0;
  34   2                      else
  35   2                              led2=1;
  36   2      
  37   2                      if(s4==0)
  38   2                              led3=0;
  39   2                      else
  40   2                              led3=1;
  41   2      
  42   2                      if(s5==0)
  43   2                              led4=0;
  44   2                      else
  45   2                              led4=1;
  46   2              }
  47   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     38    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
C51 COMPILER V8.02   ZHISHI                                                                06/25/2010 16:48:20 PAGE 2   

   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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