test.lst

单片机的按键查询程序

C51 COMPILER V7.20   TEST                                                                  11/17/2005 09:55:39 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE TEST
OBJECT MODULE PLACED IN test.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE test.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*-------------------------------------- www.00IC.com--------------------------------------------
   2                                ╔=======================================╗
   3                                ┆     00IC-51开发板配套实验学习例程     ┆
   4                                ┆             Version 2.0.1             ┆
   5                                ┆                                       ┆
   6                                ┆               零零电子                ┆
   7                                ┆                                       ┆
   8                                ┆          http://www.00IC.com          ┆
   9                                ┆         E-mail:[e-mail]         ┆
  10                                ╚=======================================╝
  11          ************************* *********** 程序功能说明 **********************************************
  12          按第一个按键，4个绿色LED灯(1、3、5、7)亮；按第二个按键，4个红色LED灯(2、4、6、8)亮；
  13          按第三个按键，LED灯1、2、3、6、7、8亮；按第四个按键，LED灯全亮；按第五个按键，LED灯全灭；                                                               
  14          ********************************************************************************************/
  15          #include <reg52.h>
  16          
  17          sbit key1 = P3^2;
  18          sbit key2 = P3^3;
  19          sbit key3 = P3^4;
  20          sbit key4 = P3^5;
  21          sbit key5 = P3^7;
  22          
  23          void Delay(int m)
  24          {
  25   1              while(--m);
  26   1      }
  27          
  28          void main(void)
  29          {
  30   1              while(1)
  31   1              {
  32   2                      if(!key1)
  33   2                      {
  34   3                              P1 = 0xAA;
  35   3                              Delay(50000);
  36   3                      }
  37   2                      if(!key2)
  38   2                      {
  39   3                              P1 = 0x55;
  40   3                              Delay(50000);
  41   3                      }
  42   2                      if(!key3)
  43   2                      {               
  44   3                              P1 = 0x18;
  45   3                              Delay(50000);
  46   3                      }
  47   2                      if(!key4)
  48   2                      {
  49   3                              P1 = 0x00;
  50   3                              Delay(50000);
  51   3                      }
  52   2                      if(!key5)
  53   2                      {
  54   3                              P1 = 0xFF;
  55   3                              Delay(50000);
C51 COMPILER V7.20   TEST                                                                  11/17/2005 09:55:39 PAGE 2   

  56   3                      }
  57   2              }
  58   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     61    ----
   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)