C51 COMPILER V9.60.7.0   KEY                                                               03/10/2025 18:03:54 PAGE 1   


C51 COMPILER V9.60.7.0, COMPILATION OF MODULE KEY
OBJECT MODULE PLACED IN .\Objects\key.obj
COMPILER INVOKED BY: D:\Keil_v5\C51\BIN\C51.EXE ..\driver\key.c OPTIMIZE(8,SPEED) BROWSE INCDIR(..\driver;..\user) DEBUG
                    - OBJECTEXTEND PRINT(.\Listings\key.lst) TABS(2) OBJECT(.\Objects\key.obj)

line level    source

   1          #include "key.h"
   2          unsigned char Key_Read() {
   3   1        unsigned char temp = 0;
   4   1        ET1 = 0;
   5   1      
   6   1        P44 = 0;
   7   1        P42 = 1;
   8   1        P35 = 1;
   9   1        P34 = 1;
  10   1        if (P33 == 0) temp = 4;
  11   1        if (P32 == 0) temp = 5;
  12   1        if (P31 == 0) temp = 6;
  13   1        if (P30 == 0) temp = 7;
  14   1      
  15   1        P44 = 1;
  16   1        P42 = 0;
  17   1        P35 = 1;
  18   1        P34 = 1;
  19   1        if (P33 == 0) temp = 8;
  20   1        if (P32 == 0) temp = 9;
  21   1        if (P31 == 0) temp = 10;
  22   1        if (P30 == 0) temp = 11;
  23   1      
  24   1        P44 = 1;
  25   1        P42 = 1;
  26   1        P35 = 0;
  27   1        P34 = 1;
  28   1        if (P33 == 0) temp = 12;
  29   1        if (P32 == 0) temp = 13;
  30   1        if (P31 == 0) temp = 14;
  31   1        if (P30 == 0) temp = 15;
  32   1      
  33   1        P44 = 1;
  34   1        P42 = 1;
  35   1        P35 = 1;
  36   1        P34 = 0;
  37   1        if (P33 == 0) temp = 16;
  38   1        if (P32 == 0) temp = 17;
  39   1        if (P31 == 0) temp = 18;
  40   1        if (P30 == 0) temp = 19;
  41   1      
  42   1        P3 = 0xff;
  43   1        ET1 = 1;
  44   1        return temp;
  45   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    122    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
C51 COMPILER V9.60.7.0   KEY                                                               03/10/2025 18:03:54 PAGE 2   

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


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