C51 COMPILER V9.56.0.0   CODE                                                              04/07/2017 19:07:00 PAGE 1   


C51 COMPILER V9.56.0.0, COMPILATION OF MODULE CODE
OBJECT MODULE PLACED IN .\Objects\code.obj
COMPILER INVOKED BY: C:\Keil_v5\C51\BIN\C51.exe code.c OPTIMIZE(8,SPEED) BROWSE DEBUG OBJECTEXTEND PRINT(.\Listings\code
                    -.lst) TABS(2) OBJECT(.\Objects\code.obj)

line level    source

   1          #include <reg51.h>
   2          #include <intrins.h>
   3          
   4          unsigned char x, y, i, w, digit, j = 0;
   5          char mas[10];
   6          float numb, m = 0;
   7          //char scancode[] = {0x7f,0xbf,0xff};
   8          
   9          Delay(int t)
  10          {
  11   1        while(t--);
  12   1      }
  13          
  14          char what(void); 
  15          
  16          scan() interrupt 2
  17          {
  18   1        w=P2;
  19   1        j++;
  20   1        if(j == 3) 
  21   1          j = 0;
  22   1        P3=w;
  23   1        Delay(100);
  24   1        what();
  25   1        Delay(100);
  26   1      }
  27          
  28          main ()
  29          {
  30   1        x = 0xFE;
  31   1        numb = 0;
  32   1        i = 0;
  33   1        m = 0;
  34   1        IT1 = 1;
  35   1        EX1 = 1;
  36   1        EA = 1;
  37   1        while (digit != 'e')  Delay(100);
  38   1        while(1);
  39   1      
  40   1      }
  41          char what(void)
  42          {
  43   1        if(i == 0) // clear all
  44   1        {
  45   2          numb = 0;
  46   2          m = 0;
  47   2        }
  48   1      
  49   1        switch (w) // check value of button
  50   1        {
  51   2        
  52   2          case 0x77: digit='9'; break;
  53   2          case 0x6f: digit='8'; break;
  54   2      
C51 COMPILER V9.56.0.0   CODE                                                              04/07/2017 19:07:00 PAGE 2   

  55   2          case 0xbd: digit='7'; break;
  56   2          case 0xbb: digit='6'; break;
  57   2          case 0xb7: digit='5'; break;
  58   2          case 0xaf: digit='4'; break;
  59   2      
  60   2          case 0xdd: digit='3'; break;
  61   2          case 0xdb: digit='2'; break;
  62   2          case 0xd7: digit='1'; break;
  63   2          case 0xcf: digit='0'; break;
  64   2      
  65   2          case 0xed: digit='e'; break;
  66   2          case 0xe7: digit=','; break;
  67   2          case 0xdf: digit='-'; break;
  68   2      
  69   2          default: digit=0xff;
  70   2        }
  71   1      
  72   1        if(digit == 0xff) // exit if default
  73   1        {
  74   2          goto exit;
  75   2        }
  76   1      
  77   1        if(digit == ',') // if , is readed
  78   1        {
  79   2          m = 1; // need to divide
  80   2          mas[i++] = digit; // write , to massive
  81   2          goto exit;
  82   2        }
  83   1      
  84   1        if(digit == 'e') // if end
  85   1        {
  86   2          if(m)
  87   2          {
  88   3            numb = numb / m; //divide
  89   3          }
  90   2          i = 0; // clear all
  91   2          m = 0;
  92   2          goto exit; //and exit
  93   2        }
  94   1        else // in other cases
  95   1        {
  96   2          mas[i++] = digit; // write digit to massive
  97   2          if (mas[i - 1] != '-') // if digit
  98   2          {
  99   3      
 100   3            numb = numb * 10 + (digit & 0xf);
 101   3            if (i == 2 && mas[0] == '-') // if negative
 102   3            {
 103   4              numb = -numb; // negative
 104   4            }
 105   3      
 106   3            if (m) // id we divide
 107   3            {
 108   4              m *= 10; // numbers after
 109   4            }
 110   3          }
 111   2        }
 112   1      exit:
 113   1        return digit;
 114   1      }
*** WARNING C290 IN LINE 12 OF code.c: missing return value

C51 COMPILER V9.56.0.0   CODE                                                              04/07/2017 19:07:00 PAGE 3   


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    500    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     24    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)