C51 COMPILER V9.59.0.0   CLOCK                                                             10/13/2018 20:41:27 PAGE 1   


C51 COMPILER V9.59.0.0, COMPILATION OF MODULE CLOCK
OBJECT MODULE PLACED IN .\Objects\clock.obj
COMPILER INVOKED BY: C:\Keil_v5\C51\BIN\C51.EXE clock.c OPTIMIZE(8,SPEED) BROWSE DEBUG OBJECTEXTEND PRINT(.\Listings\clo
                    -ck.lst) TABS(2) OBJECT(.\Objects\clock.obj)

line level    source

   1          #include <AT89X51.H>
   2          #define uint unsigned int
   3          #define uchar unsigned char
   4          
   5          sbit k1=P1^1;
   6          sbit k2=P1^2;
   7          sbit k3=P1^3;
   8          sbit k4=P1^4;
   9          sbit k5=P1^5;
  10          sbit k6=P1^6;
  11          
  12          void display();
  13          uchar code duan[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};
  14          uchar code wei[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
  15          uint second, minute, hour, one, ten, hundred, thousand, tthousand, oht, t;
  16          
  17          void times(uint z)
  18          {
  19   1        uint i,j;
  20   1        for(i=0; i<z; i++)
  21   1          for(j=0; j<121; j++);
  22   1      }
  23          
  24          void display()
  25          {
  26   1        one=second%10;
  27   1        ten=second/10;
  28   1        hundred=minute%10;
  29   1        thousand=minute/10;
  30   1        tthousand=hour%10;
  31   1        oht=hour/10;
  32   1      
  33   1        P0=duan[one];
  34   1        P2=wei[7];
  35   1        times(1);
  36   1        P2=0xff;
  37   1      
  38   1        P0=duan[ten];
  39   1        P2=wei[6];
  40   1        times(1);
  41   1        P2=0xff;
  42   1      
  43   1        P0=duan[hundred];
  44   1        P2=wei[5];
  45   1        times(1);
  46   1        P2=0xff;
  47   1      
  48   1        P0=duan[thousand];
  49   1        P2=wei[4];
  50   1        times(1);
  51   1        P2=0xff;
  52   1      
  53   1        P0=duan[tthousand];
  54   1        P2=wei[3];
C51 COMPILER V9.59.0.0   CLOCK                                                             10/13/2018 20:41:27 PAGE 2   

  55   1        times(1);
  56   1        P2=0xff;
  57   1      
  58   1        P0=duan[oht];
  59   1        P2=wei[2];
  60   1        times(1);
  61   1        P2=0xff;
  62   1      }
  63          
  64          void main()
  65          {
  66   1        TR0=1;
  67   1        EA=1;
  68   1        TMOD=0x01;
  69   1        ET0=1;
  70   1        TH0=(65535-50000)/256;
  71   1        TL0=(65535-50000)%256;
  72   1      
  73   1        while(1)
  74   1        {
  75   2          display();
  76   2      
  77   2          if(k1==0)
  78   2            TR0=1;
  79   2          else if(k2==0)
  80   2              TR0=0;
  81   2          else if(k3==0) {
  82   3            second=0;
  83   3            minute=0;
  84   3            hour=0;
  85   3          }
  86   2          else if(TR0==0 && k4==0)
  87   2          {
  88   3            second=second+1;
  89   3            while(!k4) {
  90   4              display();
  91   4            }
  92   3          }
  93   2          else if(TR0==0 && k5==0) {
  94   3            minute=minute+1;
  95   3            while(!k5) {
  96   4              display();
  97   4            }
  98   3          }
  99   2          else if(TR0==0 && k6==0) {
 100   3            hour=hour+1;
 101   3            while(!k6) {
 102   4              display();
 103   4            }
 104   3          }
 105   2      
 106   2      
 107   2          if(t==20){
 108   3            t=0;
 109   3            second=second+1;
 110   3          }
 111   2          else if(second==60) {
 112   3            second=0;
 113   3            minute=minute+1;
 114   3          }
 115   2          else if(minute==60) {
 116   3            minute=0;
C51 COMPILER V9.59.0.0   CLOCK                                                             10/13/2018 20:41:27 PAGE 3   

 117   3            hour=hour+1;
 118   3          }
 119   2          else if(hour==24) {
 120   3            hour=0;
 121   3          }
 122   2          
 123   2          display();
 124   2        }
 125   1      }
 126          
 127          void int0() interrupt 1
 128          {
 129   1        t++;
 130   1        TH0=(65535-50000)/256;
 131   1        TL0=(65535-50000)%256;
 132   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    504    ----
   CONSTANT SIZE    =     24    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     20    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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