dzz.lst

单片机设计的电子钟C程序

C51 COMPILER V7.06   DZZ                                                                   04/12/2006 09:21:21 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE DZZ
OBJECT MODULE PLACED IN DZZ.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE DZZ.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include "reg51.h"
   2          #include "stdio.h"
   3          #define uint unsigned int
   4          #define uchar unsigned char
   5          uchar data second=0,minute=0,hour=0;
   6          uchar  data disbuf[6]={0};
   7          //uchar  data second_0,second_1,minute_0,minute_1,hour_0,hour_1;
   8          uchar bdata FLAG=0;
   9          sbit H_M=FLAG^1;
  10          sbit P1_0=P1^0;
  11          sbit P3_2=P3^2;
  12          uchar code table[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
  13          
  14          uchar data count=0;
  15          //定时器０的中断服务程序
  16          void  timer0(void) interrupt 1 using 1
  17          {TH0=-50000/256;
  18   1       TL0=-50000%256;
  19   1       count++;
  20   1       if(count==20)
  21   1           {count=0;
  22   2            second++;
  23   2                 if(second==60)
  24   2                     {second=0;
  25   3                      minute++;
  26   3                          if(minute==60)
  27   3                             {minute=0;
  28   4                              hour++;
  29   4                                if(hour==24)
  30   4                                    {hour=0;}
  31   4                              }
  32   3                      }
  33   2           }
  34   1        return;
  35   1       }
  36          
  37          void dlms(void)
  38          {uchar i;
  39   1       for(i=2000;i>0;i--){}
  40   1      }
  41          
  42          //外部中断０的中断服务程序
  43          void int0(void) interrupt 0 using 2
  44          {while(!P3_2)
  45   1       { dlms();
  46   2       }
  47   1       dlms();
  48   1       if(P3_2)
  49   1           H_M=!H_M;
  50   1       }
  51          
  52          //显示程序
  53          void disp(void)
  54          {uchar i,j;
  55   1       uchar bdata sel;
C51 COMPILER V7.06   DZZ                                                                   04/12/2006 09:21:21 PAGE 2   

  56   1       disbuf[0]=second%10;
  57   1       disbuf[1]=second/10;
  58   1       disbuf[2]=minute%10;
  59   1       disbuf[3]=minute/10;
  60   1       disbuf[4]=hour%10;
  61   1       disbuf[5]=hour/10;
  62   1       P2=0XFF;
  63   1       sel=0x01;
  64   1       for(i=0;i<6;i++)
  65   1        {j=disbuf[i];
  66   2           P2=(sel^0xff);
  67   2          P0=table[j];
  68   2          dlms();
  69   2          P2=0XFF;
  70   2          sel=sel<<1;
  71   2        }
  72   1      }
  73          void increa(void)
  74          {if(H_M)
  75   1         {hour++;
  76   2          if(hour==24)
  77   2              {hour=0;
  78   3               disbuf[4]=0;
  79   3               disbuf[5]=0;
  80   3               }
  81   2          }
  82   1        else
  83   1          {minute++;
  84   2            if(minute==60)
  85   2              {minute=0;
  86   3               disbuf[2]=0;
  87   3               disbuf[3]=0;
  88   3               }
  89   2           }
  90   1       }
  91           main( )
  92           {TCON=0x01;
  93   1        TMOD=0x01;
  94   1        TH0=-50000/256;
  95   1        TL0=-50000%256;
  96   1        EA=1;
  97   1        ET0=1;
  98   1        EX0=1;
  99   1        TR0=1;
 100   1      
 101   1      while(1)
 102   1         {disp();
 103   2           if(!P1_0)
 104   2             {while(!P1_0)
 105   3              dlms();
 106   3               if(P1_0)
 107   3               increa();
 108   3             }
 109   2         }
 110   1      
 111   1      }
 112          
 113          
 114          
 115          


C51 COMPILER V7.06   DZZ                                                                   04/12/2006 09:21:21 PAGE 3   

MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    253    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     12    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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