八路抢答器.lst

八路抢答器

C51 COMPILER V7.50   八路抢答芲                                                            06/06/2007 18:18:47 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE 八路抢答芲
OBJECT MODULE PLACED IN 八路抢答器.OBJ
COMPILER INVOKED BY: C:\Program Files\C51\BIN\C51.EXE 八路抢答器.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #define uchar unsigned char 
   3          #define uint unsigned int
   4          sbit speak=P2^0;
   5          sbit host=P2^2;
   6          sbit anjian=P2^3;
   7          uchar GroupNo;
   8          uchar code Seg7code[9]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f};//0到8的代码
   9          
  10          void delay1ms(void)//延迟1毫秒
  11          {uchar i;
  12   1       for(i=250;i<0;i--);
  13   1         
  14   1       }
  15          
  16          void ddelay(uint k)
  17          {
  18   1          uint i,j;
  19   1          for(i=0;i<k;i++)
  20   1            {
  21   2              for(j=0;j<250;j++)
  22   2                      {;}
  23   2            }
  24   1      }
  25           
  26           
  27           void ShowG(uchar no)//显示出第几组
  28          {P1=Seg7code[no];}
  29          
  30          uchar KeySweep(void)//键盘扫描,获取组数
  31          {uchar temp,no=0;
  32   1       if(P3!=0xff)
  33   1        {delay1ms();
  34   2         if(P3!=0xff)
  35   2          temp=~P3;
  36   2        }
  37   1       while(temp!=0)
  38   1        {temp=temp>>1;
  39   2         no++;
  40   2        }
  41   1       return no;
  42   1      }
  43          
  44          void timer0(void) interrupt 1
  45          {TH0=0x10;
  46   1       TL0=0X60;
  47   1       speak=~speak;
  48   1      }
  49          
  50          void InitTime0(void)//定时器0初始化
  51          {TMOD=0x02;
  52   1       TH0=0x10;
  53   1       TL0=0X60;
  54   1       ET0=1;
  55   1       TR0=1;
C51 COMPILER V7.50   八路抢答芲                                                            06/06/2007 18:18:47 PAGE 2   

  56   1      }
  57           
  58          void main()
  59          {InitTime0();
  60   1       while(1)
  61   1       {
  62   2      while(host==0)
  63   2         {anjian=1;
  64   3       
  65   3         P3=0xff;
  66   3        ShowG(0);
  67   3        GroupNo=KeySweep();
  68   3        ShowG(GroupNo);
  69   3        EA=0;
  70   3        }
  71   2       P3=0xff;
  72   2        ShowG(0);
  73   2        while(P3==0xff);
  74   2        GroupNo=KeySweep();
  75   2        
  76   2        ShowG(GroupNo);
  77   2         ddelay(200);
  78   2              P1=0x00;
  79   2          ddelay(200);
  80   2              ShowG(GroupNo);
  81   2       
  82   2      
  83   2      
  84   2        EA=1;
  85   2        while(host==1);
  86   2        delay1ms();
  87   2        while(host==1);
  88   2       
  89   2        EA=0;
  90   2       }
  91   1      }
  92          
  93              
  94          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    188    ----
   CONSTANT SIZE    =      9    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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