newjs.lst

0——999计数器。在STC89C52单片机下开发的程序

C51 COMPILER V8.05a   NEWJS                                                                04/03/2009 11:26:53 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE NEWJS
OBJECT MODULE PLACED IN newjs.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE newjs.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1           #include<reg51.h>
   2                                                                     
   3          //sbit P30=P3^4;
   4          sbit P35=P3^5;
   5          sbit P36=P3^6;
   6          sbit P37=P3^7;
   7          //sbit P21=P2^1;
   8           unsigned int js;
   9          static unsigned int i;
  10          unsigned char code LEDDis[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0xFF,0xBF};
  11          void Delay(unsigned int ii)
  12          {
  13   1      unsigned int jj;
  14   1      for(;ii>0;ii--)
  15   1      for(jj=0;jj<125;jj++)
  16   1      {;}
  17   1      
  18   1      }
  19          void Delay500(unsigned int iii)
  20          {
  21   1      unsigned int jjj;
  22   1      for(;iii>0;iii--)
  23   1      for(jjj=0;jjj<60;jjj++)
  24   1      {;}
  25   1      
  26   1      }
  27          
  28          
  29          
  30          void main()
  31          {
  32   1       
  33   1              EA = 1;                                 //允许CPU中断
  34   1              ET0 = 1;                                //定时器0中断打开
  35   1              TMOD = 0x1;                     //设定时器0为模式1，16位模式
  36   1              TH0=0xB1;
  37   1              TL0=0xDF;                               //设定时值为20000us（20ms）
  38   1              TR0 = 1;
  39   1      
  40   1      
  41   1      
  42   1      
  43   1      
  44   1      while(1)
  45   1      {
  46   2      for(i=0;i<=999;i++)
  47   2      {
  48   3      js=i;
  49   3       Delay(500);
  50   3      
  51   3       //P21=1;
  52   3         //Delay500(10);
  53   3         //P21=0;
  54   3      
  55   3      }
C51 COMPILER V8.05a   NEWJS                                                                04/03/2009 11:26:53 PAGE 2   

  56   2      
  57   2        
  58   2      }
  59   1      
  60   1      
  61   1      }
  62          
  63          //定时器0中断外理中键扫描和显示
  64          void KeyAndDis_Time0(void) interrupt 1 using 2
  65          {
  66   1        TH0=0xB1;
  67   1              TL0=0xDF;                               //设定时值为20000us（20ms)
  68   1      
  69   1        P0=LEDDis[js/100];
  70   1      P35=0;
  71   1        Delay500(5);
  72   1                P35=1;
  73   1        P0=LEDDis[(js-(js/100)*100)/10];
  74   1      P36=0;
  75   1        Delay500(5);
  76   1       P36=1;
  77   1       P0=LEDDis[(js-(js/100)*100)-((js-(js/100)*100)/10)*10];
  78   1      P37=0;
  79   1       Delay500(5);
  80   1        P37=1;
  81   1      
  82   1      
  83   1         //P0=LEDDis[6];
  84   1      //P33=0;
  85   1       //Delay500(5);
  86   1        //P33=1;
  87   1      
  88   1        
  89   1      
  90   1      
  91   1      
  92   1      
  93   1      
  94   1      }
  95          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    327    ----
   CONSTANT SIZE    =     12    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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