1263.lst

来自「51单片机C程序」· LST 代码 · 共 117 行

C51 COMPILER V6.12  1263                                                                   03/28/2007 09:37:13 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE 1263
OBJECT MODULE PLACED IN .\1263.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\1263.c DEBUG OBJECTEXTEND

stmt level    source

   1          /*用动态扫描方法和定时器在数码管的前三位显示出秒表，
   2          精确到%1秒，即后两位显示%1秒，一直显循环下去。*/
   3          #include<reg52.h>
   4          #define uc unsigned char
   5          sbit duans=P2^6;
   6          sbit weis=P2^7;
   7          uc count,i,j;
   8          unsigned int num;
   9          uc code table[]={
  10          0x3f,0x06,0x5b,0x4f,
  11          0x66,0x6d,0x7d,0x07,
  12          0x7f,0x6f,0x77,0x7c,
  13          0x39,0x5e,0x79,0x71};
  14          uc code table1[]={
  15          0xbf,0x86,0xdb,0xcf,
  16          0xe6,0xed,0xfd,0x87,
  17          0xff,0xef};
  18          display(uc,uc,uc);
  19          delay(uc);
  20          void main()
  21          {
  22   1      	EA=1;
  23   1      	ET1=1;
  24   1      	TMOD=0x10;
  25   1      	TH1=(65536-5000)/256;
  26   1      	TL1=(65536-5000)%256;
  27   1      	TR1=1;
  28   1      	
  29   1      	while(1)
  30   1      	  {
  31   2             	
  32   2              if(count==2)//控制数字变化的速度
  33   2               {
  34   3      		  count=0;
  35   3      		  if(num==1000)
  36   3      			  num=0;
  37   3                num++;
  38   3      		  }
  39   2               display(num/100,num%100/10,num%100%10);
  40   2      	   }
  41   1      }
  42          void time1() interrupt 3 using 1
  43          {
  44   1      	TH1=(65536-5000)/256;
  45   1      	TL1=(65536-5000)%256;	
  46   1          count++;
  47   1       
  48   1      }
  49          display(uc bai,uc shi,uc ge)
  50          {
  51   1      P0=0xff;//消除余辉
  52   1      weis=1;
  53   1      weis=0;
  54   1      
  55   1      P0=table1[bai];
C51 COMPILER V6.12  1263                                                                   03/28/2007 09:37:13 PAGE 2   

  56   1      duans=1;
  57   1      duans=0;
  58   1      P0=0xfe;
  59   1      weis=1;
  60   1      weis=0;
  61   1      delay(1);//控制动态扫描的时间
  62   1      
  63   1      P0=0xff;
  64   1      weis=1;
  65   1      weis=0; 
  66   1      
  67   1      P0=table[shi];
  68   1      duans=1;
  69   1      duans=0;
  70   1      P0=0xfd;
  71   1      weis=1;
  72   1      weis=0;
  73   1      delay(1);
  74   1      
  75   1      P0=0xff;
  76   1      weis=1;
  77   1      weis=0;
  78   1      
  79   1      P0=table[ge];
  80   1      duans=1;
  81   1      duans=0;
  82   1      P0=0xfb;
  83   1      weis=1;
  84   1      weis=0;
  85   1      delay(1);
  86   1      }
  87          delay(uc x)
  88          {
  89   1      	for(i=20;i>0;i--)
  90   1       	for(j=x;j>0;j--);
  91   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    235    ----
   CONSTANT SIZE    =     26    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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