1274.lst

51单片机C程序

C51 COMPILER V6.12  1274                                                                   03/28/2007 08:50:05 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE 1274
OBJECT MODULE PLACED IN .\1274.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\1274.c DEBUG OBJECTEXTEND

stmt level    source

   1          //数码管前三位显示一个跑表，从000到999之间以1%秒速度运行，
   2          //当按下一个独立键盘时跑表停止，松开手后跑表继续运行。
   3          
   4          #include<reg52.h>
   5          #define uc unsigned char
   6          #define ui unsigned int
   7          sbit L4=P3^4;
   8          sbit dus=P2^6;
   9          sbit wes=P2^7;
  10          uc code table[]={
  11          0x3f,0x06,0x5b,0x4f,0x66,0x6d,
  12          0x7d,0x07,0x7f,0x6f,0x77};
  13          uc code tableh[]={
  14          0xbf,0x86,0xdb,0xcf,0xe6,0xed,
  15          0xfd,0x87,0xff,0xef,0xf7};
  16          uc a2,a1,a0,count;
  17          ui num;
  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=(65536-10000)/256;
  26   1      	TL1=(65536-10000)%256;
  27   1      	TR1=1;
  28   1      	while(1)
  29   1      	{
  30   2      		if(count==1)
  31   2      		{		
  32   3      		count=0;
  33   3      		num++;
  34   3      		if(num==999)num=0;
  35   3      		if(L4==0)
  36   3      		{
  37   4      			delay(60);
  38   4      			if(L4==0)
  39   4      			{
  40   5      				TR1=0;
  41   5      		        while(!L4)
  42   5                    	{ display(a2,a1,a0);}
  43   5                      while(!L4);        
  44   5      	      	    TR1=1;
  45   5                   }
  46   4      		}
  47   3      		 
  48   3      		}       
  49   2      		a2=num/100;
  50   2      		a1=num%100/10;
  51   2      		a0=num%100%10;
  52   2      	    display(a2,a1,a0);    	
  53   2      	}
  54   1      }
  55          delay(uc x)
C51 COMPILER V6.12  1274                                                                   03/28/2007 08:50:05 PAGE 2   

  56          {
  57   1      	uc i,j;
  58   1      	for(i=20;i>0;i--)
  59   1      	for(j=x;j>0;j--);
  60   1      }
  61          void time1() interrupt 3 using 1
  62          {
  63   1          TH1=(65536-10000)/256;
  64   1      	TL1=(65536-10000)%256;
  65   1      	count++;
  66   1      }
  67          display(uc bi,uc si,uc ge)
  68          {
  69   1      P0=0xff;
  70   1      wes=1;
  71   1      wes=0;
  72   1      
  73   1      P0=tableh[bi];
  74   1      dus=1;
  75   1      dus=0;
  76   1      P0=0xfe;
  77   1      wes=1;
  78   1      wes=0;
  79   1      delay(1);
  80   1      
  81   1      P0=0xff;
  82   1      wes=1;
  83   1      wes=0;
  84   1      
  85   1      P0=table[si];
  86   1      dus=1;
  87   1      dus=0;
  88   1      P0=0xfd;
  89   1      wes=1;
  90   1      wes=0;
  91   1      delay(1);
  92   1      
  93   1      P0=0xff;
  94   1      wes=1;
  95   1      wes=0;
  96   1      
  97   1      P0=table[ge];
  98   1      dus=1;
  99   1      dus=0;
 100   1      P0=0xfb;
 101   1      wes=1;
 102   1      wes=0;
 103   1      delay(1);
 104   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    246    ----
   CONSTANT SIZE    =     22    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      6    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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