test02.lst

8051单片机学习源码 包括定时器、键盘、液晶显示等

C51 COMPILER V6.12  TEST02                                                                 11/24/2007 13:45:29 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE TEST02
OBJECT MODULE PLACED IN .\test02.obj
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE ..\test02\test02.c BROWSE DEBUG OBJECTEXTEND PRINT(.\test02.lst) OBJECT(.\t
                    -est02.obj) 

stmt level    source

   1           #include<reg52.h>
   2           #define uchar unsigned char
   3           #define ul unsigned long
   4          
   5          sbit wela=P2^7;
   6          sbit dula=P2^6;
   7          sbit k2=P3^4;
   8          sbit k3=P3^5;
   9          sbit k4=P3^6;
  10          	
  11          
  12          uchar code tabledu[]={
  13          0x3f,0x06,0x5b,0x4f,
  14          0x66,0x6d,0x7d,0x07,
  15          0x7f,0x6f,0x77,0x7c,
  16          0x39,0x5e,0x79,0x71};
  17          
  18          uchar code tablewe[]={
  19          0x01,0x02,0x04,0x08,
  20          0x10,0x20  
  21          };
  22          
  23          uchar count;
  24          ul sum;
  25          
  26          void display(uchar,uchar,uchar);
  27          void delay(uchar);
  28          
  29          void main()
  30           {
  31   1       EA=1;
  32   1       ET1=1;
  33   1       TMOD=0X10;
  34   1       TR1=1;
  35   1       while(1)
  36   1      	  {	  if(k2!=0)//if k2 buttor is press down,the counting stop!
  37   2      	         {
  38   3      			  if(count==1)
  39   3      			 	{
  40   4      				 count=0;
  41   4      				  if(sum!=999)
  42   4      				    sum++;
  43   4      				  else sum=0;
  44   4      			
  45   4      				}
  46   3      			 }
  47   2      		  
  48   2      		  display(sum/100,sum%100/10,sum%10);
  49   2      	  }
  50   1      
  51   1      
  52   1       }
  53          
  54          
C51 COMPILER V6.12  TEST02                                                                 11/24/2007 13:45:29 PAGE 2   

  55          void display(uchar a,uchar b,uchar c)
  56          {
  57   1       P0=0x00;
  58   1       wela=1;
  59   1       wela=0;
  60   1       P0=~tabledu[a];
  61   1       dula=1;
  62   1       dula=0;
  63   1       P0=tablewe[0];
  64   1       wela=1;
  65   1       wela=0;
  66   1       delay(5);
  67   1       //------------------
  68   1       P0=0x00;
  69   1       wela=1;
  70   1       wela=0;
  71   1       P0=~tabledu[b];
  72   1       dula=1;
  73   1       dula=0;
  74   1       P0=tablewe[1];
  75   1       wela=1;
  76   1       wela=0;
  77   1       delay(5);
  78   1       //------------------
  79   1       P0=0x00;
  80   1       wela=1;
  81   1       wela=0;
  82   1       P0=~tabledu[c];
  83   1       dula=1;
  84   1       dula=0;
  85   1       P0=tablewe[2];
  86   1       wela=1;
  87   1       wela=0;
  88   1       delay(5);
  89   1       //------------------
  90   1      }
  91          
  92           
  93           
  94           
  95          
  96          
  97           void timer1() interrupt 3
  98           {  
  99   1      	TH1=(65536-10000)/256;
 100   1      	TL1=(65536-10000)%256;
 101   1      	count=1;
 102   1       
 103   1       }
 104          
 105           void delay(uchar n)
 106           {
 107   1       uchar a,b;
 108   1       for(a=n;a>0;a--)
 109   1       	for(b=255;b>0;b--); 
 110   1       }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    271    ----
   CONSTANT SIZE    =     22    ----
   XDATA SIZE       =   ----    ----
C51 COMPILER V6.12  TEST02                                                                 11/24/2007 13:45:29 PAGE 3   

   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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