test03.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  TEST03                                                                 11/24/2007 12:31:19 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE TEST03
OBJECT MODULE PLACED IN test03.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE test03.c BROWSE DEBUG OBJECTEXTEND

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       TH1=(65536-10000)/256;
  35   1       TL1=(65536-10000)%256;
  36   1       
  37   1       while(1)
  38   1      	  {	
  39   2      	          if(k2==0){count=0;TR1=0;}
  40   2      			  if(k3==0) TR1=1;
  41   2      			  if(k4==0){count=0;TR1=0;sum=0;}
  42   2      		     
  43   2      			  if(count==1)
  44   2      			 	{
  45   3      				 count=0;
  46   3      				  if(sum!=999)
  47   3      				    sum++;
  48   3      				  else sum=0;
  49   3      			
  50   3      				}
  51   2      		
  52   2      		  
  53   2      		  display(sum/100,sum%100/10,sum%10);
  54   2      	  }
  55   1      
C51 COMPILER V6.12  TEST03                                                                 11/24/2007 12:31:19 PAGE 2   

  56   1      
  57   1       }
  58          
  59          
  60          void display(uchar a,uchar b,uchar c)
  61          {
  62   1       P0=0x00;
  63   1       wela=1;
  64   1       wela=0;
  65   1       P0=~tabledu[a];
  66   1       dula=1;
  67   1       dula=0;
  68   1       P0=tablewe[0];
  69   1       wela=1;
  70   1       wela=0;
  71   1       delay(5);
  72   1       //------------------
  73   1       P0=0x00;
  74   1       wela=1;
  75   1       wela=0;
  76   1       P0=~tabledu[b];
  77   1       dula=1;
  78   1       dula=0;
  79   1       P0=tablewe[1];
  80   1       wela=1;
  81   1       wela=0;
  82   1       delay(5);
  83   1       //------------------
  84   1       P0=0x00;
  85   1       wela=1;
  86   1       wela=0;
  87   1       P0=~tabledu[c];
  88   1       dula=1;
  89   1       dula=0;
  90   1       P0=tablewe[2];
  91   1       wela=1;
  92   1       wela=0;
  93   1       delay(5);
  94   1       //------------------
  95   1      }
  96          
  97           
  98           
  99           
 100          
 101          
 102           void timer1() interrupt 3
 103           {  
 104   1      	TH1=(65536-10000)/256;
 105   1      	TL1=(65536-10000)%256;
 106   1      	count=1;
 107   1       
 108   1       }
 109          
 110           void delay(uchar n)
 111           {
 112   1       uchar a,b;
 113   1       for(a=n;a>0;a--)
 114   1       	for(b=255;b>0;b--); 
 115   1       }


C51 COMPILER V6.12  TEST03                                                                 11/24/2007 12:31:19 PAGE 3   

MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    301    ----
   CONSTANT SIZE    =     22    ----
   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)