recesive.lst

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C51 COMPILER V6.14  RECESIVE                                                               06/03/2005 16:58:01 PAGE 1   


C51 COMPILER V6.14, COMPILATION OF MODULE RECESIVE
OBJECT MODULE PLACED IN .\recesive.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\recesive.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include <AT89x051.H>
   2          unsigned long check;
   3          unsigned char ok;
   4          unsigned char receivebits;
   5          unsigned char receivebytes;
   6          unsigned char recedata;
   7          unsigned char start;
   8          
   9          int i;
  10          int j;
  11          
  12          void main(void)
  13          {
  14   1        check=0;
  15   1        SP=0X59;
  16   1        P3_0=1;       
  17   1        EX0=1;
  18   1        IT0=1; 
  19   1        EA=1;
  20   1        ok=0;
  21   1      
  22   1      
  23   1      while(1)
  24   1      {
  25   2      P3_1=1;
  26   2      P3_1=0;
  27   2      
  28   2      if(ok==1)
  29   2      	{
  30   3      	
  31   3      	 if((recedata&0x01)==0x01)
  32   3      	   	   P3_3=0;
  33   3      		  else
  34   3       		  P3_3=1;
  35   3       
  36   3      	   if((recedata&0x02)==0x02)
  37   3      	   	 P3_4=0;
  38   3      		  else
  39   3       		  P3_4=1;
  40   3      	   if((recedata&0x04)==0x04)
  41   3      	   	   P3_5=0;
  42   3      		   else
  43   3      		   P3_5=1;
  44   3      
  45   3      	   if((recedata&0x08)==0x08)
  46   3      	       P3_7=0;
  47   3      		   else
  48   3      		   P3_7=1;
  49   3      
  50   3      	      ok=0;
  51   3      
  52   3      	}
  53   2      
  54   2      }
  55   1      }
C51 COMPILER V6.14  RECESIVE                                                               06/03/2005 16:58:01 PAGE 2   

  56          
  57          
  58          receivedata() interrupt 0 using 3
  59          {
  60   1      if(start==0)
  61   1      {
  62   2      	check=check<<1;	
  63   2      	if(P3_0==1)
  64   2      		check++;
  65   2        	if(check==0x99887766)
  66   2         		start=1;
  67   2      }
  68   1      else
  69   1      {
  70   2      	receivebits++;
  71   2      	recedata=recedata<<1;
  72   2      	if(P3_0==1)
  73   2      		recedata++;
  74   2      	if(receivebits==8)
  75   2      		{
  76   3      			receivebits=0;
  77   3      			start=0;
  78   3      			ok=1;
  79   3      		}
  80   2      
  81   2      }
  82   1       
  83   1      }
  84          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    203    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     13    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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