0x405d75  
0x4035f7  
0x4035f8  
0x4035fb  

##</code><code>##

#!user/bin/perl
#use strict;
#use warnings;
use bytes;

$length_buffer= length(0x100) ;                                                    #buffer length
print "$length_buffer, \n";
$base=length(0x00);                                                                 #base address
print "$base, \n";

$base_end= ($base+ $length_buffer-1);                                    #base_end address, here it means it goes from 0 to 255 which is 256 elements in the buffer
print " The end of the buffer=$base_end, \n";                            #just to check if the buffer end prints correctly, in this case its 255


#$temp= 0xFFFFFFE0;
$count_hit=0;                                                            #counter to calculate the number of hits
$count_miss=0;                                                           #counter to calculate number of misses

################## Input and output Files####################################################################################

open(FILE1," < output_log.txt") or die "can't read the file";            #trace file input
open(FILE2, "> o_hit_miss.txt") or die "can't write into the file";      #output file containing the hit and miss informaiton


###############################################################################################################################

while(<FILE1>){
	
	$inst_addr= $_;                                                  # read the lines and store in in inst_addr
	#print " $inst_addr \n";                                          # to check if the inst_addr is being read out correctly from the given file
	
###########################################calcultes the length of the address and prints the same in bytes####################
	if($inst_addr) {
		
		#use bytes;                                               # Pragma to display the string in bytes and not in characters
		
	#$len_ofinstr=length( $inst_addr);                                #calculates the length of string in bytes and assigns it to $len_instr
	#print " Length in bytes: ", $len_ofinstr, "\n";                  #prints the length in bytes for my understanding

	
	if($len_ofinstr >= $base && $len_ofinstr <=$base_end) {
		
		#print" $hit, \n";
		#print FILE2 $hit. "\n";
		
		#print " The inst fits in the buffer->hit, \n";
		$len_ofinstr+=$len_ofinstr;
		#print "Total number of bytes in the buffer=", $len_ofinstr, "\n";
		
		$count_hit=$count_hit+1;
		#print " Number of hits in the buffer= $count_hit", "\n";
		print FILE2 "number of hits in buffer". $count_hit. "\n";
	}
}
	else{
		
		if($len_inst == $length_buffer) {
			
			print " it can not hold anymore, \n";
			$base= $instr_addr & 0xffffffe0;
		}
	}
}