diff --git a/build/tools/AccessLogConverter/read_command_text.bat b/build/tools/AccessLogConverter/read_command_text.bat
new file mode 100644
index 0000000..2c0d5e0
--- /dev/null
+++ b/build/tools/AccessLogConverter/read_command_text.bat
@@ -0,0 +1,3 @@
+C:\cygwin\bin\perl.exe "%~dp0read_command_text.pl" "%~1" > "%~dpn1_out.txt"
+
+pause
\ No newline at end of file
diff --git a/build/tools/AccessLogConverter/read_command_text.pl b/build/tools/AccessLogConverter/read_command_text.pl
new file mode 100755
index 0000000..c2b832e
--- /dev/null
+++ b/build/tools/AccessLogConverter/read_command_text.pl
@@ -0,0 +1,67 @@
+#!/usr/bin/perl --
+
+use strict;
+
+my $file = $ARGV[0] or die "Usage: $0 [TXT File]\n\n";
+
+open IN, $file or die "Cannot open $file.\n";
+
+my $start = 0;
+my $size = 0;
+
+my $step = 0;
+my $addr = 0;
+
+my $bkup = 0;
+
+while (<IN>) {
+    my @data = split /\t/;
+    # pre-read
+    if ( $step == 0 ) {
+        $step = 1  if ( $data[2] == 1 && $data[3] == 1 );
+        # backup access
+        if ( $data[2] == 1 && $data[3] == 0 )
+        {
+            $bkup = 1;
+        }
+    }
+    # read
+    elsif ( $step == 1 ) {
+        if ( $data[4] =~ /B7/ ) {
+            $step++;
+            $addr = 0; # initialize
+        } else {
+            $step = 0; # restart
+        }
+    }
+    # first address
+    elsif ( $step == 2 || $step == 3 || $step == 4 || $step == 5 ) {
+        $addr = $addr*256 + hex($data[4]);
+        if ( $step == 5 ) {
+            if ( $start + $size == $addr && $bkup == 0 ) {
+                $size += 512;
+            } else {
+                printf "Read: 0x%08x-0x%08x (%6d bytes)\n", $start, $start+$size-1, $size if ($start);
+                $start = $addr;
+                $size = 512;
+                if ( $bkup == 1 ) {
+                    print "<<BACKUP ACCESS>>\n" ;
+                    $bkup = 0;
+                }
+            }
+            $step = 0; # restart
+        } else {
+            $step++;
+        }
+    }
+}
+close IN;
+
+if ($start) {
+    printf "Read: 0x%08x-0x%08x (%6d bytes)\n", $start, $start+$size-1, $size
+} else {
+    printf "Never read.\n";
+}
+if ( $bkup == 1 ) {
+    print "<<BACKUP ACCESS>>\n" ;
+}