add a couple more perl utils

2 files changed, 31 insertions, 0 deletions

diff --git a/dumpbytes.pl b/dumpbytes.pl
new file mode 100644
index 0000000..baa3d20
--- /dev/null
+++ b/dumpbytes.pl
@@ -0,0 +1,22 @@
+#!/usr/bin/perl -w
+
+$count = 0;
+while(<>) {
+	$_ = substr($_, 0, 79);
+	s/.*; \w\w\w\w // or next;
+	my @bytes = split " ";
+	push @got, eval "0x$_" for @bytes;
+}
+
+for(@got) {
+	my $b = sprintf("%08b", $_);
+	$b =~ s/0/_/g;
+	$b =~ s/1/X/g;
+	printf "%02x   ", $_;
+	print $b . "\n";
+	$count++;
+	if($count == 10) {
+		print "\n";
+		$count = 0;
+	}
+}
diff --git a/grepbytes.pl b/grepbytes.pl
new file mode 100644
index 0000000..f356278
--- /dev/null
+++ b/grepbytes.pl
@@ -0,0 +1,9 @@
+#!/usr/bin/perl -w
+
+$regex = shift or die "no regex";
+undef $/;
+$_ = <>;
+
+while($_ =~ /$regex/gc) {
+	printf "match at \$%04X\n", $-[0] + 0x8000;
+}