4 # Convert the output of 'od -tx1 -Ax' back to binary. The input is expected
7 # 000000 eb 58 90 4d 41 4b 45 42 4f 4f 54 00 02 08 40 00
8 # 000010 01 00 00 00 00 f8 00 00 20 00 40 00 00 00 00 00
18 if (s/^([a-z0-9]+)(?:\s+|$)//) {
19 my $lineindex = hex($1);
20 while ($lineindex > $index) {
21 die "no previous block!" unless defined $prevblock;
22 for my $hex (split ' ', $prevblock) {