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Creating images for non-standard floppy disk formats on Linux

Posted at 20:55 on May 4th, 2015 | Quote | Edit | Delete
Member
Pupil Gumby
Posts: 13
I found an interesting article that explains in detail how it may be possible to read non-standard floppy disks using Linux tools from the fdutils package. I haven't tried it myself yet but maybe I'll do that later for the games that cannot be copied by a simple dd (e.g. Zork I, Pirates! and Wizardry Proving Grounds and Knight of Diamonds).

Here's the article: http://www.fdutils.linux.lu/disk-id.html

Here's also another page that has some information about non-standard and copy-protected floppy disk based games: http://nerdlypleasures.blogspot.co.at/2011/05/scourge-of-preservation-disk-based-copy.html

Btw. on Linux I made this small shell script that copies standard 3.5" and 5.25" disks and creates a log file containing information about which sectors are unreadable, if any:

Quote:

#!/bin/bash

DISK="${1}"

[ -z "$DISK" ] && exit 1

FILENAME="$DISK.img"

{
export LC_ALL=C

dmesg_lastline="$( dmesg | tail -n1 | cut -f1 -d" " | sed -e's,\[,\\[,' -e's,\],\\],' )"

dd if=/dev/fd0 of="$FILENAME" bs=512 conv=noerror,sync iflag=direct

dmesg | grep -e "$dmesg_lastline" -A 1000 | head -n-1

} 2>&1 | tee "$FILENAME.log"

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