Ditto was a 1984 release.
Claims to copy 99% of current titles
And takes just 25 minutes!
This was written in BASIC and compiled with PET SPEED.
Copy Protection info for this disk: If you try to load single backup or dual backup, the program reading a while at track 22 than at track 18 and makes a reset.
Tested on winvice v3.2. As far as I know, the seq-file is part of the copy protection copy protection. credits: Stephan Andres
FOUND on Ebay: Here is the Disk, screenshots and D64
DOWNLOAD the Program HERE: Original DITTO system by Cardinal
DOWNLOAD the CRACKED version HERE: Ditto_v1.4_1984_CRACKED