Path: utzoo!attcan!uunet!aplcen!samsung!usc!snorkelwacker!bloom-beacon!eru!hagbard!sunic!nuug!sigyn.idt.unit.no!solan1.solan.unit.no!gimme
From: gimme@solan1.solan.unit.no (Olav Gimmestad)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: copy protection
Message-ID: <1990Sep19.112701.3346@idt.unit.no>
Date: 19 Sep 90 11:27:01 GMT
References: <20351@orstcs.CS.ORST.EDU>
Sender: news@idt.unit.no (Usenet news admin)
Reply-To: gimme@solan1.solan.unit.no (Olav Gimmestad)
Organization: Norwegian Institue of Technology
Lines: 16

In article <20351@orstcs.CS.ORST.EDU>, rudolpe@urubu.CS.ORST.EDU (RUDOLPh ERIC) writes:
|> I was wondering how copy protection is done on commercial disks.
|> How are the following implemented AND/OR cracked?
|> 1. Long tracks.
|> 2. No sector header.
|> 3. No sync mark.
|> 4. Funny end of track gaps.
|> 5. The infamous mangled MFM format and mangled bit pattern.
|> 
|> Can anyone tell me how to make a syncro express? I have some ideas, but
|> I am not sure if they are right.


Why make a syncro express, when it doesn't work?

				Olav Gimmestad