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From: Z5D31@ttacs3.ttu.edu (Captain Harlock)
Newsgroups: comp.sys.apple2
Subject: Re: ChessMaster 1.01 deprotect?
Date: 29 Jan 1996 01:50:03 GMT
Organization: Goin' Band from Raiderland!
Lines: 53
Distribution: world
Message-ID: <4eh94b$b4f@hydra.acs.ttu.edu>
References: <4e7f0c$7qb@milo.freenet.vancouver.bc.ca>
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In-Reply-To: gareth@opus.freenet.vancouver.bc.ca's message of 25 Jan 1996 08:29:00 GMT

In <4e7f0c$7qb@milo.freenet.vancouver.bc.ca> gareth@opus.freenet.vancouver.bc.ca writes:

> I've seen patches to remove the annoying "Password" copy protection from 
> The ChessMaster 2100 for the GS. Unfortunately, they are all for version 
> 1.1, and I have 1.01. Has anyone seen a similar patch for the earlier 
> version?

Here you go. I always knew this huge collection of Apple II cracks would come
in handy.

ChessMaster 2100 GS from The Software Toolworks
by  Brian A. Troha
 
REQUIREMENTS:
512K Apple //GS
3.5" Disk copier
3.5" Disk editor
 
  The following edits will completly remove the log-on/manual check type copy
protection used on ChessMaster 2100 GS:
 
1.  Make a copy of the game disk (disk #1)
2.  Make the following edits to the copy only (by version):
 
For version 1.01:
Block $4E5:
  byte  $2C  from  22     to  AF
  byte  $61  from  D0 08  to  EA EA
  byte  $C5  from  22     to  AF
  byte $118  from  D0 08  to  EA EA
  byte $185  from  22     to  AF
  byte $1D8  from  D0 08  to  EA EA
 
For version 1.1
Block $304
  byte $1EB  from  22     to  AF
Block $305
  byte  $20  from  D0 08  to  EA EA
  byte  $84  from  22     to  AF
  byte  $D7  from  D0 08  to  EA EA
  byte $144  from  22     to  AF
  byte $197  from  D0 08  to  EA EA
 
3.  Write the blocks back the copy
4.  Store your originals in a safe place (and the manual to!)
5.  Play a game of chess & enjoy the absence of the copy protection
 
NOTE:  This information is NOT to be used for illegal purposes.
--
|David C. Scott (Captain Harlock)| Welcome to Heaven, here's your Apple. |
|      z5d31@ttacs.ttu.edu       |Welcome to Hell, here's your Macintosh.|
| Apple IIgs Monster Power User! | Babylon 4 BBS is Dead!  Stop Calling! |
|         We are Kenshiro of Borg.  You are already assimilated.         |