14 August 2018, 08:09 | #21 | |
move.l #$c0ff33,throat
Join Date: Dec 2005
Location: Berlin/Joymoney
Posts: 6,865
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Quote:
Kids Blow version wasn't cracked properly, Company version worked fine. And the Leander video contains so much of false information it's not even funny anymore. Coder thinks he has invented the best protection ever while it wasn't anything special at all. |
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14 August 2018, 08:46 | #22 |
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Fun fact about leander: For the whdload slave, I cracked the protection without even noticing (the long track one, I mean). One thing I did not check was if the platform is there, but I suppose that someone would have noticed since then.
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14 August 2018, 17:07 | #23 |
Going nowhere
Join Date: Oct 2001
Location: United Kingdom
Age: 50
Posts: 9,018
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Fun fact about Nitro. Some checksums, but even by accident I didn't trigger them, they were so poorly implemented that you'd literally have to have a NOP trigger finger and spray them all over the code to get them to activate.
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14 August 2018, 17:10 | #24 | |
Going nowhere
Join Date: Oct 2001
Location: United Kingdom
Age: 50
Posts: 9,018
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Quote:
Wasn't even his disk protection. |
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14 August 2018, 17:29 | #25 |
CaptainM68K-SPS France
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yep, the protec longtrack is a generic type of duplicator long track.
Nothing to beat a dead horse about. |
14 August 2018, 18:04 | #26 |
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For Leander, I first redirected the data loader (which requests files with actual names, that I like!) to JST load routines. Then a DSKRDY loop caught my eye (it was the protection but I thought it was a remnant of a disk-in-drive check). I skipped that part somehow: worked. Maybe I was lucky when I skipped it.
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14 August 2018, 20:53 | #27 |
old bearded fool
Join Date: Jan 2010
Location: Bangkok
Age: 57
Posts: 779
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The secret DREADPIRATEROBERTS address hidden by subtraction and addition; (DREADPIRATEROBERTS-428) + 628 - 200 = DREADPIRATEROBERTS. Mind blown, using relative address modes, oh no, I'm thrown off the scent.
Seriously, if possible. I do like TT games and Jon Burton seems to be a skilled programmer, but he should probably avoid copy protection. Also, a bit of humour and self criticism wouldn't hurt when looking back at code from nearly three decades ago. |
14 August 2018, 21:15 | #28 | |
Going nowhere
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Quote:
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14 August 2018, 21:18 | #29 |
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At least Puggsy on amiga was completely unprotected.
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14 August 2018, 22:29 | #30 |
Registered User
Join Date: Jul 2015
Location: The Netherlands
Posts: 3,438
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To be fair to the man, I've definitely played at least one 'cracked' version of Leander that did in fact not have all of the protection removed - so at a certain point there was a missing platform and that was it.
My guess is that it's not so much that the protection was necessarily great, but that the game seemed to work just fine even if you didn't fully remove the protection. Perhaps some crackers just didn't go about playing the entire game afterwards to see if it worked or not. Had kind of the same happen with a version of Gods, where the cracked version omitted all the boss fights. Rest of the game was intact, though. |
14 August 2018, 22:41 | #31 | |||
move.l #$c0ff33,throat
Join Date: Dec 2005
Location: Berlin/Joymoney
Posts: 6,865
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Quote:
The idea to obfuscate certain memory/code accesses isn't bad at all. However, it neither was a new idea nor was it implemented well in Leander. Quote:
Quote:
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14 August 2018, 23:42 | #32 |
CaptainM68K-SPS France
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15 August 2018, 00:31 | #33 |
Amigaholic
Join Date: Dec 2009
Location: UK
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15 August 2018, 01:34 | #34 | |
Going nowhere
Join Date: Oct 2001
Location: United Kingdom
Age: 50
Posts: 9,018
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Quote:
Checked the Delirium version just in case, and they only mentioned who it was supplied by, no reference to cracking. Guess it wasn't protected |
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15 August 2018, 02:45 | #35 |
CaptainM68K-SPS France
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Well ok then
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15 August 2018, 22:30 | #36 |
Ex nihilo nihil
Join Date: Oct 2017
Location: CH
Posts: 5,058
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The result provided by a wrong answer in the following copy-protection is really great
[ Show youtube player ] If the link is not correctly working, jump to time 49:16 |
15 August 2018, 23:23 | #37 |
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@dlfrsilver about Puggsy I remember vivid NOT having to crack it to create the whdload install
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26 August 2018, 12:38 | #38 |
Registered User
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26 August 2018, 13:40 | #39 |
Amigaholic
Join Date: Dec 2009
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Or was they called Shit Row at one time?
BTW, don't type 'Kids Blow' into a search engine as you might be flagged as a Paedophile |
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