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SpooNMan
Joined: 31 Oct 2007
Posts: 89
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 Posted: Wed Mar 12, 2008 10:36 pm Post subject: Copy Protected SNES Games... |
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Just wondering if anyone has a definitive list of all the games that need cracking and the types of protections used. I didn't realize until just recently how protected Mother 2/Earthbound just are.
http://starmen.net/mother2/gameinfo/antipiracy/
From what I can recall Demon's Crest and DKC had some tricky protections that screwed with the player. DC with it's unbeatable first boss and DKC with an obstacle placed so you couldn't finish level 1-1. Then you had the generic Anti-Piracy messages in Super Metroid, Claymates etc..
I think, if it hasn't been documented already it should be with visual examples if nothing more than for posterity. I personally find it all pretty interesting.
Also.. which versions are being passed around as current romssets for the "No Intro" and "Good" sets ? Are they cracked or 1:1 copies of the carts?
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kyuusaku
Joined: 26 Jul 2003
Posts: 941
Location: .ma.us
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| Posted: Wed Mar 12, 2008 11:19 pm Post subject: |
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There are only two types of copier protection: SRAM size detection and bad memory map detection (most copiers don't emulate open-bus and ROM mirroring.) And they both of course can be implemented many many ways, thankfully they are often implemented one or two ways so programs like uCON64 can crack them easily.
A while ago dbjh tested some games on his PAL console and SWC:
http://ucon64.sourceforge.net/ucon64/SWC-compatibility.txt
Note: NMI frequency protection has nothing to do with copiers and is usually there for a valid reason--the game won't work on a different TV system, some people may somehow not know this.
ROMs distributed on the net should be legitimate protected dumps, especially since that's the supposed mission of ROM groups.
If you're interested in seeing the protections documented, noone's stopping you :) Look at uCON64 for the most common hex strings and their "cracked" replacements and disassemble them to see how they work. I don't think you'll find them all that elaborate or clever though. |
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SpooNMan
Joined: 31 Oct 2007
Posts: 89
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| Posted: Fri Mar 14, 2008 12:25 am Post subject: |
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I used to document and test a ton of snes games. I just don't have the time or patience anymore though  . I just figured someone had made some examples with graphic examples of the different protections. If I get motivated I might work on something. I am still trying to locate all my old "contributions". Here's one of them...
SUPER
߱
۲ ۲
۲ ۲
ݰ
ͻ
FX CHIP ɼ DSP CHIP ɼ COPY PROTECTED
Star Fox FX Super Mario Kart * Mario All-Stars
Stunt Race FX2 Pilot Wings (DSPa) Super Metriod
Vortex FX2 Lock-On * Madden '94
Transformers FX Ace 3-d Tennis (Jap)* Claymates
Dirt Trax FX2 F1 Roc II (custom) Clay Fighters
Doom II FX2 Ȼ Suzuka 8 HR. * Ȼ Clay Fighters Tournament
Yoshi's Island FX2 Super Bases Loaded 2 * Super Bases Loaded 2
PGA Golf '96 SA1 Votoms (Jap)* Megaman X
PGA European Tour SA1 Final Stretch (Jap) Super Street Fighter II
Mario RPG * Ballz * Donkey Kong Country
Michael Andretti's Indy * Demon's Crest
Megaman X 2 (C4) Earthbound
Top Gear 3000 (custom) Killer Instinct
Megaman X 3 (C4) DKC2: Diddy's Kong Quest
Super F1 Circus 95 (Jap)* Breath Of Fire 2
*May contain the SA-1
accelerator. 
(*)= DSP#1
ͼ
32MEG: CANCELED AMERICAN RELEASES:
****** *** *** *** **** *** *** **
Art Of Fighting 2 Akira [T*HQ]
Chrono Trigger Asterix [Electrobrain]
Donkey Kong Country Commache [GTE Interactive]
DKC2: Diddy's Kong Quest Drop Zone [Psygnosis]
Fatal Fury Special Freeway Flyboys [Seika]
Killer Instinct FX Fighter [GTE Interactive]
Mortal Kombat III Godzilla: Detroy All Fighters [Toho]
Rise Of The Robots Golden Eye [Nintendo]
Samurai Shodown Hanna Barbera Turbo Toons [Empire Soft] ]
Secret Of Mana II Horde, The [Ocean]
Super Mario RPG Humans, The [Ocean]
Super Street Fighter II Impossible Mission 2050 [Microprose]
Toy Story International Superstar Soccer [Konami]
Lost Mission [Vic Tokai]
Power Drive [US Gold]
Sengoku [Data East]
Socks The Cat Rocks The Hill [Kaneco]
Starfox II [Nintendo]
Super Loopz [Irem]
Tom VS. Jerry: The Chase is On [Hi-Tech]
Ultra Bots: Sanction Earth [Data East]
Undercover Cops [Irem]
SWC (FLOPPY) LOAD TIME (PER 8 Mb):
**********************************
2.6..............54 SEC.
48MEG: 2.6FAST..........45 SEC.
****** 2.7 ON 2.6.......39 SEC.
Tales Of Phantasia (Jap) 2.7..............24 SEC.
2.8..............24 sec.
Ŀ Ŀ Ŀ Ŀ Ŀ Ŀ Ŀ Ŀ Ŀ Ŀ Ŀ
Ŀ Ŀ Ŀ
ÿ ÿ Ŀ ÿ
Ŀ
***
SPM
<
()
/\
Unfortunately the ascii format doesn't translate well on here.
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kyuusaku
Joined: 26 Jul 2003
Posts: 941
Location: .ma.us
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| Posted: Fri Mar 14, 2008 2:28 am Post subject: |
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| SpooNMan wrote: | | oesn't translate well on here. |
Try using the "Code" BBCode? |
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SpooNMan
Joined: 31 Oct 2007
Posts: 89
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| Posted: Sat Mar 15, 2008 2:51 am Post subject: |
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| kyuusaku wrote: | | SpooNMan wrote: | | oesn't translate well on here. |
Try using the "Code" BBCode? |
nah, it's just the tabs and stuff that didn't carry over.. no biggie. I am going to get all my copier related stuff and put it on my page eventually. I also scanned a bunch of old Console Express newsletters and other copier ads. I figure other people might get a kick out of seeing it again. I could be wrong though. 
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