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Sega Saturn CD Cracked after 20 Years

1126 点作者 flurpitude将近 9 年前

33 条评论

majke将近 9 年前
This is amazing. The video avoids too technical language, and basically explains the whole process of reverse engineering. I think this is the best explanation of reverse engineering I've seen in a long time.
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apecat将近 9 年前
Wow. I certainly hope someone with a lot of power over company culture at, say, Apple is watching this. And that they get inspired to think about cultural preservation.<p>I really think it should be a standard act of corporate responsibility and platform stewardship to make it so that work like that of Professor Abrasive&#x27;s, is not the only spare key we have to current culture a few decades down the road. We as a global culture just might be really, really lost and bereft of history if that was to be the case.<p>I frankly think that Apple under Tim Cook is in a historically unique position of making cultural preservation of games and software feasible and something built into the whole social and legal contract of proprietary, locked down platforms. It&#x27;s not like Sony is going to lead the way with the PlayStation?<p>I mean, to really make preservation legit, there needs to be some sort of useful official emulation and data extraction capability down the road. For all we know now, there might be terrible legislation that prohibits reverse engineering in a lot of jurisdictions.<p>There&#x27;s of course a lot problems to solve, with all the crypto and stuff, and licensing, but someone should be on this. Especially since software distribution is becoming all ephemeral and download based! Not to mention the cloud fragmentation of personal data.
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shmerl将近 9 年前
Amazing work. Also highlights how paranoid DRM proponents often are going to such lengths to cripple the hardware.<p>Breaking DRM is like finding a cure for insanity ;)
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donatj将近 9 年前
I can&#x27;t wait for him to start selling these! I would buy one in a hot minute. My Saturn is collecting dust and there are so many games I just can&#x27;t get my hands on for my Saturn, and emulation in my experience hardly works. It&#x27;s way too weird a machine.
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voltagex_将近 9 年前
I&#x27;m so so glad he mentions archiving in this video - I don&#x27;t think enough thought has been given to the impact of DRM on museum collections in 10-50 years.
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Unklejoe将近 9 年前
Great work.<p>These crazy reverse engineering projects kind of make me feel insecure about my own abilities, as weird as it sounds.<p>I wonder if I would have been able to come up with the same solution if I worked at it. My fear is that I would not, but who knows.<p>A lot of it is purely analytical, but there is a portion that relies on pure creativity and problem solving abilities.<p>I understand the process he went through as well as the technical details behind it, but following along is much easier than looking at a circuit board with a blank face, wondering where to begin.<p>I spent the last 2 hours last night just reading about Sega Saturn…
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mmastrac将近 9 年前
This appears to be where he actually dumped the ROM a few years back...<p><a href="http:&#x2F;&#x2F;assemblergames.com&#x2F;l&#x2F;threads&#x2F;saturn-cd-block-rom-dumped.52419&#x2F;" rel="nofollow">http:&#x2F;&#x2F;assemblergames.com&#x2F;l&#x2F;threads&#x2F;saturn-cd-block-rom-dump...</a>
kilroy123将近 9 年前
Holy hell what an amazing hack. This guy must have spent hundreds of hours on this.
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pedrocr将近 9 年前
He mentions archival as a motivation but can we trust the rest of the hardware to last more than a few decades? Isn&#x27;t emulation the real archival solution?
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donpdonp将近 9 年前
Here I thought the title was describing how plastic CD media became brittle after 20 years. The hack is way more interesting.
supernintendo将近 9 年前
As a Sega fanboy, this makes me happy. That copy protection scheme (outer ring spiral) is quite something. I find it amusing that Sega went with yet another proprietary disc format for the Dreamcast (GD-ROM) and that system is able to load homebrew code from any CD-R &#x2F; CD-RW without any modifications to the hardware.
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rasz_pl将近 9 年前
Same project for original Playstation <a href="http:&#x2F;&#x2F;ps-io.com&#x2F;features&#x2F;" rel="nofollow">http:&#x2F;&#x2F;ps-io.com&#x2F;features&#x2F;</a> <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=GbWW1VzeRgI" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=GbWW1VzeRgI</a> . Started in ~2010<p>Playstation also had a trapdoor Parallel I&#x2F;O port exposing raw address&#x2F;data bus, it was meant for network interface, debugging(PSY-Q) and stuff(ActionReplay&#x2F;GameShark). Great thing about that port is you can hang your own ROM there and console will execute it while booting, no code signing&#x2F;drm crap.<p>Afair at the beginning PSIO patched original firmware replacing all CD routines with its own, but later in the project it was discovered a lot of games talked straight to the hardware ignoring SONY requirements for using BIOS routines. This is why current version comes with small board you need to solder inside to reroute chip select signals from the CD controller chip - PSIO emulates that chip completely. You still get data faster than CD due to no seek times. <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=Wc3rOb7Evxc" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=Wc3rOb7Evxc</a><p>Original work from 1999 <a href="http:&#x2F;&#x2F;web.archive.org&#x2F;web&#x2F;19990220052039&#x2F;http:&#x2F;&#x2F;www.geocities.com&#x2F;SiliconValley&#x2F;Lab&#x2F;6332&#x2F;psx.html" rel="nofollow">http:&#x2F;&#x2F;web.archive.org&#x2F;web&#x2F;19990220052039&#x2F;http:&#x2F;&#x2F;www.geociti...</a><p>Gamecube has IDE-EXI, same thing <a href="http:&#x2F;&#x2F;www.gc-forever.com&#x2F;wiki&#x2F;index.php?title=Ide-exi" rel="nofollow">http:&#x2F;&#x2F;www.gc-forever.com&#x2F;wiki&#x2F;index.php?title=Ide-exi</a>
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dmix将近 9 年前
TLDR (or TLDW*)?
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fernandopj将近 9 年前
This is by far the best showcase of an assembly code I&#x27;ve ever seen. Kudos for the editor.
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tsao将近 9 年前
One of the YT comments is about how he is not releasing the &quot;ROM dump&quot;. Any idea of why he isn&#x27;t doing this?
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city41将近 9 年前
Not to discount this as it&#x27;s very impressive work. But replacing CD drives with SD&#x2F;hard drive based solutions is becoming pretty common. For the Dreamcast there is the GDEmu[0], and the Saturn already has the Rhea and Phoebe[1] (basically the same thing, each is for slightly different models of Saturns).<p>The Playstation also has one, the ps-io[2]. I&#x27;m really hoping for someone to step up and do the PC Engine, Neo Geo CD, Sega CD and 3DO.<p>[0]<a href="https:&#x2F;&#x2F;gdemu.wordpress.com&#x2F;about&#x2F;" rel="nofollow">https:&#x2F;&#x2F;gdemu.wordpress.com&#x2F;about&#x2F;</a><p>[1]<a href="https:&#x2F;&#x2F;gdemu.wordpress.com&#x2F;installation&#x2F;rhea-installation&#x2F;" rel="nofollow">https:&#x2F;&#x2F;gdemu.wordpress.com&#x2F;installation&#x2F;rhea-installation&#x2F;</a><p>[2]<a href="http:&#x2F;&#x2F;ps-io.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;ps-io.com&#x2F;</a>
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tomphoolery将近 9 年前
I&#x27;m glad someone else out there digs the Sega Saturn because I always felt left out being into Sega games while the rest of my friends were Nintendo kids all the way.
Bromskloss将近 9 年前
Does Sega gain anything from not just releasing all the information?
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83457将近 9 年前
If only the Dreamcast protection had been that good. Was really disappointed when it died :(
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orblivion将近 9 年前
How is the Saturn&#x27;s protection so much more effective than more modern systems?
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MrTortoise将近 9 年前
haha awesome<p>I applaud crazy fuckers like you. The world needs more of you.<p>Well done sir.
peterwwillis将近 9 年前
I was just thinking about the Saturn at a nerd memorabilia store, as this was the one system I saved my money up to buy at 11 years old. What an utter disappointment of a system (in terms of games), but what a great hack. Makes Dreamcast hacking look like Lego Logo.
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bluesign将近 9 年前
I am not good with electronics tbh but why it is not possible to mitm the connection between CD drive and motherboard? As far as I see from &#x27;swap disk&#x27; technique outer protection track is not changing depending on game
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tlrobinson将近 9 年前
Possibly stupid question: why didn&#x27;t some enterprising person figure out how to produce CD-Rs with the copy protection wobble track? Is the market too small vs the cost of required equipment? Would it have been illegal?
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hyperion2010将近 9 年前
Echoing what others have said, I never knew about just how amazing the engineering on the Saturn was in terms of incredibly tight timing.
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rsync将近 9 年前
It may interest folks to know that all Sega Saturn games have their audio encoded as plain old CD audio tracks. You can put your Sega Saturn disc into any old CD player and play all of the music tracks.<p>You can also rip a sega saturn CD in your computer. I particularly enjoy the music from Sega Rally Championship and Virtua Fighter 2.
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jryan49将近 9 年前
Anyone know what program he is using to view the dumps?
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SonicSoul将近 9 年前
wow! THIS is what hacking looks like. these days the term seems to have been muddled and interchanged with &quot;programming&quot;. True art of reverse engineering something you don&#x27;t have a full manual for (and can&#x27;t ask StackOverflow).
Ocerge将近 9 年前
What a legend. This video is absolutely inspiring.
zouhair将近 9 年前
Only 20 years to go and Denuvo is done for.
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lmz将近 9 年前
All that effort from Sega but I remember modchips being available to run pirated Saturn games when I had it.
DeepYogurt将近 9 年前
Awesome video. Thanks for sharing.
Halienja将近 9 年前
So the system &quot;just works&quot; without the game disc. Mind blowing!!