leonardoliveira & Idc's clean decrypted roms

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leonardoliveira
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Re: leonardoliveira & Idc's clean decrypted roms

Postby leonardoliveira » March 15th, 2016, 12:48 pm

I didn't study those games but I believe they're recompiled and run as native PS2 games, not emulated CPS2 game.
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Re: leonardoliveira & Idc's clean decrypted roms

Postby Kaneco » March 15th, 2016, 4:54 pm

Interesting! I was going to mention...'What about Hyper Street Fighter 2?' which was console-only until I realized that it did get a VERY LIMITED Arcade port release just to commemorate SF's 15th anniversary. It's one of the first Arcade Fighting Games to get a port off a console release...that's why it was dumped.

Wish Vampire Savior 1/2 Arrange & Vampire Hunter 1/2 Arrange got the same treatment! ;_;

RIP the dream!

If I knew coding & understood how to compile CPS2 roms/how to modify the Vampire Savior engine, I would artificially make a Vampire Savior 1 Arrange dump...1 to 1 with the one in the collection! Make a unofficial/bootleg port of sorts! :P
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Re: leonardoliveira & Idc's clean decrypted roms

Postby Shou » April 6th, 2016, 5:04 am

Has anyone used the 1944 fix successfully on real hardware? Working with Mott on a JP region fix but it does not work.
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Re: leonardoliveira & Idc's clean decrypted roms

Postby dingsbums » April 30th, 2016, 4:22 pm

Shou wrote:Is the JP Super Street Fighter II X set missing a file for socket 9? It used to have this file but is not in the zip file now.


Bonky wrote:Take it from the original set in mame ;)


I also want to keep my JP Super Street Fighter 2X PCB alive with the decrypted ROM Set, but as Shou stated there is no Data for the ROM 9 in the set :think: .
If I take the ROM 9 data from the MAME ROM Set, does this mean that I can keep the original data on ROM 9 ?
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Re: leonardoliveira & Idc's clean decrypted roms

Postby Shou » May 9th, 2016, 4:44 am

dingsbums wrote:
Shou wrote:Is the JP Super Street Fighter II X set missing a file for socket 9? It used to have this file but is not in the zip file now.


Bonky wrote:Take it from the original set in mame ;)


I also want to keep my JP Super Street Fighter 2X PCB alive with the decrypted ROM Set, but as Shou stated there is no Data for the ROM 9 in the set :think: .
If I take the ROM 9 data from the MAME ROM Set, does this mean that I can keep the original data on ROM 9 ?


Yes
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Re: leonardoliveira & Idc's clean decrypted roms

Postby Bonky » May 17th, 2016, 4:09 pm

Hi leonardoliveira & Idc :)

Is it possible to decrypt the 19XX Japan set ? :D
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Re: leonardoliveira & Idc's clean decrypted roms

Postby leonardoliveira » May 17th, 2016, 4:41 pm

Yup. I have that request already. It's on the queue. I'm trying to push the easy ones (games whose decryption can be automated) out of the way first.

Funny bit is that most of the Phoenix Edition games fall on the "games whose decryption can be automated" category... :lol:


I have to mention though, for justice sake that besides the couple of buggy early decrypts that MAME added to it's database the leaked Phoenix sets out there are very accurate in the decryption department.

Btw, I provided a working 1944 set to Shou.
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Re: leonardoliveira & Idc's clean decrypted roms

Postby kuze » May 18th, 2016, 12:52 am

You're the man Leo, keep up the good work.
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Re: leonardoliveira & Idc's clean decrypted roms

Postby leonardoliveira » May 21st, 2016, 4:26 am

New sets at the site:

Hyper Street Fighter 2 (JAPAN 040202)
Street Fighter Zero (JAPAN 950727)
X-MEN Children of the Atom (Japan 950105)
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Re: leonardoliveira & Idc's clean decrypted roms

Postby Bonky » May 21st, 2016, 11:00 am

Bonky wrote:Hi leonardoliveira & Idc :)
Is it possible to decrypt the 19XX Japan set ? :D

OUPS :oops: it's 1944 sorry :oops:

Thanks for the news set :awe:
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Re: leonardoliveira & Idc's clean decrypted roms

Postby leonardoliveira » May 21st, 2016, 6:40 pm

Just added:

1944: The Loop Master (USA 000620)
Memory clear routine fixed. Now this is verified working on real hardware.

1944: The Loop Master (JAPAN 000620)
Same game program as the game above, this one was fixed for Shoutime but since it's the same as the USA set, I ported the fix over to the USA version and fixed the ROM CRC check. These two are a Mottzilla's decrypt, not mine.

19XX: THE WAR AGAINST DESTINY (JAPAN 960104)
Request from Shoutime and Bonky. This was a manual decrypt using interactive disassembler so it may have bugs. Please test.

DUNGEONS & DRAGONS: SHADOW OVER MYSTARA (EURO 960619)
Another interactive disassembler decrypt. But I did this a good while ago (almost year ago I believe) and I have no bug reports on it yet. I suppose that mean it works properly. :lol:

MARVEL VS. CAPCOM (JAPAN 980123)
Requested by Shoutime. Since this game has only two revisions (980112 and 980123) and Razoola had done 980123, in 2013 I picked 980112 to prove I wasn't ripping his sets off. Now I have no reason to worry about which sets I pick to work into. :lol:

X-MEN: CHILDREN OF THE ATOM (JAPAN 950105)
This is a request from Shoutime. Version 3.00 for Japan. This set is on MAME.

X-MEN: CHILDREN OF THE ATOM (JAPAN 950331)
This is the Euro 950331 set decrypted and converted to Japan region. I presume that once a original encrypted dump for this set is found and dumped it will verify byte perfect to this decrypted code.
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Re: leonardoliveira & Idc's clean decrypted roms

Postby leonardoliveira » May 23rd, 2016, 4:33 pm

Just added to the site:
Super Muscle Bomber (JAPAN 940831 - smbombdl)
Super Muscle Bomber (JAPAN 940808 - smbombr1dl)

Ring of Destruction: Slammasters II (Euro 940902 - ringdestdl)
Ring of Destruction: Slammasters II (Asia 940831 - ringdestadl)

Fixed and tested:
Ring of Destruction: Slammasters II (Asia 940831 - ringdestadm)
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Re: leonardoliveira & Idc's clean decrypted roms

Postby darksoft » May 23rd, 2016, 10:23 pm

Looks like you never sleep :)

Can you tell me what's the difference between the two Ring of Destruction: Slammasters II (Asia 940831, that you posted?
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leonardoliveira
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Re: leonardoliveira & Idc's clean decrypted roms

Postby leonardoliveira » May 23rd, 2016, 11:38 pm

Nothing, it's Mott's decrypt which I fixed the slight glitch on the title screen. And maybe the counter value for the range of memory test.
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Re: leonardoliveira & Idc's clean decrypted roms

Postby Shou » May 26th, 2016, 11:49 am

Big thanks to Leo for working with me on this!

There are so many final revisions of JP titles that still don't have a fix or JP regions that don't have a fix period.

I am happy to have dumped HSFII and just made another dump SSF2 TB 931005 JP. I am on the search for the remaining undumped revisions - mostly in the Vampire and D&D series.
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Re: leonardoliveira & Idc's clean decrypted roms

Postby Shou » May 26th, 2016, 11:51 am

Also to note, Leo fixed Vampire Savior 970519 JP as it did not work.

Ones that I have found not to work are SF Zero 3 980904 JP and Battle Circuit JP.

Super Street Fighter II X 940223 JP seems to be based off of another region's build as certain bugs that exist in the Japanese build do not work in the decrypted set.
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Re: leonardoliveira & Idc's clean decrypted roms

Postby Asayuki » May 26th, 2016, 1:39 pm

I had a talk with Leonard on IRC lately, and we went down into the nitty gritty of CPS2 security. It was a very interesting talk, and I think the work you guys are doing there is awesome. Keep it up dudes! :)
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Re: leonardoliveira & Idc's clean decrypted roms

Postby leonardoliveira » May 26th, 2016, 2:18 pm

Just mentioning, I am going through a process of (slowly) revisit all the existing decrypts at the site. This time I am documenting each decrypt and keeping track of decryption masks for each ROM.

Those decryption masks are actually more important than they look like as they can be used to encrypt the ROM to a different region. (hint hint) :lol:
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Re: leonardoliveira & Idc's clean decrypted roms

Postby Bonky » May 27th, 2016, 12:12 am

Wow ^^
Thanks for your effort, so rapidly :awe:

I Test them this week on hardware :)
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Re: leonardoliveira & Idc's clean decrypted roms

Postby leonardoliveira » May 30th, 2016, 5:03 am

New games I just added:

ssf2tbj - Super Street Fighter II: The Tournament Battle (Japan 931005) / Thanks Shou :awe:

ssf2tbjr1 - Super Street Fighter II: The Tournament Battle (Japan 930911)
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