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Some CPS-2 games with no XORs are archived. Now that the encryption has been cracked, a number of them work. Only Super Puzzle Fighter II and clones still need XORs until a valid key is found. Do note that some games still don't have a key either.

This is a list of the games that were promoted as working fully in MAME 0.111u5 (copy-pasted from whatsnew.txt):
Super Street Fighter II (World 930911) [Nicola Salmoria]
Super Street Fighter II (Japan 930911) [Nicola Salmoria]
Dungeons & Dragons: Tower of Doom (Euro 940113) [Nicola Salmoria]
Super Street Fighter II Turbo (USA 940323) [Nicola Salmoria]
Armored Warriors (Euro 941024) [Nicola Salmoria]
Alien vs. Predator (Hispanic 940520) [Nicola Salmoria]
Cyberbots: Fullmetal Madness (Euro 950424) [Nicola Salmoria]
Marvel Super Heroes (Euro 951024) [Nicola Salmoria]
Marvel Super Heroes (Japan 951117) [Nicola Salmoria]
Marvel Super Heroes (Brazil 951117) [Nicola Salmoria]
Vampire Hunter: Darkstalkers' Revenge (Japan 950307) [Nicola Salmoria]
Street Fighter Alpha: Warriors' Dreams (Euro 950627) [Nicola Salmoria]
19XX: The War Against Destiny (Japan 951225) [Nicola Salmoria]
Dungeons & Dragons:Shadow over Mystara (Euro 960223) [Nicola Salmoria]
Dungeons & Dragons:Shadow over Mystara (Euro 960208) [Nicola Salmoria]
X-Men Vs. Street Fighter (Euro 961004) [Nicola Salmoria]
Capcom Sports Club (Hispanic 970722) [Nicola Salmoria]
Marvel Super Heroes Vs. SF (Euro 970625) [Nicola Salmoria]
Marvel Super Heroes Vs. SF (Japan 970625) [Nicola Salmoria]
Marvel Super Heroes Vs. SF (Hispanic 970625) [Nicola Salmoria]
Marvel Super Heroes Vs. SF (Brazil 970827) [Nicola Salmoria]
Marvel Super Heroes Vs. SF (Brazil 970625) [Nicola Salmoria]
Vampire Hunter 2 (Japan 970929) [Nicola Salmoria]
Vampire Savior (Hispanic 970519) [Nicola Salmoria]
Marvel Vs. Capcom (Euro 980112) [Nicola Salmoria]
Marvel Vs. Capcom (Asia 980123) [Nicola Salmoria]
Marvel Vs. Capcom (Hispanic 980123) [Nicola Salmoria]
Marvel Vs. Capcom (Brazil 980123) [Nicola Salmoria]
Street Fighter Alpha 3 (Brazil 980629) [Nicola Salmoria]
Street Fighter Zero 3 (Asia 980904) [Nicola Salmoria]

Most of these do not have scores or are zeroed out. I did find three that had been archived...

*19xxj -> 19xxj "19XX: The War Against Destiny (Japan 951225)"
*vsavh -> vsavh "Vampire Savior: The Lord of Vampire (Hispanic 970519)"
*mvsch -> mvsch "Marvel Vs. Capcom: Clash of Super Heroes (Hispanic 980123)"

Of course they don't have scores, they didn't work until 0.111u5.

Anyway, the following have added working decryption keys in 0.112u1 (do remember that update releases can not be used at MARP), for reference, and should be unarchived if needed. I'll post others to this thread as they occur.

Eco Fighters (USA 931203)
Ultimate Ecology (Japan 931203)
Eco Fighters (Asia 931203)
Night Warriors: Darkstalkers' Revenge (Hispanic 950403)
Night Warriors: Darkstalkers' Revenge (Brazil 950403)

2 out of 5 had been archived...

*nwarrh -> nwarrh "Night Warriors: Darkstalkers' Revenge (Hispanic 950403)"
*uecology -> ucology "Ultimate Ecology (Japan 931203)"

According to Guru's CPS-2 status page (http://www.mameworld.net/gurudumps/CPS2_status.html), all CPS-2 games have a working key, and are dumped, except for Megaman/Rockman (which has working CPS-1 versions anyway) and the Asian region Super Puzzle Fighter II Turbo (which I think has XORs, so it'll work anyway).

Probably worth unarchiving all CPS-2 games now, if any remain archived.

One more update, as of 0.112u2, XORs will no longer be supported, thus, the Asian version of spf2t will be marked as non-working until such time as a correct key can be found.

The key for the Asian version of Super Puzzle Fighter II Turbo has now been found. This leaves only Megaman/Rockman as non-working (not counting the two undumped prototypes). All other CPS-2 games should be un-archived if necessary. Like Battle Circuit.

I've found 6 more CPS2 games that had been archived...

*armwara -> armwara "Armored Warriors (Asia 940920)"
*batcira -> batcira "Battle Circuit (Asia 970319)"
*ddtoda -> ddtoda "Dungeons & Dragons: Tower of Doom (Asia 940113)"
*xmcotah -> xmcotah "X-Men: Children of the Atom (Hispanic 950331)"
*xmvsfa -> xmvsfa "X-Men Vs. Street Fighter (Asia 961023)"
*xmvsfh -> xmvsfh "X-Men Vs. Street Fighter (Hispanic 961004)"