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Catalogue of Arcade Emulation Software - the Absolute Reference

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X-Arcade

X-Arcade

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Fantasy Zone 2 (MC-8123, 317-0057)

0.74u2 [?]


NOTE:

- It is ESSENTIAL we find a Fantasy Zone 2 board in working condition AS SOON AS POSSIBLE, the batteries on these are dying at an ever increasing rate.


WIP:

- 0.113u3: David Haywood replaced old Sega System E driver with new one based on HazeMD. Nicola Salmoria added proper MC8123 decryption code and MC-8123B 317-0057.key to Fantasy Zone 2 - Game now playable. Changed the clock speed of the 2x SN76496 to 3579540 Hz. Fixed cpu1 rom loading and added dipswitches 'Coin A/B', 'Demo Sounds', 'Lives', 'Timer', 'Difficulty' and 'Unused'.

- 15th March 2007: David Haywood - Nicola found a weakness in the way Sega generated their keys for the M8123 which made decrypting Fantasy Zone 2 and Opa Opa much easier than anybody had expected. Both games (running on the System E arcade platform) work fine with the SMS emulation from HazeMD. I need to port this over to MAME so that they work properly in MAME too. Aaron should be thanked too for noticing that the FD1094 keys were generated by a Psuedo-Random number generator rather than actually being Random, this was also found to apply to the MC8123 and was the basis of Nicola's work.

- 14th March 2007: R. Belmont - Nicola has fully cracked the Sega MC8123 encrypted CPU. This means, among other things, that games like Opa Opa and Fantasy Zone 2 now run. MAMEdev was afraid those games might be lost forever, since no working examples were known, but now they'll be back to life.

- 0.100u4: Fixed rom names.


Category: Defender


Recommended Games:

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E.D.F. : Earth Defense Force

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Gratia - Second Earth


Romset: 296 kb / 6 files / zip