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Xevious / Super Xevious (68K)

This is a transcode from the original arcade game (multiple Z80s) to 68K assembly.

The original GAME and SUB CPU ROMs were disassembled and reverse-engineered. Then the code was transcoded line-by-line to 68K assembly. The 'core' code is platform-agnostic and calls out to an operating system dependent (OSD) layer written for each target platform.

The original target is the Neo Geo (AES/MVS/CD). It runs in 'tate' mode.

Subsequent targets include the Amiga (requirements TBD).

In theory the core can be ported easily to any 68K target that can support the resolution, number of sprites (performance) and palette.

PROGRESS:

The core transcode is 100% complete. One "last" gameplay bug to be confirmed.

The Neo Geo target is playable with sound on an emulator and also on real hardware (tested on an AES with NeoSD cartridge and NGCD).

The Amiga target is playable.

FEATURES:

  • game play is identical to the original arcade game, including the pseudo-random number generation
  • both Xevious and Super Xevious available
  • original dipswitch options supported (except cocktail cabinet mode)
  • all original graphics and colours reproduced perfectly on Neo Geo target
  • 1 or 2 players supported
  • high score load/save for each variant

CREDITS:

  • Mark McDougall (aka tcdev): reverse-engineering, core and Neo Geo code and assets
  • Jean-Francois Fabre (aka jotd): Amiga code and assets
  • Namco: original game :)
StatusIn development
Rating
Rated 5.0 out of 5 stars
(1 total ratings)
Authortcdev
GenreShooter
Tagsneo-geo, xevious

Download

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Click download now to get access to the following files:

xevious_beta1.zip 1,018 kB

Development log

Comments

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Made some flyer/box art for it in the meantime :) 


That is way cool!!!

Blog entry

'mame puzzledp' or 'mame neocdz -cdrom xevious.iso'

Beta2 will remove the need for masquerading as puzzledp

I tried running the puzzledp.zip in MAME, which booted the Neo Geo screen but then just hung on black :(

Will hang on for beta 2.

Never seen Xevious (puzzledp) hang in MAME and I've run it literally hundreds of times!?!

(1 edit)

What should I be running this in? FBNeo doesn't seem to recognise either the .NEO or .ISO files, although it claims to recognise some kind of Xevious ROMset, and lr-neocd doesn't recognise the ISO either.