Sega NAOMI and variants

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Sega NAOMI
NAOMI TheHouseOfTheDead2 Cab.png
Developer Sega
Type Arcade system board
Release date 1998
Discontinued 2009
Predecessor Sega Model 3
Successor Sega Hikaru
Emulated

The NAOMI (New Arcade Operation Machine Idea) is an arcade system released by Sega in 1998. It was designed as a successor to Sega Model 3 hardware, using a similar architecture to the Sega Dreamcast.

The NAOMI was succeeded by the Sega Hikaru and Sega NAOMI 2 boards, though having out-lasted the NAOMI 2, Hikaru and Sega Aurora. The Sega Chihiro, or possibly even the Sega Lindbergh, could also be seen as successors.

The NAOMI board and almost all of its variants were united in common by running on mostly the SH-4 32-bit RISC CPU. Next, all but two of these various boards shared their own form of the PowerVR 2 graphics processor with some differences in specifications (eg. either single or twin CPUs). The exception was the Cave CV1000 which ran on a Hitachi SH-3 CPU and its GPU was the Altera Cyclone EP1C12 FPGA. Many of them also utilized their own Yamaha audio chipset. Sega Hikaru had its own Sega Custom 3D GPU composed of dual PowerVR 2 GPU chips.

Arcade Boards

  • Sega NAOMI (1998–2009)
  • Sega Hikaru (1999–2002)
  • Gaelco PowerVR Based (1999-2002) [N 1]
  • Sega NAOMI 2 (2001–2006) [N 2]
  • Sammy Atomiswave (2003–2009)
  • Sega System SP (2004–2009. AKA "Sega Aurora")
  • Cave CV1000B (2004–2007) [N 3]
  • Cave CV1000D (2008–2012)
  1. PowerVR 2-based board from Spanish company. Not their early 'Gaelco 3D' board from 1996-1998. There is also an inactive emulator for the unrelated earlier Gaelco 3D system, and MAME supports that one.
  2. A prototype version of an unreleased game called Jet Squadron was made on the NAOMI 2 board in 2000 but the first officially released games started in 2001.
  3. The 'arcade_compat.txt' file inside DEmul's release archives do not have any Cave CV1000 emulation compat list, so its games' status is unknown.

Emulators

Name Operating System(s) Latest Version NAOMI Hikaru Gaelco PVR NAOMI 2 Atomiswave Aurora Cave CV1000 Active Libretro Core Recommended
PC
DEmul Windows 0.7 Build 180428
reicast libretro Multi-platform Git
MAME Multi-platform 0.264 ~ ~ ~ ~ ~ ~

Comparisons

  • DEmul is a closed-source emulator for Sega Dreamcast and arcade boards of Sega NAOMI and follow-up variants, including the NAOMI, Atomiswave, Hikaru, Gaelco, NAOMI 2, System SP (Aurora) and couple Cave CV1000 systems. Only non-MAME arcade ROMs work here.
  • reicast libretro is the libretro core of the independent reicast emulator and seems to be more advanced in overall compatibility and feature levels of Dreamcast and several arcade boards emulation. It is possible that some optional hacks are used to achieve correct graphics on some compatible arcade games.
  • nullDC was the first independent, open-source Dreamcast emulator to attempt emulation of the NAOMI arcade board. Its compatibility is unknown, so is not included in the NAOMI compatibility chart below. The emulator has since been superseded by its follow-up spin-off, 'reicast', although that one doesn't yet have any arcade board support. However, its libretro arm now supports partial emulation of NAOMI and Atomiswave boards.
  • MAME is a long way behind DEmul in terms of compatibility but is being actively developed. It is shown to have adequate support of the NAOMI (Most games could show graphics & some are playable), and preliminary support for Atomiswave and Hikaru boards and at least BIOS support for NAOMI 2. v0.191 (Oct 2017) supports SuperH CPU cores and has a preliminary SH3/SH4 recompiler for CV-1000 only. NAOMI & Hikaru driver emulation was still being worked on since then up to 0.201 (Aug 2018). Game compatibility probably not available.

Games

Game DEmul* reicast libretro** MAME*** Ports****
18 Wheeler: American Pro Trucker
Akatsuki Blitzkampf Ausf.Achse/Akatsuki Denkou Senki
Boat Race Ocean Heats
Charge 'N Blast
Cosmic Smash
Crackin' DJ
Crazy Taxi
Cyber Troopers Virtual-On: Oratorio Tangram M.S.B.S. Ver. 5.66
Dead or Alive 2
Dead or Alive 2 Millennium
Death Crimson OX
Dengen Tenshi Taisen Mahjong Shangri-La
Dynamite Baseball NAOMI
Dynamite Baseball '99
F1 World Grand Prix
Fish Live
Formation Battle In May
Giant Gram: Zen Nihon Pro Wres 2 in Nihon Budoukan
Giant Gram 2000: Zen Nihon Pro Wres 3 Eikou no Yuushatachi
Guilty Gear X
Idol Janshi Suchie-Pai III
Illmatic Envelope
Inu no Osanpo
Jambo! Safari
Kasei Channel Mars TV
Mamoru-kun wa Norowarete Shimatta!
Manic Panic Ghosts
Melty Blood: Actress Again
Mushiking: The King of Beetles
Outtrigger
Pocket Shooting
Puyo Puyo Da! Featuring Ellena System
Puyo Pop Fever
Puzzle Kurutto Stone
Quiz Aa! Megami-sama/Quiz Ah My Goddess!
Radirgy Noa
Rhythm Tengoku
Ring Out 4x4
Samba de Amigo
Samba de Amigo Ver.2000
Sega Marine Fishing
Sega Tetris
Shooting Love. 2007
Slashout
StarHorse
StarHorse 2001
StarHorse 2002
Tokyo Bus Guide
Touch de Uno!
Touch de Uno! 2
Toy Fighter/Waffupu
Virtua NBA
Virtua Striker 2 Ver. 2000
Virtua Tennis/Power Smash
Virtua Tennis 2/Power Smash 2
WaveRunner GP
World Series 99/Super Major League 99
WWF Royal Rumble (Sega)
Zero Gunner 2
Capcom
Cannon Spike/Gunspike
Capcom vs. SNK: Millennium Fight 2000
Giga Wing 2
Heavy Metal Geomatrix
Kidou Senshi Gundam: Renpou vs. Zeon
Marvel vs. Capcom 2: New Age of Heroes
Power Stone
Power Stone 2
Project Justice/Moero! Justice Gakuen
Spawn: In the Demon's Hand
Namco
Gun Survivor 2: Biohazard CODE:Veronica
Mazan: Flash Of The Blade
Ninja Assault
Shin Nihon Pro Wrestling Toukon Retsuden 4 Arcade Edition
World Kicks
The House of the Dead 2
The Typing of the Dead
Zombie Revenge

This list is updated as of MAME 0.202 and DEmul's April 2018 build.

* DEmul: The arcade boards' compatibility lists for DEmul can be found inside the 'arcade_compat.txt' file inside DEmul's release archives. It covers most boards but not the Cave CV1000 boards. Also see naomi.compat.txt.

** reicast libretro: The arcade boards' compatibility lists for reicast's libretro core can be found on that core's GitHub repository.

*** MAME: MAME has working but incomplete NAOMI board emulation. Some games are playable. Support for several other boards (i.e. System SP/Aurora & Hikaru) are very basic. GitHub compat pages: NAOMI 1-2/Atomiswave, Hikaru.

**** Ports: Many games were ported to consoles available when the arcade games where released. These games from the NAOMI board have come on Dreamcast (overwhelmingly), GameCube, PlayStation 2, Xbox, Wii, Xbox 360, Windows and macOS as well as handhelds like GBA, PSP, and NDS.

Resources

External Links

Sega Hikaru

Gaelco PowerVR

  • System-16 (Also shows some older, non-related Gaelco 3D games)
  • UVList (Also shows non-related Gaelco 3D games)

Sega NAOMI 2

Sammy Atomiswave

Sega System SP

Cave CV-1000

Dreamcast logo.png
Consoles: SG-1000Master SystemGenesis / Mega DriveCD32XPicoSaturnDreamcast
Handhelds: Game GearVMU / VMS
Arcade: System seriesModel 1Model 2Model 3NAOMI