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Sega NAOMI and variants

12,658 bytes added, 20:07, 8 October 2018
Making new NAOMI page. This will take time.
{{Infobox console
|title = Sega NAOMI
|logo = NAOMI_TheHouseOfTheDead2_Cab.png
|developer = [[:Sega]]
|type = [[:Category:Arcade|Arcade system board]]
|release = 1998
|discontinued = 2009
|predecessor = [[Sega Model 3]]
|successor = Sega Hikaru
|emulated = {{✓}}
}}

The '''NAOMI''' ('''N'''ew '''A'''rcade '''O'''peration '''M'''achine '''I'''dea) 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) <ref group=N name=Gaelco>PowerVR 2-based board from [https://en.wikipedia.org/wiki/Gaelco Spanish company]. Not their early 'Gaelco 3D' board from 1996-1998. There is also an [https://github.com/aaronsgiles/Gaelco3D inactive emulator] for the unrelated earlier Gaelco 3D system, and [http://adb.arcadeitalia.net/dettaglio_mame.php?game_name=gaelco_serial&search_id=&lang=en MAME] likely supports that one.</ref>
* Sega NAOMI 2 (2001–2006) <ref group=N name=NAOMI2-Prototype>A prototype version of an unreleased game called ''Jet Squadron'' was made on the NAOMI 2 board in 2000 but other officially released games started in 2001.</ref>
* Sammy Atomiswave (2003–2009)
* Sega System SP (2004–2009. AKA "Sega Aurora")
* Cave CV1000B (2004–2007) <ref group=N name=Cave>The 'arcade_compat.txt' file inside DEmul's release archives do not have any Cave CV1000 emulation compat list, so its games' status are unknown.</ref>
* Cave CV1000D (2008–2012)

<references group=N />

==Emulators==
{| class="wikitable" style="text-align:center;"
! scope="col"|Name
! scope="col"|Operating System(s)
! scope="col"|Latest Version
! scope="col"|NAOMI
! scope="col"|Hikaru
! scope="col"|Gaelco PVR
! scope="col"|NAOMI 2
! scope="col"|Atomiswave
! scope="col"|Aurora
! scope="col"|Cave CV1000
! scope="col"|Active
! scope="col"|[[libretro|Libretro Core]]
! scope="col"|[[Recommended emulators|Recommended]]
|-
! colspan="13"|PC
|-
|[http://emulation.gametechwiki.com/index.php/DEmul DEmul]
|Windows
|[http://forum.emu-russia.net/viewtopic.php?p=26178&sid=9d186ca9c444883bceeed6f185ed3fa9#p26178 0.7 Build 180428]
|{{✓}} ||{{✓}} ||{{✓}} ||{{✓}} ||{{✓}} ||{{✓}} ||{{✓}}
|{{✓}} ||{{✗}} ||{{✓}}
|-
|[[Reicast#Libretro_core|reicast libretro]]
|Multi-platform
|[https://github.com/libretro/reicast-emulator Git]
|{{✓}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✓}} ||{{✗}} ||{{✗}}
|{{✓}} ||{{✓}} ||{{✓}}
|-
|[[MAME]]
|Multi-platform
|[http://www.mamedev.org/release.html {{MAMEVer}}]
|{{~}} ||{{~}} ||{{✗}} ||{{~}} ||{{~}} ||{{~}} ||{{~}}
|{{✓}} ||{{✓}} ||{{✗}}
|-
|}

=== 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 [https://wiki.mamedev.org/index.php/MAME_0.127u1 BIOS] support for NAOMI 2. [https://wiki.mamedev.org/index.php/MAME_0.191 v0.191] (Oct 2017) supports SuperH CPU cores and has a preliminary SH3/SH4 recompiler for CV-1000 only. NAOMI & Hikaru driver emulation were still being worked on since then up to [https://wiki.mamedev.org/index.php/MAME_0.201 0.201] (Aug 2018). Game compatibility probably not available.

==Games==
{| class="wikitable sortable" style="text-align:center;"
! scope="col"|Game
! scope="col"|DEmul
! scope="col"|reicast libretro
! scope="col"|MAME
! scope="col"|Ports**
|-
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|}

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

<nowiki>*</nowiki> '''reicast libretro:''' The arcade boards' [https://github.com/libretro/reicast-emulator/issues/136 compatibility lists] for reicast's libretro core can be found on that core's GitHub repository.

<nowiki>**</nowiki> '''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 [http://www.gametronik.com/site/rubriques/DEMUL/Utilitaires/naomi.compat.txt naomi.compat.txt].

<nowiki>***</nowiki> '''MAME:''' MAME has [https://wiki.mamedev.org/index.php/MNW#naomi working] but [https://wiki.mamedev.org/index.php/MNS#naomi incomplete] NAOMI board emulation. Some games are playable. Support for several other boards (i.e. System SP/Aurora & Hikaru) are very basic.

<nowiki>****</nowiki> '''Ports:''' Some games were ported to consoles available when the arcade games where released. Many or a few of them from the NAOMI board have come on Dreamcast, PlayStation 2, Xbox and Windows.

==Resources==
* [https://segaretro.org/Sega_NAOMI Sega Retro]
* [https://en.wikipedia.org/wiki/Arcade_system_board Wiki's arcade lists.]
* [https://wiki.arcadeotaku.com/w/Category:Game_Hardware Arcade Otaku wiki]
* [http://www.system16.com/hardware.php?id=721 System-16] (Games & technical specs)
* [https://www.uvlist.net/groups/info/arcadehardware UVList]
* [https://www.arcade-museum.com/game_detail.php?game_id=9471 Arcade Museum]
* [http://8bitplus.co.uk/articles/sega-naomi-arcade-system/ 8bitplus.co.uk]
* [http://sega-naomi.com/resource.htm Sega-NAOMI.com] (Manuals & documentations)

==External Links==
* [https://www.giantbomb.com/sega-naomi/3015-8767/games/ Giantbomb]
'''Sega Hikaru'''
* [https://www.giantbomb.com/sega-hikaru/3015-8768/games/ Giantbomb]
'''Gaelco PowerVR'''
* [http://www.system16.com/hardware.php?id=804 System-16] (Also shows some older, non-related Gaelco 3D games)
* [https://www.uvlist.net/groups/info/gaelco3d-hw UVList] (Also shows non-related Gaelco 3D games)
'''Sega NAOMI 2'''
* [https://www.giantbomb.com/sega-naomi-2/3015-8774/ Giantbomb]
'''Sammy Atomiswave'''
* [https://www.giantbomb.com/atomiswave/3015-8808/ Giantbomb]
'''Sega System SP'''
* [http://www.system16.com/hardware.php?id=732 System-16] (Technical specs are likely inaccurate)
* [http://www.arcaderestoration.com/games/13337/Sega+System+SP.aspx Arcade Restoration] (MAME emulation status)
'''Cave CV-1000'''
* [https://fr.wikipedia.org/wiki/Cave_3rd_Generation French Wiki] (Cave 3rd gen.)

{{Sega}}

[[Category:Arcade]]
[[Category:Arcade emulators]]
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