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The '''[[wikipedia:Xbox (console)|Xbox]]''' is a sixth-generation console released by Microsoft in 2001. Known as the DirectXbox during development, it is notable for the specs having similarities to a PC, namely as a result of using familiar components around the [[wikipedia:x86|x86]] architecture. It was often said to be the most powerful console from the sixth generation, and Sega later designed the '''[https://segaretro.org/Sega_Chihiro Chihiro arcade system]''' with the same components.
The Xbox was a modest seller, and helped create a brand for Microsoft that would give [[Xbox 360 emulators|its successor]] a stronger market share in the west; despite Microsoft's best efforts the original Xbox and succeeding consoles from the company have never gained a foothold in Japan for various reasons.<ref name="Censored_Gaming">{{cite web|url=https://youtu.be/DmCHJmi_st4|title=Why The Xbox Failed In Japan|publisher=Youtube|accessdate=2018-07-25|date=2018-07-16}}</ref> It had a number of advantages over other sixth-gen consoles at the time; it was the only console to include a hard disk,<ref group=N>The [[PlayStation 2 emulators|PlayStation 2]] also had a hard disk accessory, but the Xbox had it built-in on all models. Consoles in the seventh generation onwards began to include internal storage in varying forms.</ref> meaning it was the first to be able to rip CDs, and it was the first and only console of the lineup to include a unified online service called Xbox Live,<ref group=N>The [[Sega Dreamcast emulators|Dreamcast]] had Sega Net in North America and Dreamarena in Europe, but Xbox Live was the same for all regions.</ref> prompting Sony to create the [[PlayStation emulators|PlayStation ]] Network the next generation.
Early in its lifespan, the Xbox had [[wikipedia:Xbox modding|an unusually active modding scene]] compared to the other consoles (often vindicated by the incredibly short warranty). Upon the first jailbreak by [[wikipedia:Andrew Huang (hacker)|Andrew Huang]], the scene ultimately delivered no comprehensive emulation until the mid-2010s,<ref group=N>The Xbox would have been too difficult to emulate at the time anyway as its specs often rivaled that of consumer PCs, and it was alleged that many developers received legal threats from Microsoft to dissuade them from trying.</ref> where developers have continued to have issues owing to the fact that, alongside the poorly documented hardware, many of the Xbox's games either came from Windows or were then released for Windows afterward (though it does retain a few exclusives). However, the Xbox emulation scene has been resurging with two emulators at the forefront since mid-2017. Its developers continue to say there's no competition between them, as they're both open-source and have different goals and methods.<ref>[https://www.reddit.com/r/emulation/comments/8ymp6n/cxbxreloaded_just_hit_v01/e2ckmpl/ JayFoxRox's statement] (representing XQEMU). Reddit (2018-07-14).</ref><ref>[https://www.reddit.com/r/emulation/comments/6mwizs/cxbx_running_xbox_dashboard_4817_with_audio/dk7jnif/ SoullessSentinel's statement] (representing Cxbx-Reloaded). Reddit (2017-07-13).</ref>
! scope="col"|Chihiro
! scope="col"|Active
! scope="col"|[[Recommended emulatorsEmulators|Recommended]]
|-
! scope="col" colspan="6"|PC
====PC====
;[[Cxbx-Reloaded]]:A fork of [[Cxbx ]] that's been having a good development momentum since mid-2016. It's built for x86_64 machines and includes a ton of improvements to its [[High/Low_level_emulation|HLE]] kernel, some from code originating in Dxbx and other related forks. While it has HLE support for the GPU and other parts (eg. audio) to make many games run fast, [https://github.com/Cxbx-Reloaded/Cxbx-Reloaded/pull/1018 XQEMU's LLE implementation was introduced] in April 2018 and is expected to help even further. See [https://github.com/Cxbx-Reloaded/game-compatibility/issues this compatibility list].
;[[XQEMU]]: An LLE-focused emulator based on [[QEMU]]. It can emulate the BIOS and many games at very slow speeds but is sometimes faster than Cxbx with acceptable graphics. Audio has not been tested but has been assumed to be emulated, just not forwarded to the audio hardware for some reason. See [http://xboxdevwiki.net/XQEMU this compatibility list] that was taken from John GodGames' 2015 list, and [https://docs.google.com/spreadsheets/d/1sVtQ9SNPathKAMCqfYtvJQP0bs0UeLzP9otPHvZDMwE/htmlview#gid=709879345 this Google spreadsheet].
;OpenXBOX: Beginning LLE emulator that just initializes an x86 system and runs whatever is in the ROM. Not much works for this currently. It was uploaded to GitHub on [https://github.com/StrikerX3/OpenXBOX/commit/16013a6529eec37e997cd0ad1d5495cb83456014 Dec 5, 2017] by mborgerson, a well-known XQEMU contributor who in early 2018 is still focused on streamlining XQEMU's QEMU codebase. So expect more progress from XQEMU than OpenXBOX in the meantime.
;[[Cxbx]]: One of the first Xbox emulators, started as an ahead-of-time compiler for Xbox executables. Can boot around 56 games, with around a dozen in an already playable state. See [http://shogun3d-cxbx.blogspot.com/2009/11/cxbx-compatibility-list-updated.html this compatibility list].
:;Dxbx: A port of Cxbx to Delphi, expanded with a redesigned symbol detection engine, and many rendering improvements, a new pixel shader converter, etc.
;Xeon: Can emulate Halo CE to the point where the first stage is semi-playable. The walls and ground are pitch black, and the game crashes after you complete the first stage or right after you select the difficulty on modern versions of Windows.
;[[MAME]]: Existing x86 emulation in MAME has given way to an <code>xbox</code> driver... that they've marked overall as <span style="color:darkred">not working</span> and sound as unimplemented (graphics are OK though).
====Consoles====
==Chihiro==
The Chihiro arcade system was produced by Sega in 2003. It consists of an Xbox motherboard (with double the RAM as with devkits) with additional boards for handling arcade I/O (Sega JVS standard). As the inner workings of the Xbox are better understood, Chihiro emulation support and accuracy will improve. <!-- XQEMU is expected to emulate the Chihiro system but no Chihiro game is known to work on it right now.-->
==Resources==
