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The '''X68000''' <small>(<span lang="ja">エックスろくまんはっせん</span> ''Ekkusu Rokuman Hassen'')</small> is a home computer created by [[wikipedia:Sharp_Corporation|Sharp]], first released in 1987, sold only in Japan.
The first model featured a 10 MHz [[wikipedia:Motorola_68000|Motorola 68000]] CPU (hence the name), 1 MiB of RAM, and no hard drive; the last model was released in 1993 with a 25 MHz 25 MHz Motorola 68030 CPU, 4 MiB of RAM, and optional 80 MB 80 MB [[wikipedia:SCSI|SCSI]] hard drive. RAM in these systems is expandable to 12 MiB, though most games and applications did not require more than two.
==Emulators==
:It can run in X68030 mode in high accuracy, good peripheral/expansion support and will run just about any game you throw at it.
;[[MAME]]
:Its X68000 core is still in a very early stage of development in terms of playability and should only be used if the debugging features of Pro-68k are lacking. Small work on it was put in several versions between [http://wiki.mamedev.org/index.php/MAME_0.146u5 0.146u5] (2012) & [http://wiki.mamedev.org/index.php/MAME_0.177 0.177] (2016); , but working software started being added regularly from [http://wiki.mamedev.org/index.php/MAME_0.178 0.178] and onwards.
;XM6i
:Built largely around being able to run NetBSD/X68k. While it can run games, it is clear that this is not what XM6i is focused on.
;px68k
:An open-source fork of the c68k emulator. px68k has a libretro core, but lacks options like save states present in other emulators. It lacks MIDI emulation.
;px68k-libretro
:It is supported on Windows, Linux and Mac systems; and has portable versions for PSP, Android , and other platforms. Games' performance on this emulator (Both PC & mobile variants) are is considerably faster than what MAME's X68 core can achieve.<ref name="forums.libretro">{{cite web|url=https://forums.libretro.com/t/px68k-libretro/10113|title=Px68k-libretro|publisher=forums.libretro|accessdate=2018-04-02|date=2017-05-04}}</ref><ref name="libretro">{{cite web|url=https://www.libretro.com/index.php/new-core-px68k-androidioswindowslinuxmac/|title=New Core: PX68k (Android/iOS/Windows/Linux/Mac)|publisher=libretro|accessdate=2018-04-02|date=2017-06-10}}</ref><ref name="Reddit">{{cite web|url=https://www.reddit.com/r/emulation/comments/6ggz06/px68klibretro_x68000_emu_released/?st=jfh7xutu&sh=831c6f7b|title=PX68k-libretro X68000 Emu Released|publisher=Reddit|accessdate=2018-04-02|date=2017-06-10}}</ref> This libretro branch was forked, starting on May 3, 2017, from hissorii's old build (Last updated in on August 2014), backported 'c68k' core from [https://github.com/kenyahiro/px68k/ kenyahiro's 'px68k'] branch (fork of [https://github.com/hissorii/px68k hissorii's 'px68k'] branch using recent c68k yabause core to support X64 build). The Pandora version (An open-source handheld PC) by ptitSeb was forked from hissorii's 'px68k' branch and encapsulates the latest code from px68k-libretro (A spin-off of hissorii's branch). It should now have good performance as of Build 09 (March 2018).
==Playing Games==
If you're using MAME's core under Retroarch, you'll need to put those x68000 BIOS files (from emuparadise) under the keropi folder: x68000, x68000 super, x68000 XVI, x68030, x68k_cz6bs1.
You'll need the MS Gothic font installed on your PC as well. Make sure to decompress the games before playing them. The lzh extension means it's a compressed archive format popular in Japan in the nineties, but fortunately , it's handled by any zipping tool worth its salt (like 7-zip).
While in-game, the F12 key (or L2 button) brings up a menu, "SWITCH for PX68k", that's still in Japanese.
;No Wait Mode: This makes fast-forwarding work in Retroarch if turned on.
On p68K-libretro, After the first boot , a “config” file will be generated in the “keropi” folder. You can enter your rom folder into the “StartDir” line to make it accessible from the PX68k-libretro core’s in-game menu.
Core options include some other things of interest:
