systems:mz2000 [Batocera.linux

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====== Sharp MZ-2000 ======
The [[wp>Sharp_MZ|Sharp MZ-2000]] is a home/business computer manufactured by [[wp>Sharp_Corporation|Sharp]], released in 1982 in Japan. It belongs to the MZ-80B lineage (the business/higher-end line of Sharp's MZ series) and is the direct successor to the [[wp>Sharp_MZ#MZ-80B_group|MZ-80B]] (1981).

The MZ-2000 features a Sharp LH0080A ([[wp>Zilog_Z80|Z80A]]-compatible) CPU at 4 MHz, 64 KB RAM, 16 KB VRAM, and a built-in 9-inch green phosphor CRT monitor displaying **640x200 pixels monochrome** — quite sharp for 1982 and well-suited for business applications. An optional color expansion board provides 8 colors at 640x200 or 320x200, but requires an external RGB monitor. Sound is a basic single-channel beeper. Storage includes a built-in cassette tape interface and optional 5.25-inch or 3.5-inch floppy disk drives.

Like all MZ series computers, the MZ-2000 follows the **"clean computer" philosophy** — only a minimal IPL (Initial Program Loader) in ROM. BASIC, CP/M, and other software must be loaded from tape or disk. Multiple BASIC interpreters were available (Sharp BASIC, S-BASIC, Hu-BASIC, etc.).

The closely related **MZ-2200** (1983) is essentially a refined/cost-reduced variant of the MZ-2000, sharing the same architecture. The MZ-2000 was succeeded by the [[systems:mz2500|MZ-2500 "Super MZ"]] (1985), which added color graphics, FM sound, 256 KB RAM, and full backwards compatibility with MZ-2000 software.

This system scrapes metadata for the "mz2000" group(s) and loads the ''mz2000'' set from the currently selected theme, if available.
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==== Quick reference ====
  * **Emulator:** [[#mame|MAME]], [[#retroarch|RetroArch]]
  * **Core:** [[#mame|MAME]], [[#libretro:_mame|libretro: MAME]]
  * **Folder:** ''/userdata/roms/mz2000''
  * **Accepted ROM formats:** ''.mzf'', ''.mzt'', ''.m12'', ''.wav'', ''.d88'', ''.dsk'', ''.zip'', ''.7z''

===== BIOS =====
^ MD5 checksum ^ Share file path ^ Description ^
| | ''bios/mz2000.zip → mz20ipl.bin'' | IPL (Initial Program Loader) ROM |
| | ''bios/mz2000.zip → font.bin'' | Character font ROM |

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The ''mz2000.zip'' BIOS file must match the version of MAME used in your version of Batocera. You can verify your BIOS files from the Batocera menu: **GAME SETTINGS > MISSING BIOS CHECK**.
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===== ROMs =====
Place your Sharp MZ-2000 ROMs in ''/userdata/roms/mz2000''.

Software was distributed on cassette tapes (.mzf, .mzt) and floppy disks (.d88, .dsk). Using MAME's software list mode is recommended for best compatibility.

===== Emulators =====
==== MAME ====
[[https://www.mamedev.org/|MAME]] (Multiple Arcade Machine Emulator) is the primary emulator for the MZ-2000 in Batocera.

==== RetroArch ====
[[https://docs.libretro.com/|RetroArch]] (formerly SSNES), is a ubiquitous frontend that can run multiple "cores", which are essentially the emulators themselves. The most common cores use the [[https://www.libretro.com/|libretro]] API, so that's why cores run in RetroArch in Batocera are referred to as "libretro: (core name)". RetroArch aims to unify the feature set of all libretro cores and offer a universal, familiar interface independent of platform.

=== RetroArch configuration ===
RetroArch offers a **Quick Menu** accessed by pressing ''[HOTKEY]'' + {{:wiki:south.png?nolink&20|South button (B SNES)}} which can be used to alter various things like [[:advanced_retroarch_settings|RetroArch and core options]], and [[:remapping_controls_per_emulator|controller mapping]]. Most RetroArch related settings can be altered from Batocera's EmulationStation.

=== libretro: MAME ===
The libretro version of MAME can be used to emulate the MZ-2000. It uses the same BIOS and ROM sets as the standalone version.

===== Controls =====
The Sharp MZ-2000 is a computer system with a full-stroke **keyboard** (JIS layout). A physical USB keyboard is strongly recommended.

===== See also =====
  * [[systems:mz80k|Sharp MZ-80K]] — the original MZ series computer (1978)
  * [[systems:mz700|Sharp MZ-700]] — consumer MZ line with color (1982)
  * [[systems:mz800|Sharp MZ-800]] — MZ-700 successor with enhanced graphics (1984)
  * [[systems:mz2500|Sharp MZ-2500]] — successor, the "Super MZ" (1985)

===== Troubleshooting =====
==== Black screen on boot ====
Make sure the BIOS file (''mz2000.zip'') is in ''/userdata/bios/'' and matches the MAME version. Use **GAME SETTINGS > MISSING BIOS CHECK** to verify.

==== Further troubleshooting ====
For further troubleshooting, refer to the [[:support|generic support pages]].