systems:mz700 [Batocera.linux

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====== Sharp MZ-700 ======
The [[wp>Sharp_MZ|Sharp MZ-700]] is a home computer manufactured by [[wp>Sharp_Corporation|Sharp]], released in November 1982 in Japan and 1983 in Europe. It is the successor to the [[systems:mz80k|MZ-80K]] line and the **first Sharp MZ computer without a built-in CRT monitor**, adopting a flat keyboard-unit design that connected to an external TV or monitor, making it significantly cheaper and more portable than its predecessors.

The MZ-700 features a Sharp LH0080A ([[wp>Zilog_Z80|Z80A]]-compatible) CPU at 3.55 MHz, 64 KB RAM, and a 40x25 character text display with **8 colors** — introducing color output to the MZ-80K line for the first time. There is no true bitmap graphics mode; all "graphics" are achieved through block/semigraphic characters in the character generator ROM, giving an effective pseudo-graphics resolution of 80x50 pixels. Sound is a basic 1-bit beeper via an 8253 timer. Storage is via a built-in 1200-baud cassette interface.

Like all MZ series computers, the MZ-700 follows the **"clean computer" philosophy** — only a minimal monitor program (IPL) in ROM. BASIC and other languages must be loaded from cassette or disk.

Model variants:
  * **MZ-711** — base unit (keyboard only, no cassette, no plotter)
  * **MZ-721** — keyboard + built-in cassette deck
  * **MZ-731** — keyboard + built-in cassette deck + built-in **4-color plotter printer** (a tiny pen plotter using four miniature ballpoint pens — a unique feature for a home computer of this era)

The MZ-700 maintains **strong backwards compatibility with the [[systems:mz80k|MZ-80K]]** series, sharing the same memory map layout and cassette format. In the UK, the MZ-700 was the **10th best-selling home computer in 1983**, praised for its build quality and reliable cassette loading.

This system scrapes metadata for the "mz700" group(s) and loads the ''mz700'' 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/mz700''
  * **Accepted ROM formats:** ''.mzf'', ''.mzt'', ''.m12'', ''.wav'', ''.zip'', ''.7z''

===== BIOS =====
^ MD5 checksum ^ Share file path ^ Description ^
| | ''bios/mz700.zip → 1z-013a.rom'' | MZ-700 system/monitor ROM |
| | ''bios/mz700.zip → mz700fon.int'' | MZ-700 character generator/font ROM |

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The ''mz700.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-700 ROMs in ''/userdata/roms/mz700''.

Software was distributed on cassette tapes. The most common formats are ''.mzf'' and ''.mzt'' (MZ tape images). 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-700 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-700. It uses the same BIOS and ROM sets as the standalone version.

===== Controls =====
The Sharp MZ-700 is a computer system that uses a **keyboard** for input. A physical USB keyboard is strongly recommended.

===== See also =====
  * [[systems:mz80k|Sharp MZ-80K]] — predecessor, backwards compatible (1978)
  * [[systems:mz800|Sharp MZ-800]] — successor with enhanced graphics and SN76489 sound (1984)
  * [[systems:mz2000|Sharp MZ-2000]] — business-oriented MZ (1982)
  * [[systems:mz2500|Sharp MZ-2500]] — the most powerful 8-bit MZ, "Super MZ" (1985)

===== Troubleshooting =====
==== Black screen on boot ====
Make sure the BIOS file (''mz700.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]].