systems:pc80 [Batocera.linux

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====== NEC PC-8001 ======
The NEC PC-8001 is a home computer developed by [[wp>NEC]]. It was released in 1979 in Japan and became one of the most popular personal computers in the country during the early 1980s. It featured a Zilog Z80-compatible NEC uPD780C CPU running at 4 MHz, 16-32 KB of RAM, and Microsoft N-BASIC in ROM. The PC-8001 series includes the original PC-8001 (1979), PC-8001 mkII (1983), and PC-8001 mkII SR (1985).

This system scrapes metadata for the "pc80" group(s) and loads the ''pc80'' set from the currently selected theme, if available.
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==== Quick reference ====
  * **Emulator:** [[#mame|MAME]]
  * **Folder:** ''/userdata/roms/pc80''
  * **Accepted ROM formats:** ''.d77'', ''.d88'', ''.1dd'', ''.dsk'', ''.n80'', ''.bin'', ''.zip'', ''.7z''

===== BIOS =====
^ MD5 checksum ^ Share file path ^ Description ^
| | ''bios/pc8001mk2sr.zip'' | MAME BIOS ROM set for PC-8001 mkII SR |

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The ''pc8001mk2sr.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 NEC PC-8001 ROMs in ''/userdata/roms/pc80''.

Most PC-8001 software comes as disk images (.d88, .d77) or tape images (.n80). After booting, software on disk may auto-load, or you may need to type commands in BASIC (e.g. ''CLOAD'' for tape images or ''RUN'' for disk images).

===== Emulators =====
==== MAME ====
[[https://www.mamedev.org/|MAME]] (Multiple Arcade Machine Emulator) is a multi-purpose emulation framework that aims to preserve decades of software history. In Batocera, MAME can be used as either a standalone emulator or as a libretro core in RetroArch.

Since PC-8001 emulation uses MAME, the specific machine variant can be selected:
  * **pc8001** - Original PC-8001 (1979)
  * **pc8001mk2** - PC-8001 mkII (1983)
  * **pc8001mk2sr** - PC-8001 mkII SR (1985)

=== MAME configuration ===
^ ES setting name ''batocera.conf_key'' ^ Description => ES option ''key_value'' ^
^ Settings that apply to all cores of this emulator ||
| **EMULATOR ''pc80.emulator''** | Choose the MAME variant to use.\\ => MAME ''mame'', libretro: MAME ''libretro:mame''. |

==== 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 also be used to emulate the PC-8001. It uses the same MAME BIOS and ROM sets as the standalone version.

===== Controls =====
The NEC PC-8001 is a computer system, so it primarily uses a **keyboard** for input. A physical USB keyboard is strongly recommended for the best experience.

^ Action ^ Key/Button ^
| Type text / input commands | Physical keyboard |
| MAME menu | Tab |

===== Troubleshooting =====
==== Black screen on boot ====
Make sure the correct BIOS file (''pc8001mk2sr.zip'') is in the ''/userdata/bios/'' folder and matches the MAME version used in Batocera. Use **GAME SETTINGS > MISSING BIOS CHECK** to verify.

==== Software won't load ====
Try a different machine variant (pc8001 vs pc8001mk2 vs pc8001mk2sr) as some software is only compatible with specific models.

==== No keyboard input ====
Ensure your USB keyboard is connected before launching the game.

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