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# MAME MESS - RetroBIOS

Type | libretro
Classification | official_port
Source | https://github.com/libretro/mame
Upstream | https://github.com/mamedev/mame
Version | 0.286
Profiled | 2026-03-24
Cores | mamemess

Technical notes

SUBTARGET=mess build from libretro/mame. Same source, same CORE_NAME ("mame"), same paths (system_dir/mame/) as the mame core. Excludes arcade drivers, includes only console/computer/non-arcade drivers (~1290 driver files via mess.flt). romload.cpp unmodified. No hiscore support.

Paths under system_dir/mame/ (artwork, cheat, hash, ini, plugins, samples, crosshair). ROM search: content_dir + system_dir/mame/bios + system_dir/mame/roms. Hash directory contains software list XMLs needed for MESS software loading.

mess.flt exceptions: adds AES (+aes), CD-i consoles (+cdimono1, +cdimono2, +cdi910, +cdi490a), Atari Jaguar (+jaguar, +jaguarcd), CPS Changer (+wofch, +sfzch, +sfach, +sfzbch). Removes arcade 3DO machines (-3dobios, -alg3do, -orbatak, -md23do, -sht3do).

1 active IS_BIOS_ROOT (miuchiz). XaviX TV game parent machines serve as console BIOS for cartridge-based software (IS_BIOS_ROOT commented out in source but functionally required).

20 files | 20 required, 0 optional | 1 in repo, 19 missing Categories: 20 BIOS ZIPs

`miuchiz.zip` -required, bios_zip

- Source: `src/mame/misc/miuchiz.cpp:227`
- Platforms: retrodeck

`ekara.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2878`

`ekaraa.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2879`

`ekaraj.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2880`

`ekarag.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2881`

`ekaras.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2882`

`isinger.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2884`

`ekaraphs.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2887`

`epitch.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2890`

`ekaramix.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2893`

`ddrfammt.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2896`

`popira.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2899`

`popirak.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2901`

`popira2.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2904`

`taikodp.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2907`

`jpopira.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2910`

`evio.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2913`

`tak_daig.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2918`

`gcslottv.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2920`

`hikara.zip` -required, bios_zip, missing from repo

- Source: `src/mame/tvgames/xavix.cpp:2925`

Generated on 2026-03-25T14:56:43Z