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SPECIFICTION
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MVSPSP

github.com

Self-hosted
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Spec score 7.3 #11 of 18 in Neo Geo Emulators

What it is

MVSPSP is a free, self-hosted emulator for Neo-Geo MVS and AES systems, with PSP as its supported platform. The repository is public under the GPL-3.0 license. Before playing, you must create a game cache; afterward, some files used to create that cache can be removed from the ZIP archive. The project describes modified builds compatible with HBL and identifies those versions as based on emulator releases 2.2.1 and 2.3.1. Version 2.2.0 added ROM sets supported through MAME 0.119 and bootleg sets supported by MAME Plus!. Build options include save and load states, AdHoc multiplayer, a command list, Japanese UI, and 32-bit UI drawing. AdHoc requires KERNEL_MODE, and the readme recommends disabling 32-bit drawing outside NCDZPSP to reduce memory use. PSP-2000 expanded memory is available when compiled with PSP_SLIM, while a cache remains required. The listed build environment is Cygwin with PSPSDK revision 2318.

Spec sheet

Purpose
MVSPSP is an emulator for the Neo-Geo MVS and AES systems.Read 7 Oct 2026 · github.com
Support
The upstream readme asks users to report license problems, but the opened project pages do not state a support channel.Read 7 Oct 2026 · github.com
License
The repository is public and displays a GPL-3.0 license.Read 7 Oct 2026 · github.com
Ad hoc play
The Makefile enables ADHOC for the MVSPSP build.Read 7 Oct 2026 · github.com
Base versions
The maker says the modified versions are based on emulator versions 2.2.1 and 2.3.1.Read 7 Oct 2026 · github.com
Build environment
The upstream readme lists Cygwin and PSPSDK revision 2318 as the build environment.Read 7 Oct 2026 · github.com
Build target
The Makefile sets MVSPSP as the build target.Read 7 Oct 2026 · github.com
Cache requirement
MVSPSP requires creating a game cache; after it is created, the README says some files used to make it can be removed from the ZIP.Read 7 Oct 2026 · github.com
Command list
The Makefile enables COMMAND_LIST for the MVSPSP build.Read 7 Oct 2026 · github.com
Features and integrations
The repository does not state integrations or a separate security or compliance offering.Read 7 Oct 2026 · github.com
HBL compatibility
The README says the modified builds were made compatible with HBL after removing loading of the systembuttons.prx file and its button functions.Read 7 Oct 2026 · github.com
Maintainer
The README is signed “By Herz.”Read 7 Oct 2026 · github.com
Memory constraint
The upstream readme recommends disabling 32-bit UI drawing outside NCDZPSP to reduce memory use.Read 7 Oct 2026 · github.com
Multiplayer constraint
The AdHoc option can be compiled only when KERNEL_MODE is enabled.Read 7 Oct 2026 · github.com
Optional features
Build options include save/load states, AdHoc multiplayer, a command list, Japanese UI, and 32-bit UI drawing.Read 7 Oct 2026 · github.com
PSP compatibility
The repository describes modified builds that are compatible with HBL.Read 7 Oct 2026 · github.com
PSP memory
The upstream readme says MVSPSP can use the expanded memory of PSP-2000 when compiled with the PSP_SLIM flag, while still requiring a cache.Read 7 Oct 2026 · github.com
ROM cache
A game cache must be created, after which files used to create it can be removed from the ZIP archive.Read 7 Oct 2026 · github.com
ROM compatibility
The upstream readme says version 2.2.0 added ROM sets supported through MAME 0.119 and bootleg sets supported by MAME Plus!.Read 7 Oct 2026 · github.com
Save states
The Makefile enables SAVE_STATE for the MVSPSP build.Read 7 Oct 2026 · github.com
Target device
The project README describes MVSPSP as a PSP emulator.Read 7 Oct 2026 · github.com

Strong points and limits

Strong points

  • Free plan with no trial fee
  • Emulates both Neo-Geo MVS and AES
  • Supports save states and command lists
  • Offers optional AdHoc multiplayer
  • Modified builds support HBL

Limits

  • Requires creating a game cache
  • AdHoc requires KERNEL_MODE
  • 32-bit drawing uses additional memory
  • Build environment lists older PSPSDK revision 2318

Who it suits

MVSPSP suits PSP owners who want Neo-Geo MVS or AES emulation and can create game caches. It also fits users building from the public GPL-3.0 project.

Verdict

MVSPSP provides PSP-focused Neo-Geo MVS and AES emulation with configurable build features. Its cache setup and build constraints matter for anyone preparing a self-hosted installation.

Where Specifiction places it

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