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MVSPSP
What it is
MVSPSP is a free PSP emulator for Neo-Geo MVS and AES systems, distributed in a public repository under the GPL-3.0 license. Modified builds are described as HBL-compatible because they remove loading of systembuttons.prx and its button functions; those versions are based on emulator releases 2.2.1 and 2.3.1. Before use, a game cache must be created, after which some files used to build it may be removed from the ZIP archive. The upstream readme says PSP-2000 expanded memory can be used when compiling with PSP_SLIM, but a cache remains required. Version 2.2.0 added ROM sets supported through MAME 0.119 and bootleg sets supported by MAME Plus!. Build options include save/load states, AdHoc multiplayer, a command list, Japanese UI, and 32-bit UI drawing. AdHoc requires KERNEL_MODE, while disabling 32-bit drawing outside NCDZPSP is recommended to reduce memory use. The listed build environment is Cygwin with PSPSDK revision 2318.
For and against
For
- Free GPL-3.0 project
- Supports Neo-Geo MVS and AES
- Offers save states and command list
- Includes optional AdHoc multiplayer
- HBL-compatible modified builds described
Against
- Requires creating a game cache
- AdHoc needs KERNEL_MODE compilation
- Build setup lists Cygwin and PSPSDK
- 32-bit drawing can increase memory use
The verdict
MVSPSP provides Neo-Geo emulation on PSP with several optional build features and HBL-focused variants. Cache creation and compilation constraints make its setup more involved than a ready-to-run application.
Who it suits
MVSPSP is for PSP users seeking Neo-Geo MVS and AES emulation, including those working with HBL-compatible builds. It also suits builders comfortable compiling with the listed PSP development tools.
On the record
- Ad hoc play
- The Makefile enables ADHOC for the MVSPSP build.github.com · read 7 Oct 2026
- Base versions
- The maker says the modified versions are based on emulator versions 2.2.1 and 2.3.1.github.com · read 7 Oct 2026
- Build environment
- The upstream readme lists Cygwin and PSPSDK revision 2318 as the build environment.github.com · read 7 Oct 2026
- Build target
- The Makefile sets MVSPSP as the build target.github.com · read 7 Oct 2026
- 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.github.com · read 7 Oct 2026
- Command list
- The Makefile enables COMMAND_LIST for the MVSPSP build.github.com · read 7 Oct 2026
- Features and integrations
- The repository does not state integrations or a separate security or compliance offering.github.com · read 7 Oct 2026
- 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.github.com · read 7 Oct 2026
- License
- The repository is public and displays a GPL-3.0 license.github.com · read 7 Oct 2026
- Maintainer
- The README is signed “By Herz.”github.com · read 7 Oct 2026
- Memory constraint
- The upstream readme recommends disabling 32-bit UI drawing outside NCDZPSP to reduce memory use.github.com · read 7 Oct 2026
- Multiplayer constraint
- The AdHoc option can be compiled only when KERNEL_MODE is enabled.github.com · read 7 Oct 2026
- Optional features
- Build options include save/load states, AdHoc multiplayer, a command list, Japanese UI, and 32-bit UI drawing.github.com · read 7 Oct 2026
- PSP compatibility
- The repository describes modified builds that are compatible with HBL.github.com · read 7 Oct 2026
- 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.github.com · read 7 Oct 2026
- Purpose
- MVSPSP is an emulator for the Neo-Geo MVS and AES systems.github.com · read 7 Oct 2026
- ROM cache
- A game cache must be created, after which files used to create it can be removed from the ZIP archive.github.com · read 7 Oct 2026
- 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!.github.com · read 7 Oct 2026