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|active = Yes
|platform = Multi-platform
|target = [[Atari Lynx emulators|Atari Lynx]], [[WonderSwan emulators|Bandai WonderSwan/Color]], [[Game Boy Advance emulators|Nintendo Game Boy Advance]], [[Nintendo Entertainment System emulators|NESNintendo Entertainment System]], [[Super Nintendo emulators|SNESSuper Nintendo Entertainment System]], [[Virtual Boy emulators|Virtual Boy]], [[PC Engine (TurboGrafx-16) emulators|NEC PC Engine (TurboGrafx-16)]], [[PC-FX emulators|PC-FX]], [[Neo Geo Pocket emulators|SNK Neo-Geo Pocket/Color]], [[PlayStation emulators|Sony PlayStation]], [[Master System emulators|Sega Master System]] and [[Master System emulators|Game Gear]], [[Sega Genesis emulators|Mega Drive (Genesis)]], [[Sega Saturn emulators|Saturn]]
|developer = Ryphecha, Mednafen Team
|website = [https://mednafen.github.io/ mednafen.github.io]
|source = [http://sourceforge.net/projects/mednafen/files/latest/download?source=files SourceForge]
}}
'''Mednafen''' (an acronym for '''My Emulator Doesn't Need A Frickin' Excellent Name''') is a an open-source [[Multi-System Emulatorssystem emulators|multi-system emulator]], driven from the command-line. Many of its cores are ports of other emulators, but many of them are also original. Its [[PlayStation emulators|PlayStation]], [[Sega Saturn emulators|Sega Saturn]], [[Virtual Boy emulators|Virtual Boy]], and [[PC Engine (TurboGrafx-16) emulators|PC Engine (TurboGrafx-16)]] original cores are notable for their high quality, compatibility and accuracy.
==Downloads==
Mednafen only has a command line interface, so its interface might be hard to use to new users.
The best cores in Mednafen are those that are original - which are the PS1Sony PlayStation, PCENEC PC Engine, PC-FX, Sega Saturn and Nintendo Virtual Boy cores. The PCE core is one of the best emulators for that system, with a Fast and Accurate version. The PS1 core is native resolution only and features a high degree of accuracy and compatibility.<ref>[http://forum.fobby.net/index.php?t=msg&th=1114 Mednafen PSX bugs reports]</ref> The Virtual Boy core is one of the best for the system.
Other cores improve upon emulators that have been long abandoned and rarely updated. These include the Neo Geo Pocket, WonderSwan Color, and Atari Lynx cores.
Other cores are less useful, as there are better options in stand-alone emulators (NES, Sega Genesis, Master System and SNES). These cores might even be based on out-dated versions. For instance, the SNES core is based on an old outdated version of bsnes. This is before the performance/accuracy/balanced cores — 0.50x territory — with a couple of changes by Ryphecha.
It is unknown at this time whether Mednafen's GBA core is better than [[VisualBoy Advance#VBA-M|VBA-M]].
[[RetroArch]] uses the PS1, PCE, Neo Geo Pocket, Virtual Boy, Saturn, and WonderSwan cores of Mednafen, so it might make sense to use that instead.
===Graphical enhancements===
====Sprite limit====
This is a feature on older systems, due to hardware limitations, that makes it only display so many sprites could be on screen at the same time. Most systems got around this limitation by alternating which sprites were on the screen each refresh, causing the sprite to flicker. Mednafen's default settings are true to the original system limits, but this can be disabled in the .cfg file. Here is the list of options from the .cfg file to change from 0 to 1 if you don't wish to have the limit.
* [{{MednafenURL|documentation/nes.html#nes.no8lim}} nes.no8lim]
Cores that work with netplay:
* NEC PC Engine (TurboGrafx-16)/PCPCE-CD/SuperGrafx (option for both accuracy and fast cores)* NEC PC-FX
* NES
* Sega Genesis* Sega Master System
* SNES
* Sony PlayStation
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