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* {| cellpadding="4"|-|align=center|{{Icon|Win-big}}|'''[{{MednafenURL|releases/}} MednafenOfficial release]'''<br/><small>Includes [[source code]]</small>|-|colspan="2"|<hr/>|-|align=center|{{Icon|Lin|BSD}}|[https://pkgs.org/download/mednafen <code>mednafen</code> Package Listing] Official releases<br/><small>at pkgs.org</small>|}
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 Sony PlayStation, NEC PC Engine, PC-FX, Sega Saturn and Nintendo Virtual Boy cores. The NEC PC Engine core is one of the best emulators for that system, with a Fast and Accurate version. The PlayStation 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 Nintendo Virtual Boy core is one of the best for the system.
[[RetroArch]] uses the Mednafen's Sony PlayStation, NEC PC Engine(Fast, not Accurate, version), SNK Neo Geo Pocket/Color, Nintendo Virtual Boy, Sega Saturn and Bandai WonderSwan/Color emulators are all available as [[libretro]] cores of Mednafenunder the name "Beetle", so it might make more sense to use that [[RetroArch]] instead.
All of these come with the [[Emulator_Files#Multi-System|RetroArch BIOS pack]] and are correctly named.
* [http://sourceforgeSee our dedicated frontends page.net/projects/medgui/ Medgui] (Windows)* [http://forum.fobby.net/index.php?t=msg&th=924&start=0& MedGui Reborn] (Windows)* [https://medlaunch.info MedLaunch] (Windows)* [https://github.com/AmatCoder/mednaffe Mednaffe] (Multi-platform){{Main|Frontends#Mednafen}}
* Frontend doesn't always save settings correctly
* Frontend defaults to detecting compressed ROM archives instead of the actual ROMs (you can still load uncompressed ROMs by selecting "All files *.*" from the drop-down menu)
RetroArch is not the ultimate choice if the best accuracy of emulation of PC Engine (+CD) is required
|version = {{MednafenVer}}
|active = Yes
|platform = Multi-platformWindows, Linux, BSD and more
|target = [[Atari Lynx emulators|Atari Lynx]], [[Apple II emulators|Apple II]], [[WonderSwan emulators|Bandai WonderSwan/Color]], [[Game Boy Advance emulators|Nintendo Game Boy Advance]], [[Nintendo Entertainment System emulators|Nintendo Entertainment System]], [[Super Nintendo emulators|Super 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]], [[Master System emulators|Game Gear]], [[Sega Genesis emulators|Genesis (Mega Drive)]], [[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]
|license = GNU GPLv2
|bios = [[Emulator_Files#Multi-system|Required]]
}}
'''Mednafen''' (an acronym for '''My Emulator Doesn't Need A Frickin' Excellent Name''', formely formerly '''Nintencer''') is an open-source, [[Multi-system 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|Sony PlayStation]], [[Sega Saturn emulators|Sega Saturn]], [[Virtual Boy emulators|Nintendo Virtual Boy]], and [[PC Engine (TurboGrafx-16) emulators|NEC PC Engine (TurboGrafx-16)]] original cores are notable for their high quality, compatibility and accuracy.
==Downloads==
==Supported systems==
|-
|[[PC Engine (TurboGrafx-16) emulators|NEC PC Engine/TurboGrafx-16 (CD)]]
|Original. CD-ROM interface based on [https://web.archive.org/web/20190327015916/http://www.geocities.co.jp/SiliconValley-Bay/9975/PC2E/english.html PC2E].
|-
|[[PC-FX emulators|NEC PC-FX]]
|-
|[[Super Nintendo emulators|SNES (Super Famicom)]]
|[[higan|bsnes v059]]& Original ([https://mednafen.github.io/documentation/snes_faust.html SNES Faust])
|}
==Overview==
Other cores improve upon emulators that have been long abandoned and rarely updated. These include the SNK Neo Geo Pocket/Color, Bandai WonderSwan/Color, and Atari Lynx cores.
It is unknown at this time whether Mednafen's Nintendo Game Boy Advance core is better than [[VisualBoy Advance#VBA-M|VBA-M]].
==Using Mednafen==
Officially Mednafen has only a command-line interface, that is pretty nevertheless easy to get up configure and runningrun for users familiar with it. You Everyone else can use a [[Frontends#Mednafen|third-party frontend like medgui]] for GUI. However, As with any type of interface a good text editor like [http://www.notepad-plus-plus.org/ Notepad++] is all you need if you need can be used to change settings.
===BIOS===
Most cores do not require any BIOS except for the Sony PlayStation, NEC PC Engine CD, PC-FX, and Sega Saturn cores. [[Emulator_Files#Multi-System|BIOS files]] need to be placed into a folder called "firmware" in your Mednafen directory. Mednafen is very picky about which BIOS to use, but all of these come with the [[Emulator_Files#Multi-System|Mednafen BIOS pack]] and are correctly named. The ones that you might need are:
'''Sony PlayStation'''
* sega_101.bin
* mpr-17933.bin
===CUE===
* [{{MednafenURL|documentation/pce_fast.html#pce_fast.nospritelimit}} pce_fast.nospritelimit]
* [{{MednafenURL|documentation/pcfx.html#pcfx.nospritelimit}} pcfx.nospritelimit]
====Width size corrections====
Some cores have a wrong width resolution, doubt if this is a bug and even less a problem, but if you want some pixel perfect (to see better horizontal scrolling for example) you must disable Correct aspect ratio in these cores:
* md.correct_aspect 0
* nes.correct_aspect 0
* pce_fast.correct_aspect 0
* snes.correct_aspect 0
* snes_faust.correct_aspect 0
* ss.correct_aspect 0
Here is also a little list of the cores without an correct_aspect setting but its width is still wrong, so changing it's xscale values will give pixel perfect.
These cores (except PC-FX) also have a boolean setting called h_overscan which if it's enabled (1) some overscan (which is most known as black bars) on both sides will appear, but width size is still inaccurate.
All values are replaced from 1X scale, if you want 2X or 3X scale, multiply it with a calculator.
* PCE / PC-FX: 0.888888888888888
* PC Engine (h_overscan 1): 0.875
* PlayStation (h_overscan 0): 1.092715231788079
* PlayStation (h_overscan 1): 1.09375
<gallery>
File:mednafenpsxbefore.png|2.0X scale
File:mednafenpsxafter.png|2.1875X scale
</gallery>
===Cheats===
===Further reading===
* {{MednafenURL|documentation/}}
==Memory cards==
* Rename the files you want to transfer with the names of the RetroArch memcard files.
* Place the new ones in the system folder.
====Using Memory Card Manager 1.4====
Another option is to use Memory Card Manager 1.4 to extract a separate game saves from a shared memory card file.
The utility has support for next memory card formats: *.mem, *.mcd, *.mcr, *.gme, *.ddf, *.psx, *.ps, *.psm, *.vmp, *.VM1
[[File:memory_card_manager.png|400px]]
It allows to transfer each of the game saves from a shared memory card to a .mcr memory file used by Mednafen. As it was described above you just need to start game and check for '''sav''' folder inside Mednafen system directory. Open with Memory Card Manager 1.4 the memory file created for your game by Mednafen and open the shared memory card file from which you wish to transfer a save entry. When there would be a dialogue 'Do you want to replace 'SAVE_ENTRY_NAME' click 'Yes' and then save the file to the '''sav''' folder (the older one should be replaced).
==Frontends==
==Netplay==
* Sony PlayStation core is accurate but slow
* Only supports 2 players on Genesis
|}
==External links==
* [http://fantasyanime.com/emuhelp/emuhelp_mednafen.htm Mednafen tutorial]
* [https://formulae.brew.sh/formula/mednafen MacOS instructions]
==References==
[[Category:Emulators]]
[[Category:Multi-emulators]]
[[Category:Consoles' emulators]][[Category:Home consoles' emulators]][[Category:Handheld consoles' emulators]][[Category:Atari consolesLynx emulators]]
[[Category:Nintendo Entertainment System emulators]]
[[Category:Super Nintendo emulators]]
[[Category:Linux emulation software]]
[[Category:macOS emulation software]]
[[Category:iOS emulation software]]
