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{{infoboxInfobox emulator|image logo = Zsnes.jpg|first logowidth = 200|last-version = 1.51|second active = YesNo|third platform = DOS, [[Emulators on Windows|Windows]], [[Emulators on Linux|Linux]], [[Emulators on macOS|macOS]], FreeBSD, OS X[[Emulators on DOS|DOS]]|fourth architecture = [[wikipedia:x86|x86]]|target = [[Super Nintendo emulators|SNES]]|developer = zsKnight, _Demo_, pagefault, and Nach|fifth website = [http://www.zsnes.com/ ZSNES.com]|sixth source = [http[sourceforge://sourceforge.net/projects/zsnes/files/zsnes/ |SourceForge]]|support = [https://www.paypal.com/cgi-bin/webscr?item_name=Donation+to+ZSNES&cmd=_donations&business=pagefault%40gmail.com PayPal]|license = GNU GPLv2}}

'''ZSNES''' is a free and open-source [[Super_Nintendo_emulatorsSuper Nintendo emulators|Super Famicom (SNES)emulator]] emulator written in [[wikipedia:x86 |x86]] assembly. It was originally made in 1997and was one of the most popular Super Nintendo emulators from late nineties to mid-2000s, but now is obsolete and has not been updated since 2007. It Currently the only reason to use ZSNES is currently one of for the most popular SNES emulatorsnetplay or if you're on a toaster.

{| cellpadding="4"|-|align=center|{{Icon|Win|Lin|DOS}}|'''[https://www.zsnes.com/index.php?page=files Official releases]'''|-|align=center|{{Icon|Mac-big}}|'''[https://emulationrealm.net/downloads/file/865-zsnes-mac 1.51 - Mac]'''|} ==Netplay==* [http://prdownloads.sourceforge.net/projectszsnes/zsnesw142.zip ZSNES 1.42]* [http:/zsnes/filesprdownloads.sourceforge.net/zsnes/ zsneswv1.36.zip ZSNES1.36]

The ZSNES developers focused on speed over [[Emulation Accuracyaccuracy|accuracy]], so a hefty amount of games have bugs (and some just plain crashoutright). The current version (v1.51 ) created more problems than it fixed and many problems still remain:

*Compatibility is lower than modern emulators due to low accuracy to real SNES system. *Games crashing: Der Langrisser (freezes after 2-3 2–3 hours), Super Mario RPG (freezes in many different points of the game), Star Ocean and many other games have freezing and crashing issues. *Bad sound emulation: Many games sound inaccurate on ZSNES. ZSNES's audio timer isn't floating point so there are timing artifacts in the music. ZSNES doesn't emulate release values of ADSR so held notes will sound poor. [[File: Old zsnes snow gui.jpg|left|thumb|300px|Despite being outclassed by many more accurate ''and secure'' emulators, some held on to Zsnes for its iconic user interface.]] *Many of the co-processors, which are actually on the game cartridges, are emulated in strange ways. For example, Super FX is not clocked correctly; Star Fox runs twice as fast as it should. *Transparency: Kirby Dreamland 3, Mecarobot Golf, Jurassic Park and other games that use pseudo -hi-res translucency won't display correctly in the default graphics engine in v1.51. To get them to display properly in v1.51, one must press 8 to switch to the old graphics engine. *x86 Code Exploitcode exploits: With specially made hacks and homebrew ROMs, it is possible for them to break out of ZSNES itself and [https://www.youtube.com/watch?v=Q3SOYneC7mU execute native code on the host computer.] *While older versions of ZSNES still have one of the better netplay systems among emulators, netplay was removed in v1.50.

These are just a few problems* While older versions of ZSNES still have one of the better netplay systems among emulators, there are a few more listed [http://webnetplay was removed in v1.archive.org/web/20120217115713/http://byuu.org/bsnes/accuracy here], and [http://sourceforge.net/p/zsnes/bugs/ here]50.

It is recommended to use [[Snes9x]] or [[bsnes]] instead* SA-1 isn't emulated correctly, so Kirby Super Star can sometimes spawn different sprites than the supposed one.

==Alternatives==These are just a few problems, there are a few more listed [https://floating.muncher.se/byuu/accuracy/ here] and [http://sourceforge.net/p/zsnes/bugs/ here]. It is recommended to use [[Snes9x]], [[bsnes]] or [[ares]] instead.

==NetPlay==*[http://prdownloads.sourceforge.net/zsnes/zsnesw142.zip ZSNES 1.42]*[http://prdownloads.sourceforge.net/zsnes/zsneswv1.36.zip ZSNES 1.36]{| class="mw-collapsible mw-collapsed wikitable" style="width: 100%;"

* Individual layers can be switched on and off, allowing to take screenshots without sprites or with sprites only, among other possibilities.* Can pause emulation at any time* You can access and navigate all menus with the keyboard only; you are not forced to waste time looking for the mouse with your hand and for its cursor on the screen.*Excellent netplay connectivity between 2 players*In-game chat that doesn't require switching focus between 2 windows*Can pause emulation at any time*The host's save file is immediately shared with the client, so you don't need to upload it elsewhere first*In case of desynchdesynchronization, the host can make savestates save states and load them for both players to resynchresynchronize*You can swap controllers at any time*You can change emulator latency on the fly to compensate for choppiness at the expense of slight input lag*It works just as well with between a dialup dial-up user and someone on DSL*You can switch between Windowed windowed mode and Fullscreen full screen with ease.*Using version 1.36 , games pretty much do not desync desynchronize period* Still has some big communities and dedicated servers like [http://emu.z-net.us Z-Net]

*Netplay is 2P ONLY, with no multiplayer version foreseeable in the near future.*Both players need their port forwarded to connect over UDP for netplay, and TCP can be quite choppy*Most Konami games tend to desynch desynchronize unless you specifically use ZSNES 1.36 or 1.337*Interface might be unappealing to some people

[[Category:NetPlay‏‎Console emulators]][[Category:Home console emulators]][[Category:Super Nintendo emulators]]

[[Category:OS X macOS emulation software]][[Category:DOS emulation software]][[Category:Historic emulation software]][[Category:Netplay‏‎]]