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Nestopia v1.22


New member
Nestopia, the open source, most acurate, compatible and probably the best NES emulator so far has been updated.

Windows Port:

- Added support for RAR and 7-Zip files.
- Enabled use of XP visual styles.
- Cleaned up the GUI a bit and fixed proper tab ordering.
- Added cheat search support.
- Added some joystick options. People having joystick problems in earlier versions can now disable the buggy axes.
- Improved auto frame skipping performance.
- Fixed an FDS BIOS path saving bug.
- Fixed an auto IPS patching bug.
- Fixed a Wave file recording bug.
- Fixed an Alt+Tab from fullscreen bug.
- Fixed a cheats delete/clear bug.

Emulation Core:

- Added real-time rewinding support (up to 1 minute). To use it, assign it to any key and enable it in the Timing dialog.
- Added support for cheats in the whole address range.
- Added support for "Pro Action Rocky" cheat codes.
- Added DPCM channel sample interpolation and DC offset removal.
- Improved PPU vblank timing and flag behaviour, info from Blargg.
- Fixed mapper 6 and moved "Mi Hu Chen (hFFE)" to it, info from CaH4e3.
- Moved "Shin Samurai Spirits 2", "Power Rangers III" and "Power Rangers IV" to mapper 209.
- Moved "Mortal Kombat 3 - Special 56 People" to mapper 90.
- Hacked mapper 90, more games are playable now,
- Added mapper 148 and moved "Sugoro Quest - Dice no Senshitachi (asia)" to it.
- Added mapper 183, info from CaH4e3.
- Added mapper 186, info from CaH4e3.
- Fixed mapper 187, "King Of Fighters 96" is now playable.
- Added mapper 216, info from CaH4e3.
- Added DreamTech UNIF board, info from CaH4e3.
- Added H2288 UNIF board, info from Kevtris and CaH4e3.
- Added proper handling of FDS disk insert/eject during movie playing/recording.

Get it here
Last edited:


New member
It's probably the NEs emulator with highest system requeriments, so I guess it's the price for acuracy. About being slow, change the video memory allocation and turn off vsync should speed up somehow.
Last edited:


New member
Seems it's a problem with auto frame skipping needing to be turned on.. Oh well.. It seems to be rid of the speed problem, but still doesn't feel quite smooth when scrolling, even with Vsync on.