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Updated FAQ (markdown => mediawiki)

markwkidd 2017-09-11 20:05:48 -04:00
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FAQ.md

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### What is RetroArch?
RetroArch is a frontend for [libretro](http://www.libretro.com), an open API which exposes the functionality of a game, emulator or certain kinds of multimedia applications. libretro started as libsnes with the SNES emulator bSNES, but libretro has since become a far broader API. RetroArch builds around the libretro API to provide a powerful interface for libretro cores.
Some cool features to mention are frame-by-frame rewind (Braid-style), multi-pass GPU shaders, FFmpeg on-the-fly raw video recording and netplay. All these features will work independently of the libretro implementation used.
### Which platforms are RetroArch available for?
RetroArch runs and is supported on GNU/Linux, BSD, Windows, Mac OSX (PPC/Intel), PlayStation 3, XBox 360, XBox 1, Raspberry Pi, Nintendo Wii, Android, iOS and Blackberry.
### Which rom types are supported?
RetroArch supports uncompressed as well as zipped roms.
### Does RetroArch support patching formats?
RetroArch currently supports UPS, IPS and BPS patching formats.
If you load rom.bin and rom.ups, rom.ips or rom.bps is present, the ROM will be autopatched.
Autopatching only takes place of the libretro implementation supports loading ROMs from memory.
### Does RetroArch support video filters like HQ2x, 2xSaI, etc?
Filters are not built into RetroArch, but it supports filter plugins which you can load into RetroArch.
The filter plugins are the same as used in bSNES (*.filter).
Do note that RetroArch only supports the older filters from bSNES v082 and older (15-bit -> 32-bit filters).
Using newer filters will most likely crash RetroArch due to the lack of means to verify if a filter is compatible. If you can, prefer using GPU shaders as they are more flexible and much better supported.

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# Does RetroArch support patching formats?
RetroArch currently supports UPS, IPS and BPS patching formats. If you load `rom.bin` and one of the following is present, the ROM will be autopatched: `rom.ups`, `rom.ips` or `rom.bps`. Autopatching only takes place if the libretro implementation supports loading ROMs from memory.
This documentation has been moved to [https://github.com/libretro/docs libretro-docs] and can be viewed at this location: https://buildbot.libretro.com/docs/