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! scope="col"|<abbr title="Free/Libre and Open-Source Software">FLOSS</abbr>

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! colspan="10"|PC / x86

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==Overview==

Due to the PS4's x86 architecture and FreeBSD-based operating system, emulators for the device will by and large be very unconventional. Despite the x86's instruction set being '''huge'''<ref>{{cite web | url= https://en.wikipedia.org/wiki/x86_instruction_listings | title= x86 instruction listings | Wikipedia}}</ref>, a trait that would typically lead to years of development time by emulators, it opens the ability for pre-existing hypervisors to do the heavy lifting, eliminating the need for a recompiler. There is also, as of writing this, little to no documentation on the GPU (a modified Radeon 7970M with disabled stream processors) used in the PS4's APU, and it will require a complete re-implementation by emulator developers. End-users may wish to perform a preliminary dump of the required files from their PS4 using the [https://phi.nz/orbital/tools/dumper/ Orbital Dumper].

Because most people don't understand how emulation really works, scammers try and take advantage of this by making [[Emulator scams|their own fake emulator]] for malicious purposes. The PS4 has seen its fair share of scams, the most notable and persistent of which being '''PCSX4'''. The scheme is very elaborate and clever, with a website designed to mimic [[RPCS3]]'s while using a similar naming scheme as [[PCSX-Reloaded|PCSX]] and [[PCSX2]] (both of which are legitimate). The site makes use of aggressive search engine optimization (SEO), meaning it's one of the top results for "PS4 emulator" on Google. There are three things that invalidate PCSX4's legitimacy:

* For any skeptic, the use of OGRE as a marketing tool is the smoking gun. OGRE is a video game engine, which developers would use to make games run on consoles. No one uses Unity or Unreal Engine to emulate a Switch. Claiming that OGRE somehow benefits emulation is a farce.

===Dissidia Final Fantasy Arcade===

Taito's Dissidia Final Fantasy Arcade is currently the only arcade game that runs on PS4 based hardware. This game runs on a PS4 kiosk demo unit which the hardware is identical to regular retail PS4 and could be converted to regular retail mode. An extra I/O board is attached to the PS4 via USB port.