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|type = [[:Category:ConsolesHome consoles|Home video game console]]|generation = [[:Category:Eighth-generation_video_game_consolesgeneration video game consoles|Eighth generation]]

 The '''PlayStation 4''' (PS4) is an eighth-generation console produced by Sony Computer Entertainment on November 15, 2013 and retailed for {{Inflation|USD|399.99|2013}}. It has is the first PlayStation console to use the [[wikipedia:x86|x86]] architecture, a semi-custom 8-core AMD x86-64 Jaguar CPU at 1.6 GHz, whereas one . One of the cores is utilised separately only for low-power, background tasks. The CPU is shared shares its place on an APU chip with alongside a semi-custom AMD GCN Radeon GPU. They are supported by 8 GB of GDDR5 RAM at 2.75 GHz, while 256 MB 256MB of DDR3 RAM is used only for background tasks. Notably, it is  Emulation of the first PlayStation console 4 will prove to be a monumental task owing to use the [[wikipedia:x86|x86]] architecture, making it easier to program for than complexity of x86_64 and the Radeon-based GPU. Most projects will inevitably end up going the route of [[PlayStation 3 emulators|PlayStation 3Wine]] while also having the same architecture as PCs.

! scope="col"|Operating SystemPlatform(s)

! colspan="10"|[https:PC //github.com/devofspine/spinedemo Spine]|Linux|[https://github.com/devofspine/spinedemo/releases Git]|{{✓}}|{{✗}}x86

|[[OrbitalSpine]]|Windows, align=left|{{Icon|Linux}}|[https://githubdrive.google.com/AlexAlteafile/orbital Gitd/1IGA5vfllApyS65b8uameKzyisWUVPWZ5/view 2022-01-17] |{{✓✗}}| {{~}}|{{✗}}

|RPCS4[[Orbital]]|Unix-likealign=left|{{Icon|Windows|Linux}}|[https://github.com/RPCS4AlexAltea/rpcs4 Gitorbital git]|?{{✓}}| {{✗}}|{{✗}}

|PS4DeltaGPCS4| align=left|{{Icon|Windows}}|[https://github.com/Force67Inori/ps4delta GitGPCS4 git]| {{✓}}|{{✓}}|{{✗}}

|GPCS4PS4Delta| align=left|{{Icon|Windows}}| [https://github.com/Force67/ps4delta git]| {{✓}}| {{✗}}| {{✗}}|-| RPCS4| align=left|{{Icon|Linux}}| {{na}}| {{✗}}| {{✓}}| {{✗}}|-| Kyty| align=left|{{Icon|Windows}}|[https://github.com/InoriInoriRus/GPCS4 GitKyty git]| {{✓}}|{{✓}}|{{✗}}|-! colspan="10"|Console|-| PlayStation 5| align=left|{{Icon|PS5}}| Patch based| {{✗}}| {{✓}}| {{✓}}

;[[Spine]] <small class="plainlinks" style="font-weight:normal;">([https://docs.google.com/spreadsheets/d/1vebgZawcNhdZnGPaSuWrC6wo9OpR1miz/edit#gid=438411959 compatibility])</small>:A high level emulator compatibility layer that was the first to boot can run 360 games (ingame; of the demo can lot, only run two at 4 are considered playable according to the moment)compatibility list.<ref>[https://wwwdocs.youtubegoogle.com/watch?vspreadsheets/d/1vebgZawcNhdZnGPaSuWrC6wo9OpR1miz/edit#gid=2EFrUQ2J3D4438411959 Community Maintained Spine Compatibility List] from latest Spine release</ref> In a stark contrast from other closed -source emulators, Spine is Linux-exclusive;<ref>[https://www.reddit.com/r/emulation/comments/byohyx/spinedemo_20190609/eqoruje devofspine] on Reddit. "No source code at the moment though I plan to make it open source at some point."</ref> the creator has opted not to release the source code out of caution.for a Windows-exclusive variant emerging out of his work,<ref>[https://www.reddit.com/r/emulation/comments/bwz7wepkc8oe/spine_ps4_emulator_another_fake_more_info_inspine_ps4_emulator_v20210901_released_with/eqakwszhc3coog/ devofspine] on Reddit. "I wouldn't mind open sourcing it at some point in time but there are several things that stop me from doing this in the near future: a) there are some parts in the code that are a mess and I wouldn't feel comfortable releasing them for public consumption, b) I enjoy the freedom to develop it in the way I want to, c) I would be a bit afraid of losing control, open source brings with it a risk of forks for example and I wouldn't like to see my work used to do for example a Windows exclusive variant, and d) PS4 is still a current gen console." (Edited)</ref> It uses a despite the fact that there is already interest in getting it working through WSLg.<ref>[[Winehttps://github.com/microsoft/wslg/issues/445#issuecomment-921119545 Spine PlayStation 4 emulator does not work in WSLg with GPU enabled]]-like approachissue at the WSLg repository (#445). GitHub. "no need to close the issue, we will use this to track the GPU acceleration issue. Unfortunately, I don't have access to PlayStation firmware thus not able to repro, but we will see what we can do to investigate this, and its thanks!"</ref> Its authenticity was verified by lead Orbital developer AlexAltea.<ref>[https://www.reddit.com/r/emulation/comments/bz4ikp/orbital_a_playstation_4_emulator_that_is/eqq6lxt/ AlexAltea] on Reddit. "I've analyzed the Spine demo in IDA Pro (reverse engineering tool), and everything checks out. It's obviously a very early release, lots of unimplemented parts, but it's real. More importantly, we have tested it locally and it works."</ref>

:An open-source low-level emulator based on [[QEMU]], Orbital uses existing hypervisors like Intel HAXM to speed up performance. A surprising amount of progress has been made for an emulator of its kind, having to emulate the kernel used by the PS4; It's currently stuck at the console's Safe Mode<ref>https://www.youtube.com/watch?v=IBBHisNM74o</ref> and, thus, can't boot any games yet. ;GPCS4:A compatibility layer for the PlayStation 4. Currently, it can show the logos in Nier: Automata and ran its first commercial game called ''We are Doomed'' in February 2020. Appears to be only a side project to test 3D graphics and may or may not become anything serious. Reasons to follow this project are the growing pool of contributors; and that it works on Windows, unlike Spine. ;PS4Delta:A compatibility layer for the PlayStation 4. It's unable to boot any commercial games. Development has stopped and the project is currently archived on Github.

:RPCS4 is a A private project being worked on by one of the original developers of [[RPCS3]], DH. Work Little is being done in privateknown about the project at this time, so there but what we do know is little public information about that it. Accordingly 's expected to DH, it currently runs run on unixUnix-like OSlikes, and is able to run can boot PS4 games (without graphics) and display errors. <ref>[https://www.reddit.com/r/pcgaming/comments/cxx5h3/we_are_team_rpcs3_the_playstation_3_emulator_we/eyoqzes/DH] on Reddit. "If you have unix-like OS, I can send you binary and you will able to run any game for PS4 and see many different errors for each (without graphics of course)"</ref> The Github page GitHub repo hasn't been update updated since 2016, and it appears to only be there exist as a placeholder until an actual releasethe project is released. It is still being worked on although it is in early stages.<ref>[https://www.reddit.com/r/emulation/comments/ppffdy/rpcs4_ps4_emulation_preview_of_current_progress/ RPCS4 progress update] on Reddit. "DH, RPCS3's founder, has given permission to share this quick progress update of his PlayStation 4 emulator."</ref> ;Kyty:A compatibility layer for the PS4 and PS5 made by InoriRus, the creator of Short Waves. In the very early stages of development. Cannot run any commercial games yet. ==Overview=====Potential Roadblocks===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]. ===PCSX4 & Fake Emulators===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:

;PS4Delta:A compatibility layer for * The obstruction of the PlayStation 4download behind endless surveys. Emulator development nowadays gets its funding from [[Emulators on Patreon|Patreon]] or Google Play. * It's currently unable is actually fairly easy to boot any commercial games. For more information, visit fake a PS4 (and even [[PlayStation 5|PS5]]) emulator by taking the devs open source [https://discordgit.sr.gght/~thestr4ng3r/yVbPkmc Discord serverchiaki Chiaki]Remote Play client, which works by streaming games from a real PS4, and modifying the GUI to display fake hardware usage stats alongside the game. The server itself is not very active If its claims of running any PS4 game in 4K at 60FPS with little to no issues really were true, there would certainly be news articles about it, just like there were for [[Cemu]].* For any skeptic, the public because most talk use of OGRE as a marketing tool is being done in private between the smoking gun. OGRE is a video game engine, which developerswould 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.

;GPCS4==Arcade Variations==:Another compatibility layer for ===Dissidia Final Fantasy Arcade===Taito's Dissidia Final Fantasy Arcade is currently the PlayStation 4only arcade game that runs on PS4 based hardware. Currently it can show This game runs on a PS4 kiosk demo unit which the logos in Nier: Automata. Appears hardware is identical to regular retail PS4 and could be only a side project converted to regular retail mode. An extra I/O board is attached to test 3D graphics and may or may not become anything seriousthe PS4 via USB port.

===Potential Roadblocks=== Due to Despite the arcade game program itself could run on a regular PS4's x86 architecture and FreeBSD-based operating systemwithout any issue, emulators for the device will by and large be very unconventional. Despite the x86's instruction set being '''huge'''<ref>{{cite web | url= https:USB I//en.wikipedia.org/wiki/x86_instruction_listings | title= x86 instruction listings | Wikipedia}}</ref>, a trait that would typically lead O board is yet to years of development time by emulatorsbe reverse-engineered, it opens and judging from the ability for pre-existing hypervisors to do the heavy liftingcurrent status of PS4 emulation, eliminating the need emulation support for a recompiler. There this arcade game is also, as of writing this, little to no documentation very likely the last item on the GPU (a modified Radeon 7970M with disabled stream processors) used in the PS4's APU, and it will require a complete reto-implementation by emulator developersdo list. End-users may wish to preform a preliminary dump of the required files from their PS4 using the [https://phi.nz/orbital/tools/dumper/ Orbital Dumper]

[[Category:Sony consoles]][[Category:Eighth-generation_video_game_consoles]][[Category:PlayStation 4 emulators|*]]