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==Emulators==
<div style="overflow-x:auto;width:100%">{| class="wikitable" style="text-align: center;width:100%"
! scope="col"|Name
! scope="col"|Platform(s)
|{{~}}
|-
|[https://docs.libretro.com/library/pcsx_rearmed/ <abbr title="Only available as a libretro core.">PCSX-ReARMed</abbr>]<br/>''<small>[[PCSX-Reloaded|PCSX-R]]/[[PCSX-Reloaded|PGXP]] (Obsolete)</small>''
|align=left|{{Icon|Windows|Linux|macOS}}
|[https://buildbot.libretro.com/nightly/ PCSX-ReARMed]<br/>''<small>[http://ngemu.com/threads/pcsxr-pgxp.186369/ PGXP build ] (Obsolete)]<br />[http://www.emucr.com/2019/03/pcsx-reloaded-git-20190307.html PCSX-R SVN builds ] (Obsolete)]</small>''
|{{✗}}
|{{~}}
|{{✗}}
|{{✗}}
|[https://ares-emu.net/compatibility 5254%<br/><small>86 90 out of 164 165 reported titles</small>]
|{{✓}}
|{{✓}}
|{{~}}
|}
</div>
<references group=N />
==Enhancements==
''Side note: Please don't bump/spam GitHub threads/issues and feature request pages.''
<div style="overflow-x:auto;width:100%">{|class="wikitable" style="text-align:center; vertical-align:middle;width:100%"
|- style="font-weight:bold;"
! colspan=2 | Name
! XEBRA
! No$PSX
! Aresares
! PCSX-Redux
! PCSX-ReARMed
! [[Official_emulators#Sony|Official Sony emulators]]
|-
| rowspan=9 11 | Graphics
| [[Resolution|Resizable Internal Resolution]]
| {{✓}}
| {{N}}[https://youtu.be/bi-Wzl6BwRM?t=476 *]
|-
| True [[Wikipedia:Colour_banding|Color Debanding]]<br/><small>Applies modern [[Dithering|dithering ]] techniques (performed during rendering as opposed to a post-processing step) to further smooth out gradients '''when true color is enabled'''.<br/>You can use one of the existing deband post-processing shader for this, but this one works with internal rendering which makes it both faster and more precise. No loss of detail occurs, and no tweaking of thresholds is required.</small>
| {{Y}}[https://github.com/stenzek/duckstation/pull/3089#issue-2089318371 *]
| {{?}}
| {{?}}
|-
| Scaled [[Wikipedia:DitherDithering|Dithering]]<br/><small>Scales the dither pattern to the resolution scale of the emulated GPU. This makes the dither pattern much less obvious at higher resolutions.</small>
| {{Y}}
| {{?}}
| {{?}}
|-
| Ray-tracing<br/><small>([https://devblogs.microsoft.com/directx/announcing-microsoft-directx-raytracing/ DXR], [https://www.khronos.org/blog/ray-tracing-in-vulkan VRT] and [https://developer.apple.com/documentation/metal/metal_sample_code_library/accelerating_ray_tracing_using_metal MRT])</small>| colspan=9 | <small>Implementing ray-tracing in an emulator is unfortunately quite challenging and unlikely to be feasible in the near future.<br/>However you can try "[[Shaders_and_filters#Notable_ReShade_shaders|Screen-Space Ray Traced Global Illumination]]" shader using ReShade.[https://www.youtube.com/watch?v=tyOkw2efQPM][https://reshade.me/forum/general-discussion/5442-release-misc-emulators-with-depth-buffer-access]</small>|-| [https://github.com/NVIDIAGameWorks/rtx-remix/wiki RTX Remix]| colspan=9 | <small>Implementing RTX Remix technology in an emulator is unfortunately quite challenging and unlikely to be feasible in the near future.<br/>Besides, DuckStation already supports most of RTX Remix features such as texture replacement and post-processing effects etc.<br/>On top of that you can use ReShade for post-processing.</small>|-| rowspan=4 5 | Performance
| [[Overclocking#PlayStation|Overclock]]
| {{✓}}
| {{✗}}
|-
| Rendering latency reduction technologies<br/><small>([https://github.com/ishitatsuyuki/LatencyFleX LatencyFleX], [https://developer.nvidia.com/performance-rendering-tools/reflex Reflex] and [https://www.amd.com/en/products/software/adrenalin/radeon-software-anti-lag.html Anti-Lag'''+'''])| colspan=9 | <small>While most emulators offer frame pacing or framebuffer latency control options, implementing rendering latency reduction technologies isn't currently feasible. This is '''likely''' doesn't offer enough benefit to justify the development effort.</small>|-| rowspan=4 6 | Post-Processing
| [[Wikipedia:Category:Anti-aliasing_algorithms|Post-rendering AA]]<br/><small>(FXAA, TXAA and MLAA/SMAA)</small>
| {{Y}}<abbr title="Thanks to reshade .fx implementation it's possible to use post-rendering AA such as FXAA.">*</abbr>
| {{?}}
|-
| [[Wikipedia:Comparison_gallery_of_image_scaling_algorithms|Post-rendering scaling]]<br/><small>(Sharp bilinear, Lanczos and [[Wikipedia:GPUOpen#FidelityFX_Super_Resolution|FSR 1]])</small>
| {{Y}}
| {{Y}}[https://mednafen.github.io/documentation/#Global+Settings+Reference *]
| {{✓}}
| {{✗}}
|-
|[[Shaders_and_filters#AI-powered filters|AI-powered filter compatible]]<br/><small>([https://www.nvidia.com/en-us/geforce/news/gfecnt/nvidia-freestyle-ansel-enhancements-geforce-experience-article/ Freestyle])</small>
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
|-
| [[Shader_Presets|Shader Chain]]
| {{✗}}
| {{✗}}
| {{✗Y}}[https://github.com/ares-emulator/ares/pull/1397 *]
| {{✗}}
| {{Y}}
| {{Y}}
| {{✗}}
|-
|[[High_dynamic_range#Inverse_tone_mapping|Inverse tone mapping compatible]]
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
|-
| rowspan=5 | [https://tasvideos.org/Emulatorresources/Features TAS features]
| {{N}}
|-
| rowspan=8 9 | Quality of life
| Built-in [[Mods,_hacks_and_fan-translations#Built-in_graphics_mod_editor.2Fmanager_for_emulators|Graphics mod editor/manager]]
| {{✗}}
| {{?}}
| {{?}}
| {{?N}}[https://old.reddit.com/r/emulation/comments/1ay6fm1/ares_v136_released/krslaki/ *]
| {{?}}
| {{✓}}
|-
| Built-in [http://forum.arcadecontrols.com/index.php/topic,106405 Custom resolution/CRTSwitchRes]<br/><small>For using this on Windows OS you need [http://geedorah.com/eiusdemmodi/forum/viewtopic.php?pid=1009#p1009 CRT Emudriver].<br/>Another option is using EDID editor tool such as "Custom Resolution Utility".</small>
| colspan=8 | <small>Exclusive to [https://docs.libretro.com/guides/crtswitchres/ libretro cores] and [[GroovyMAME]] at the moment.<br/>Also there is a [https://github.com/psakhis/Groovy_MiSTer project] for achieving software emulators like libretro cores and GroovyMAME send the raw RGB data over a network to a core running on MiSTer, it basically turns the MiSTer into a GPU for the emulator allowing for easy setup and use with CRT TVs/Arcade monitors.</small>
| {{~}}<abbr title="PlayStation 2 via composite/RCA/AV or PlayStation 3 via component video out.">*</abbr>
|-
| {{?}}
|-
| [[Wikipedia:Variable_refresh_rate|Variable Refresh Rate compatible]]| {{Y}}[https://github.com/stenzek/duckstation/commit/a1d7d214cfb7491b8ba54081b5c40825055f4bc7 *]| {{~}}<ref group=N3 name=BeetleHW></ref>| {{?}}| {{?}}| {{?}}| {{?}}| {{Y}}| {{Y}}[https://docs.mamedev.org/usingmame/commonissues.html#gsync-freesync *]| {{N}}|-| [[Frontends#Graphical_User_Interfaces_.28GUIs.29| Big Picture Mode]]
| {{Y}}
| {{~}}<ref group=N3 name=BeetleHW></ref>
|-
| Free Look<br/><small>Free Look is a enhancement feature that allows manipulation of the in-game camera.</small>
| colspan=9 | <small>PlayStation has no did not have hardware support for a Z -bufferor floating-point operations. However, so no the system used various techniques to giving the appearance of depth info exists[https://www. So logically as soon as you would move the camera, you'd be looking at a flat planequora.<brcom/>The free camera has to be hacked in the game code directlyPlaystation-1-does-not-have-z-buffer-and-floating-points-yet-how-could-it-play-3D-games].<br/>You can use cheat menu for [https://www.youtube.com/watch?v=Nis-qVSSzEw certain games] to use Free Look.<ref>[https://old.reddit.com/r/RetroArch/comments/q4is0t/is_there_a_free_camera_cheat_for_n64_andor_ps1/ Reddit Thread: Is there a free camera cheat for N64 and/or PS1?]</ref>Also you can use dedicated tools like [https://github.com/FranklyGD/Spyro-Scope Spyro Scope].</small>
|-
| [[Virtual_reality#VR_game_room_simulations|EmuVR support]]
| {{✗}}
|}
</div>
<references group=N3/>
==Hardware features and peripherals==
''Side note: Please don't bump/spam GitHub threads/issues and feature request pages.''
<div style="overflow-x:auto;width:100%">{|class="wikitable" style="text-align:center; vertical-align:middle;width:100%"
|- style="font-weight:bold;"
! colspan=2 | Name
| {{N}}
|-
| rowspan=8 9 | Input
| ''Densha De Go!'' controller
| {{N}}
| ?
|-
| [[Wikipedia:GunCon#PS_games|<abbr title="Namco's light gun; NPC-103.">GunCon</abbr>]][https://en.wikipedia.org/wiki/List_of_light-gun_games#PlayStation]
| {{Y}}[https://github.com/stenzek/duckstation/blob/master/src/core/guncon.cpp *]
| {{Y}}[https://mednafen.github.io/documentation/psx.html#Settings+Reference *]
| ?
| ?
|-
| [[Wikipedia:Konami_Justifier#PlayStation|Konami Justifier]][https://en.wikipedia.org/wiki/List_of_light-gun_games#PlayStation]
| {{Y}}<ref group=N2>You can use nixxou's [https://github.com/nixxou/duckstation?tab=readme-ov-file#duckstation---lightgun-edition DuckStation LightGun Edition] fork.</ref>
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
| {{?}}
|-
| [[Wikipedia:PlayStation_Multitap#Supported_games|Multitap]]
| ?
|}
</div>
<references group=N2/>
===CD player===
PlayStation CD player supports Audio CD and PlayStation format CD-ROM. However there is only one PlayStation model can play VCDs, and that is the PlayStation SCPH-5903, released in Asia only[https://www.psxdev.net/forum/viewtopic.php?t=703 only one PlayStation model can play VCDs], and that is the PlayStation SCPH[https://youtu.be/y1vo3-5903, released in Asia onlyuEBRM]. They're hard to find and expensive. Also there is a third-party peripheral called Gamars Movie Card (similar to Dreammovie for Sega Dreamcast) gives you the ability to play Video CDs (VCD) through your PlayStation and it is compatible with all types of PlayStations (PAL and NTSC), this third-party peripheral is very user friendly as it works by just attaching the unit to the back of the PlayStation.
*Duckstation has Audio CD and CD-ROM support so you can boot your game directly from your physical discs, latest versions has issues though, it hangs while try to boot then crash. There are but there is no VCD support at the moment.*PlayStation 2 and PlayStation 3 (backwards compatibility) have support for Audio CD and PlayStation format CD-ROM discs but no support for Video CD/VCDs.
::See [[Home_Media_Player#Emulators|this dedicated page]] for more information about home media playback support for emulation softwares.
::See [[Ripping_games]].
==[https://www.system16.com/base.php#1 Arcade variations]==
Polygons may jitter as a result of low-precision, fixed-point (to the native resolution) math, but this is mostly unnoticeable at native resolutions. Emulators that can increase the internal resolution of games have attempted to fix this.
There is no [[wikipedia:Z-buffering|z-buffer]] in the hardware. This can cause things like polygons to pop over others; the limbs of [https://en.wikipedia.org/wiki/Tekken_(video_game) Tekken] characters are a good example of this. It is theoretically possible to implement this, but it wouldn't be accurate to the hardware.<ref name="forum.emu-russia">{{cite web|url=https://translate.google.com/translate?sl=ru&tl=en&u=http://forum.emu-russia.net/viewtopic.php?p=17237|title=Plugin info, news. / Information about the plugin, news. (gpuBladeSoft discussion) |publisher=forum.emu-russia|accessdate=2018-04-03|date=2011-09-16}}</ref><ref>[https://www.quora.com/Playstation-1-does-not-have-z-buffer-and-floating-points-yet-how-could-it-play-3D-games Playstation 1 does not have z-buffer and floating points, yet how could it play 3D games?]</ref>
When perspective correction isn't applied to textures, certain viewing angles can make them distorted, more so when an object is near the edge of the camera up close. [https://en.wikipedia.org/wiki/Tenchu:_Stealth_Assassins ''Tenchu: Stealth Assassins''] is particularly infamous for texture distortion, most noticeably in the [https://www.youtube.com/watch?v=5oBeO-cui_c training level] where floor textures appear wavy at oblique angles; developers usually mitigate this by adding polygons to walls, floors and other scenery, but at the cost of filling the PlayStation's geometry rate. In DuckStation, at least, this problem has been solved.
* MVG: [https://www.youtube.com/watch?v=x8TO-nrUtSI Why PlayStation 1 Graphics Warped and Wobbled so much], [https://www.youtube.com/watch?v=7HOBQ7HifLE How the Sony PlayStation PS1 Security was defeated], [https://www.youtube.com/watch?v=bi-Wzl6BwRM Why did the PlayStation 1 have so much Dithering?], [https://www.youtube.com/watch?v=rtE5hmlrcBo How the Sony PlayStation Net Yaroze DevKit brought Indie Game Development to Consoles]
* [https://www.copetti.org/writings/consoles/playstation/ Rodrigo Copetti: PlayStation Architecture analysis]
* [https://youtu.be/XUwSOfQ1D3c Technology Connections: Sony's Clever but Flawed PlayStation Copy Protection--And How They Might Have Fixed It]
* [https://psdevwiki.com/ps1/ PSDevWiki: PlayStation 1]
* [https://ps1.consoledev.net/reverse_engineering/ consoledev: PlayStation 1]
* [https://problemkaputt.de/psxspx-contents.htm no$psx: Playstation Specifications]
* [https://discord.com/channels/976404869386747954/976414353161080832 ares discord channel ps1 group]
* DuckStation discord channel (invites are disabled at the moment)
==See also==
[[Category:Sony consoles]]
[[Category:PlayStation emulators|*]]
[[Category:Very early emulation (MAME)Driver Status: Preliminary]]
