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{{Infobox_Software |
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| name = PCSX2 |
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| logo = [[Image:pcsx2 logo.png]] |
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| screenshot = [[Image:PCSX2.png|265px]] |
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| caption = Screenshot of PCSX2 |
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| developer = Linuzappz, Zerofrog, Refraction, Saqib, Cottonvibes, Jake.Stine |
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| latest_release_version = 0.9.6 ({{release date and age|2009|3|1}}) |
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| operating_system = [[Microsoft Windows]], [[Linux]] |
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| size = 39.1 [[Megabyte|MB]] ([[Data compression|compressed]] as a 2.84 MB [[7-Zip|.7z]] file) |
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| language = {{collapsible list|title=21 languages|[[English language|English]], [[Arabic language|Arabic]], [[Bulgarian language|Bulgarian]], [[Chinese language|Chinese]] ([[Simplified Chinese characters|simplified]] and [[Traditional Chinese characters|traditional]]), [[Czech language|Czech]], [[Dutch language|Dutch]], [[French language|French]], [[German language|German]], [[Greek language|Greek]], [[Hebrew language|Hebrew]], [[Italian language|Italian]], [[Japanese language|Japanese]], [[Persian language|Persian]], [[Polish language|Polish]], [[Portuguese language|Portuguese]], [[Romanian language|Romanian]], [[Russian language|Russian]], [[Spanish language|Spanish]], [[Swedish language|Swedish]], [[Turkish language|Turkish]]}} |
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| genre = [[PlayStation 2]] [[emulator]] |
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| license = [[GNU General Public License]] |
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| website = [http://www.pcsx2.net/ pcsx2.net] |
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}} |
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'''PCSX2''' is a [[PlayStation 2]] (PS2) [[emulator]] for the [[Microsoft Windows]] and [[Linux]] [[operating system]]s. With the most recent versions, many PS2 games are playable (although speed limitations have made play-to-completion tests for many games impractical), and several games are claimed to have full functionality.<ref>{{cite web |url=http://www.pcsx2.net/compat.php |title=Compatibility |publisher=PCSX2 }}</ref> The main bottleneck in PS2 emulation is emulating the [[Multi-core (computing)|multi-core]] PS2 on PC x86 architecture. Although each [[Central processing unit|CPU]] can be emulated well, getting the synchronization and timing between them to be accurate is very difficult. |
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PCSX2, like its predecessor project [[PCSX]], is based on a plugin architecture, separating several functions from the core emulator. These are the graphics, controls, CD/DVD drive, [[Universal Serial Bus|USB]], sound and [[FireWire]] (i. Link) ports. Different plugins may produce different results in both compatibility and performance. Additionally, PCSX2 requires a copy of the PS2 [[BIOS]] to operate, which is not offered for download by the developer, due to the copyright concerns and legal issues associated with it. |
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==Performance== |
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Speed prior to version 0.9 was between 2 and 15 [[Frame rate|frames per second]] depending on the game, PC hardware, and plugin configuration―with the PS2 [[BIOS]] itself being one of the fastest pieces of software to emulate. Since the release of version 0.9 in April 2006, performance has greatly increased. Most 2D games and menus can reach 60-120 frame/s when specific plugins are used, and with the latest version, in-game 3D performance on a relatively new desktop computer can reach speeds greater than the native PS2 frame rate of 60 frame/s ([[NTSC]]) and 50 frame/s ([[PAL]]). In version 0.9, PCSX2 also began supporting dual core CPUs, resulting in a very significant increase in frame rate on systems with dual core processors. As of 0.9.1 in summer 2006, dual-core CPUs ([[Athlon 64 X2]] and [[Intel Core 2|Core 2 Duo]] running at approximately 3.0 GHz) can run popular 3D games, such as [[Final Fantasy X]], at well over 60 frame/s (when combined with an adequate video card such as a highend [[Radeon]] X1000 series or [[GeForce]] 6+ series, or midrange [[Radeon]] HD2600xt or [[Geforce]] 8600 card). The developers and beta testers claim that Final Fantasy X is fully playable to completion. The PCSX2 team continues to remain actively involved in the development of PCSX2. |
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==Misconceptions regarding speed== |
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{{see also|megahertz myth}} |
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A common misconception regarding PCSX2 is that a processor with a relatively high clock speed, such as a [[Pentium 4]] or [[Athlon]] XP (the former with clock speeds as high as 3.8 GHz), should easily be able to emulate PS2 games at full speed. The PS2 has several processing units including a MIPS R5900 chip, MIPS R3000A chip, two custom vector units, and graphics chip ([[Graphics Synthesizer]]). With the exception of the MIPS R5900 (clocked at 294.912 MHz) and the MIPS R3000A (clocked at 36.864 MHz, selectable to 33.8688 MHz for [[PlayStation]] (1) emulation), all other chips run at the bus speed of 147 MHz. There are several reasons which make emulation of the PS2 on a PC extremely difficult. Architectural differences between an [[X86 architecture|x86]]-based PC and the PS2 are substantial; emulating multiple chips running in parallel on a single-core processor is quite complex. Taking advantage of dual core processors on PCs is even harder due to the tight synchronization between the PS2 chips. The development team provides a blog, explaining technical details of emulating the PS2.<ref name="blog">{{cite web |url=http://www.pcsx2.net/blog.php |title=Blog |publisher=PCSX2 }}</ref> |
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==Netplay== |
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Recently, Gigaherz (one of the PCSX2's developers), has been working on allowing the emulator to connect to the PS2 internet service, enabling certain games to be playable over the internet with other players, even if they are playing on a PS2 console. The two games which the PCSX2 team have confirmed to be working with the netplay function on version 0.9.4 are [[XIII (video game)|XIII]] and [[Monster Hunter]], but there may be more. |
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==System requirements== |
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===Minimum=== |
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* Windows/Linux OS |
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* CPU that supports [[SSE2]] (Pentium 3 and up, Athlon64 and up) |
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* GPU that supports [[Pixel Shader]] 1.0 or 2.0 |
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* 256 MB RAM |
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===Recommended=== |
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* [[Windows XP]] 32bit/64bit |
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* CPU: [[Intel Pentium 4]] @ 3.0ghz or better |
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* GPU: [[GeForce 8 series|GeForce 8600 GT]] or better |
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* 512MB RAM (7 GB if using Windows Vista) |
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==References== |
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{{reflist}} |
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==External links== |
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*[http://www.pcsx2.net Official website] |
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*[http://www.pcsx2.net/forums.php Official forum] |
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*[http://code.google.com/p/pcsx2/ PCSX2 project page] on [[Google Code]] |
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*[http://www.generalemu.net/pcsx2archive/ The Official PCSX2 Archive], a collection of PCSX2 releases and Plugins |
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*[http://www.generalemu.net General Emulation], an emulation site with regularly updated beta screenshots and news posts |
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*irc://irc.efnet.org/pcsx2, unofficial PCSX2 support channel on IRC. |
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[[Category:Linux emulation software]] |
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[[Category:PlayStation 2 emulators]] |
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[[Category:Windows emulation software]] |
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