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{{Infobox emulator|logo = bochs.png|logowidth = 120|version = {{Version|Bochs }}|active = Yes|platform = [[Emulators on Windows|Windows]]<br/>[[Emulators on Linux|Linux]]<br/>BSD<br/>OS/2<br/>BeOS<br/>MorphOS<br/>[[Amiga emulators|AmigaOS]]<br/>[[Emulators on Android|Android]]<br/>[[Emulators on PS2|PS2]]<br/>[[Emulators on PSP|PSP]]|target = [[POS_(Pong_Consoles)_CPUs_and_Other_Chips#x86_CPUs|x86 CPUs]], [[FM Towns emulators|FM Towns]]|developer = Kevin Lawton|prog-lang = C++|website = http://bochs.sourceforge.net|license = GNU LGPLv2|source = [https://sourceforge.net/projects/bochs/files/bochs SourceForge]}} '''[[wikipedia:Bochs|Bochs]]''' is another similar a free and open-source [[POS_(Pong_Consoles)_CPUs_and_Other_Chips#x86_CPUs|x86 CPU]] emulator written in C++ geared around emulating the full [[wikipedia:x86 |x86]] architecture. In It's designed to emulate every x86 instruction and device, prioritizing accuracy at the cost of speed. Its high accuracy, built-in debugger, support of recent x86-64 systems, and extensibility via plugins make it very useful for developing and testing operating systems and other low-level PC software. ==Download=={| cellpadding="4"|-|align=center|{{Icon|Win|Lin}}|'''[httphttps://sourceforge.net/projects/bochs/files/bochs/ Latest releases]'''|-|align=center|{{Icon|APK}}|'''[https://play.google.com/store/apps/details?id=net.sourceforge.netbochs&hl=en_US&gl=US Play Store][https://github.com/lubomyr/bochs GitHub]'''<br/><small> (Android port)</small>|-|colspan="2"|<hr/>|-|align=center|{{Icon|PS2}}|[https://web.archive.org/web/20190719064333/http://ps2dev.karashome.tk 2.3.5]|-|align=center|{{Icon|PSP}}|[https:/doc/docbookarchive.org/userdetails/faqbochs-freedos.html#AEN291 their own FAQs section7z 1.0]|} ==Overview==Compared to [[QEMU]], they explain that "because Bochs emulates every focuses on portability and simplicity. Only x86 systems may be emulated. CPU emulation is performed through a generic interpreter, meaning it has been ported to non-x86 instruction hosts. However, the results are very slow, and no virtualization technology is supported. Unlike [[PCem]] which relies on BIOS ROMs to emulate actual machines, Bochs chose to create its own open-source BIOS to simulate a generic PC. Bochs also ships with the open-source SeaBIOS that is used in QEMU. Users may use their own BIOS images from actual machines, although the results are mixed and all this is not officially supported. Bochs cannot correctly emulate the devices speed or timing of older CPUs. The oldest CPU supported in the default builds is a Pentium (although as old as a 386 is supported by compiling with a PC system, custom ''enable-cpu-level''it does not reach high flag), and selecting the oldest CPUs runs the same core as newer CPUs, just with the newer instructions disabled. If one is interested in operating system development, this emulator is king. However, due to the slow speed, awkward user interface, and lack of gaming-centered features, you are better off using [[DOSBox]] for playing games, or a fork of [[PCem]] if full system emulation is needed. Bochs has very rudimentary support for emulation speeds''of the FM Towns architecture via a fork, but development was abandoned long time ago so this can be used as an "FM Towns emulator" only for curiosity's sake. There are significantly better [[FM Towns emulators]] nowadays. ==External links==*[https://bochs.sourceforge.io/cgi-bin/topper.pl?name=New+Bochs+Documentation&url=https://bochs.sourceforge.io/doc/docbook/ Official Documentation]*[https://wiki.osdev."org/Bochs OSDev Wiki Article] (Information on troubleshooting, known inaccuracies, and debugging) [[Category:Emulators]][[Category:Computer emulators]][[Category:Windows emulation software]][[Category:Linux emulation software]][[Category:Android emulation software]]