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Jul 25, 2014  Download Mini vMac for free. A miniature early Macintosh emulator. Mini vMac emulates a Macintosh Plus, one of the earliest of Macintosh computers. It can run old Macintosh software that otherwise couldn't be used on recent machines. Snow Leopard (OS X 10.6) is also the first Mac OS release since the introduction of System 7.1.2 that does not support the PowerPC architecture, as Apple now intends to focus on its current line of Intel-based products. Thus OS X supported PowerPC up to and including version 10.5 (Leopard). Classic Mac OS (System Software) refers to the series of operating systems developed for the Macintosh family of personal computers by Apple Inc. From 1984 to 2001, starting with System 1 and ending with Mac OS 9.The Macintosh operating system is credited with having popularized the graphical user interface concept. It was included with every Macintosh that was sold during the era in which it. Nov 02, 2004  There it was on the net, something called PearPC, which is a G3 emulator for Windows and Linux environments. Of course, a PPC running on a Windows machine just screamed out for me to try and get it to run Mac OS-X. A quick view of the about page for PearPC at Sourceforge says Mac OS-X 10.3 runs well with some caveats. Cool, how difficult could this be?

Powerpc Simulator

Rosetta is a dynamic binary translator developed by Apple Inc. for macOS.

Apple released the first version of Rosetta in 2006 when it changed the instruction set architecture of the Macintosh platform from the PowerPC to the Intel processor. It was initially included with Mac OS X v10.4.4 'Tiger', the version that was released with the first Intel-based Macs, and allowed many PowerPC applications to run on certain Intel-based Mac computers without modification. The name 'Rosetta' is a reference to the Rosetta Stone, the discovery that made it possible to comprehend and translate Egyptian hieroglyphs.^[1] Rosetta is based on QuickTransit technology.^[2] It has no graphical user interface, which led Apple to describe Rosetta as 'the most amazing software you'll never see.'^[3]

Rosetta is not installed by default in Mac OS X v10.6 'Snow Leopard', but can be retained as an option via the installer or Apple Software Update for users who need to run PowerPC applications.^[4] Rosetta is neither included nor supported in Mac OS X v10.7 'Lion' or later. Therefore, with Lion and later releases, the Intel Macintosh platform does not support PowerPC applications.^[4]

Rosetta 2 is included as of macOS Big Sur to aid in Apple's transition to ARM processors from Intel processors.^[5]

Rosetta[edit]

Rosetta is part of Mac OS X for Intel operating systems prior to Lion. It translates G3, G4, and AltiVec instructions; however, it does not translate G5 instructions. Therefore, applications that rely on G5-specific instruction sets must be modified by their developers to work on Rosetta-supported Intel-based Macs. According to Apple, applications with heavy user interaction but low computational needs (such as word processors) are well suited to translation via Rosetta, while applications with high computational needs (such as AutoCAD, games, or Adobe Photoshop) are not.^[6]Pre-existing PowerPC versions of Apple 'Pro' media-production applications (such as Final Cut Pro, Motion, Aperture, and Logic Pro) are not supported by Rosetta and require a 'crossgrade'^[7] to a universal binary version to work on Rosetta-supported Intel-based Macs.

Rosetta does not support the following:^[8]

• The Classic environment, and thus any non-Carbon application built for Mac OS 9 or earlier
• Code that inserts preferences into the System Preferences pane
• Applications that require a G5 processor
• Applications that require precise exception handling
• Screen savers
• Kernel extensions and applications that depend on them
• Bundled Java applications or Java applications with JNI libraries that cannot be translated
• Java applets in Rosetta-translated applications, meaning that a native Intel web browser application, rather than a legacy PowerPC version, must be used to load Java applets

The reason for Rosetta's reduced compatibility compared to Apple's earlier 68k emulator for PPCs lies within its implementation. Rosetta is a user-level program and can only intercept and emulate user-level code. By contrast, the 68k emulator accesses the very lowest levels of the OS by being at the same level as, and tightly connected to, the Mac OS nanokernel on PPC Macs, which means that the nanokernel is able to intercept PowerPC interrupts, translate them to 68k interrupts (then doing a mixed mode switch, if necessary), and then execute 68k code to handle the interrupts. This allows lines of 68k and PPC code to be interspersed within the same fat binary.

Rosetta 2[edit]

Rosetta 2 is included as of macOS Big Sur to aid in Apple's transition to ARM processors from Intel processors.^[5][9] In addition to the just-in-time (JIT) translation support available in Rosetta, Rosetta 2 includes support for translating an application at installation time, effectively creating a Universal 2 application.

Powerpc Emulator For Windows

See also[edit]

• Classic Environment – software that allows Mac OS X based operating systems to run Mac OS 9 applications
• Mac 68k emulator – lower level program used for a similar purpose during 680x0 to PowerPC transition
• Universal binary – combined PPC/Intel applications that run natively on both processors
• Fat binary § Apple's fat binary – combined PPC/68k application that ran on older Macintoshes

References[edit]

1. ^Core Duo iMacs debut speedy new chipsArchived March 3, 2012, at the Wayback Machine
2. ^'The brains behind Apple's Rosetta: Transitive'. CNET News.com. June 8, 2005. Archived from the original on July 14, 2014. Retrieved July 4, 2007.
3. ^'Rosetta'. Apple. Archived from the original on November 16, 2010. Retrieved September 5, 2011.
4. ^ ^abAppleInsider Staff (February 26, 2011). 'Mac OS X Lion drops Front Row, Java runtime, Rosetta'. AppleInsider. AppleInsider, Inc. Archived from the original on April 29, 2014. Retrieved February 27, 2011.
5. ^ ^abWarren, Tom (June 22, 2020). 'Apple is switching Macs to its own processors starting later this year'. The Verge. Retrieved June 22, 2020.
6. ^'Rosetta'(PDF). Universal Binary Programming Guidelines, Second Edition. Apple. Archived from the original(PDF) on August 3, 2012. Retrieved September 5, 2011.
7. ^'Universal Applications'. Apple. Archived from the original on March 3, 2016. Retrieved August 5, 2019.
8. ^'What Can Be Translated?'(PDF). Universal Binary Programming Guidelines, Second Edition. Apple. Archived from the original(PDF) on August 3, 2012. Retrieved September 5, 2011.
9. ^Mayo, Benjamin (June 22, 2020). 'Apple announces Mac architecture transition from Intel to its own ARM chips, offers emulation path'. 9to5Mac. Retrieved June 23, 2020.

External links[edit]

• Apple Rosetta Web site at the Wayback Machine (archived January 7, 2011)
• Transitive Corporation web site at the Wayback Machine (archived September 14, 2008)

Listed on this page are Macintosh emulators: some of them emulate a 68k Macintosh (such as what you get inthe Macintosh Quadra, Performa, Classic, etc), others emulate a PowerPC Macintosh. Note that if you are usinga 68k Mac emulator and wish to run Mac OS (such as System 7.5.5, etc), you will need to havea real Mac around somewhere since such systems require you to have a Mac ROM. (the various emulators usually provide you with instructionson how you can make a copy of the ROM from your real Mac).

At present, I know of no software emulator that can emulate an Intel x86 Macintosh or to run OS X in a virtual machine on a PC.

Note: if you are looking for an emulator or virtual machine that runs on a Mac and allows you to emulate a PC, running operating systems like Windows,you should try the Free x86 PC Emulators and Virtual Machines page instead.If you prefer the features, speed and completeness of support of a commercial software, try looking atParallels Desktop for MacandVMWare Fusion

Skip directly to[ Power PC Mac Emulators ] [ 68k Mac Emulators ]

Related Pages

• Free x86 PC Emulators and Virtual Machines - emulate a PC to run multiple OSes

Free PowerPC (PPC) Mac Emulators

QEMU supports the emulation of x86 processors, ARM, SPARC and PowerPC. Host CPUs (processors that can run the QEMUemulator) include x86, PowerPC, Alpha, Sparc32, ARM, S390, Sparc64, ia64, and m68k (some of these are still indevelopment). When emulating a PC (x86), supported guest operating systems include MSDOS, FreeDOS, Windows 3.11,Windows 98SE, Windows 2000, Linux, SkyOS, ReactOS, NetBSD, Minix, etc. When emulating a PowerPC, currently tested guest OSesinclude Debian Linux.

SoftPear is a compatibility layer that allows you to run Mac OS X on PC (x86) hardware. It works by dynamicallyrecompiling Mac programs (including Mac OS X) into x86 binary code that runs on your PC, and adding a layer thattranslates things like endianness.

This is essential a virtual machine that allows you to run Mac OS as well as Mac OS X on top of a Linux host system that runs on a PowerPC computer.Supported host CPUs include the PowerPC 603, 604, G3 and G4. It also allows the use of AltiVec in the Guest OS if the CPU supports it. At the timethis was written, only PCI devices (hard disks, USB drives, CDROM and DVD drives, etc) that do not use DMA are natively supported.

SheepShaver allows you to run classic MacOS applications on BeOS and Linux. It includes a PowerPC emulator which isused if you are using a non-PPC system. It supports MacOS 7.5.2 to 8.6 as the guest operating system, a colour display,internet and LAN networking via Ethernet, serial drivers, SCSI Manager emulation, file exchange with the host OS,access to floppy disks, CD-ROMs, HFS(+) partitions on hard disks, sound, etc.

PearPC emulates a PPC (PowerPC) Macintosh, allowing you to run Darwin PPC, Mac OS X and Linux in the emulated machine.Supported hosts include Windows and Linux (and possibly other Unix-type systems).

Emagic, well known for introducing Logic (as C-Lab Software) would be bought out by Apple Inc. In 2002, at the same time Sound Diver would become Mac exclusive. Support and development for all Emagic products subsequently ended by 2005. Emagic sounddiver for os x download.

Free 680x0 (68K) Macintosh Emulators

The Advanced Mac Substitute is able to run 68K Mac applications without an Apple ROM or MacOS. It does this byreimplementing the API (that is, the programming interface) of the classic MacOS. The emulator runs onMac OS X and Linux. The program is released as source code, so you will actually compile it intobinary (ie, executable) form before you can run it.

PCE/macplus is an open source emulator for theMacintosh 128K, Macintosh 512k, Macintosh 512ke, Macintosh Plus, Macintosh SE and Macintosh Classic.It emulates the MC68000 microprocessor with RAM configurations from 128 KB to 4 MB. Precompiledversions of the emulator, including the ROM image and operating system software, that runs on Windows,are available. The C source code is released under the GNU General Public License. This is the Mac emulatorcurrently used by the Internet Archive for theirMacOS System 7.1 Compilation.

Mini vMac is an emulator for the Macintosh Plus and Macintosh SE. There are versions for Windows,Mac OS X, Mac OS 9 (PowerPC), Linux (x86), Pocket PC, and Macintosh 680x0. The source code is releasedunder the GNU GPL.

Basilisk II/JIT is an adaptation of the original Basilisk II Macintosh emulator (see elsewhere onthis page) to includea just-in-time (JIT) compiler (presumably speeding up the emulated machine). Host platforms include Linux/i386,FreeBSD/i386 and Windows. Guest OSes include the 68k Mac OS. Basilisk II/JIT is open source.

The Basilisk II Mac emulator allows you to emulate a 68k Macintosh on a variety of platforms, including BeOS (PowerPCand x86), Unix with X11 (including Linux, Solaris 2.5, FreeBSD and IRIX), AmigaOS 3.x, and Windows. The emulator isable to emulate a Mac Classic or Mac II depending on the Mac ROM you use (not included). Your emulated Mac has a colourdisplay, CD quality sound output, floppy disk drive, HFS partitions and files, CDROM drive, etc. You can easily movefiles between your host system and the emulated machine. Basilisk II is open source.

SoftMac is a 68k Macintosh emulator that runs under Windows. Fusion PC emulates a 68k Mac on MSDOS systems. Note thatin spite of what the website and software claims, I have never been able to get sound working on SoftMac (nor have,apparently, anyone else I know). You will need a Mac ROM for the emulator to work.

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