An emulator is hardware or software that allows one computer system (called the "host") to behave like another computer system (called the "guest"). Apple Computer (now Apple Inc.) has relied on emulators through many hardware and software transitions during its history.^[1]

Emulators from Apple

Software

• Mac 68k emulator, used during the 68k to PowerPC processor transition.
• Classic environment, used during the classic Mac OS to Mac OS X transition.
• Rosetta, used during the PowerPC to Intel processor transition
• Rosetta 2, used during the Intel to Apple processor transition

Hardware

• Apple IIe Card
• DOS Compatibility Card
• PC Compatibility Card

3rd-party emulators

• Advanced Mac Substitute
• Android Emulator
• Basilisk II
• Connectix Virtual Game Station
• Mini vMac
• PearPC
• QEMU
• SheepShaver
• Speed Doubler
• Virtual PC

References

See also

• Hypervisor, a manager of virtual machines often used with emulation.
• Parallels, developer of virtualization software for macOS.

External links

• Card manuals at Apple (archived 2009-12-28)
• Basilisk and SheepShaver tutorial at Redundant Robot
• Emulator and Compatibility card at Wikipedia

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