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Mac 68k emulator
The Mac 68k emulator〔http://support.apple.com/kb/TA25871〕 was a software emulator built into all versions of the Mac OS for PowerPC. This emulator permitted the running of applications and system code that were originally written for the 680x0 based Macintosh models. The emulator was completely seamless for users, and reasonably seamless for programmers. It is thought that this aspect of the Mac OS is the first time that such a dual hardware architecture operating system had ever been successfully implemented.
==Origins==
The first version was written by Gary Davidian, who had originally created it for use on the Motorola 88000 CPU, used in Apple's abortive first attempt at a RISC target platform.〔(【引用サイトリンク】title=The PowerPC Triumph )〕〔(【引用サイトリンク】title=Power Computing: Fighting Back for the Mac or Stealing Apple's Customers? )〕 A later version, using dynamic recompilation, was developed by Eric Traut, who later worked on successful emulation projects at Connectix such as Virtual Game Station and Virtual PC. Prior to Traut's arrival there, Connectix had released Speed Doubler, which included an even faster PowerPC 68k emulator.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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