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SPIM is a MIPS processor simulator, designed to run assembly language code for this architecture. The program simulates R2000 and R3000 processors, and was written by James R. Larus while a professor at the University of Wisconsin-Madison.〔http://pages.cs.wisc.edu/~larus/spim.html〕 The MIPS machine language is often taught in college-level assembly courses, especially those using the textbook ''Computer Organization and Design: The Hardware/Software Interface'' by David A. Patterson and John L. Hennessy (ISBN 1-55860-428-6). The name of the simulator is a reversal of the letters "MIPS". SPIM simulators are available for Windows (PCSpim), Mac OS X and Unix/Linux-based (xspim) operating systems. As of release 8.0 in January 2010, the simulator is licensed under the standard BSD license. In January, 2011, a major release version 9.0 features QtSpim that has a new user interface built on the cross-platform Qt UI framework and runs on Windows, GNU/Linux, and Mac OS X. From this version, the project has also been moved to SourceForge for better maintenance. Precompiled versions of QtSpim for Linux (32-bit), Windows, and Mac OS X, as well as PCSpim for Windows are provided. == The SPIM operating system == The SPIM simulator comes with a rudimentary operating system, which allows the programmer usage of common used functions in a comfortable way. Such functions are invoked by the syscall-instruction. Then the OS acts depending on the values of specific registers. The SPIM OS expects a label named main as a handover point from the OS-preamble. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「SPIM」の詳細全文を読む スポンサード リンク
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