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IEEE Micro

Issue 1 • Date Feb. 1989

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Displaying Results 1 - 6 of 6
  • MicroLaw-protecting hardware against competition by copyrighting it as a compilation of data

    Publication Year: 1989, Page(s):2 - 5
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (484 KB)

    The author explains what copyright protection does not cover, stressing its limited applicability. He then discusses typefaces, which are not covered, and compilations (defined as an original selection or arrangement of preexisting materials or data), which are covered. He speculates on how the law on compilations could, in the context of reverse engineering, be used to confer copyright protection... View full abstract»

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  • Implementation studies for a VLSI Prolog coprocessor

    Publication Year: 1989, Page(s):10 - 23
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1524 KB)

    A 32-bit coprocessor designed as one VLSI (very large-scale integrated) circuit that is based on microprogrammed architecture is described. The most innovative aspect of this project is the fully dedicated microarchitecture of the execution unit. A detailed analysis was carried out by considering two execution techniques, 'interpreted' and 'compiled', and the computational model and its implementa... View full abstract»

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  • Distributed fault-tolerant real-time systems: the Mars approach

    Publication Year: 1989, Page(s):25 - 40
    Cited by:  Papers (270)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1548 KB)

    The authors describe the Maintainable Real-Time System, a fault-tolerant distributed system for process control, developed under the Mars project started in 1980 at the Technische Universitat Berlin. They explore the characteristics of distributed real-time systems and then present the Mars approach to real-time process control, its architectural design and implementation, and one of its applicati... View full abstract»

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  • EMMA2: a high-performance hierarchical multiprocessor

    Publication Year: 1989, Page(s):42 - 56
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1075 KB)

    The development of a parallel system providing high computational power at a reasonable cost using inexpensive processors is described. The original motivation for the work, which led to the EMMA (Elaborate Multi-Mini Associativo) multicomputer, was the mechanization of mail sorting. The need for a system that could be the basis for a wider range of applications spurred the study and development o... View full abstract»

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  • Effective VLSI processor architectures for HLL computers: the RISC approach

    Publication Year: 1989, Page(s):57 - 65
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (864 KB)

    The design principles of reduced-instruction-set computer (RISC) architectures as they apply to VLSI implementation for high-level languages (HLLs) are presented. The nature of general-purpose HLL computations is discussed in terms of static and dynamic program measurements, and the HLL features that need efficient support are identified. CISC (complex-instruction-set computer) and RISC approaches... View full abstract»

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  • Real-time implementation of the Newton-Euler equations of motion on the NEC mu PD77230 DSP

    Publication Year: 1989, Page(s):66 - 76
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (860 KB)

    A methodology for implementing the Newton-Euler (NE) equations of motion on the mu PD77230 signal processor is presented. The targeted application is the control of robot arms, with a dual emphasis on performance and flexibility. The controller interprets high-level control commands and performs required computations without host intervention. The design objective was a relatively inexpensive host... View full abstract»

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IBM T.J. Watson Research Center