Abstract
CISC. Conventional state-of-the-art computers in the 1960s and 1970s, exemplified by the IBM System/370, and the DEC PDP-11 minicomputer series and VAX-11/780 super minicomputer, were rack-based machines implemented with discrete logic and only rarely with microchips. A processor of such a machine used a complex instruction set, consisting of as many as 304 instructions, 16 addressing modes, and more than 10 different instruction lengths in the case of VAX.
What is “reduced” in a RISC? Practically everything: the number of instructions, addressing modes, and formats…
… The application area of RISCs is expected to widen in the future. Daniel Tabak Advanced Microprocessors (McGraw-Hill, 1995)
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© 1999 Springer-Verlag Berlin Heidelberg
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Šilc, J., Robič, B., Ungerer, T. (1999). Basic Pipelining and Simple RISC Processors. In: Processor Architecture. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-58589-0_1
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DOI: https://doi.org/10.1007/978-3-642-58589-0_1
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