National Semiconductor Corp was a bit disingenuous in its denial that it was working on a RISC compatible with its NS32000 family: Electronics magazine has got wind of specs of a forthcoming part called the NS32764. Described as a complex reduced instruction set processor – CRISP if you must – it is complex enough to emulate the NS32000 set, reduced enough to execute all instructions in 1.5 to 2 cycles – versus 1.25 to 2 cycles for a full-blown RISC. Late-1989 is the date.
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