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ARM610 die [1]

ARM6, (ARM610, ARM7)
a family of 32-bit RISC processors of the ARMv3 architecture released in early 1992 by Advanced RISC Machines Ltd, a company structured as a joint venture between Acorn Computers Ltd, Apple and VLSI Technology, which became ARM Ltd when its parent company, ARM Holdings, floated on the London Stock Exchange and NASDAQ in 1998 [2]. The ARM6 is instruction compatible to Acorn's ARM2, has a full 32-bit address bus, requiring an extra PSR register. The differences between ARM6 and the later ARM7 are that the latter has a hardware debug capability, the Thumb instruction set to support both 16-bit and 32-bit instruction formats and an enhanced multiplier [3].

Computer Chess

The ARM6 and successors were used in various dedicated chess computers, notably the RISC 2500, Mephisto Montreux, TASC R30 and TASC R40.

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