> In many ways, the tuple (BBC Micro, Acorn Computers, arm) is analogous to (IBM PC, Intel, x86).

There was a radical difference in the relationship between the two corporations in each tuple. In the BBC-Acorn relationship, Acorn designed and manufactured the computer; BBC just offered their brand, did marketing, and supplied some high-level requirements. In the IBM-Intel relationship, IBM designed and manufactured the computer, and Intel was the CPU vendor, with many other customers. The 6502s used in the pre-ARM BBC systems were from MOS Technology–or one of their licensees, such as GTE/CMD–so those companies were really the Intel equivalent here

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hnuser123456 3 days ago | parent [-]

GTE: General Telephone & Electronics

CMD: Commodore Micro-Devices

	▲	skissane 3 days ago \| parent \| next [-]
		CMD in this case being California Micro Devices, who bought GTE’s microprocessor business in the mid-to-late 1980s, and then was acquired by onsemi in 2009. The BBC Master used their CPUs There is another CMD, Creative Micro Designs, who sold aftermarket peripherals for Commodore 64/etc
	▲	classichasclass 3 days ago \| parent \| prev [-]
		Commodore manufactured chips either under the MOS Technology or Commodore Semiconductor Group (CSG) names.