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2026-01-23 17:31:57 UTC

Ken Shirriff on Nostr: The arithmetic/logic unit (ALU) in the Intel 8086 processor (1978) is more ...

The arithmetic/logic unit (ALU) in the Intel 8086 processor (1978) is more complicated than you might expect, performing 28 different operations from addition and logical AND to shifts and BCD adjustment. A special control circuit reconfigures the ALU for each operation. Let's look closer...