Continuing his reverse-engineering of the Intel 8087, [Ken Shirriff] covers the conditional tests that are implemented in the microcode of this floating point processing unit (FPU). This microcode ...

The CPU is a simple stack virtual machine with a specialized reduced instruction set. Execution algorithm: The VM fetches an opcode from system memory pointed by CS:IP. There is a table of instruction ...

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Intel is preparing to release a critical microcode update aimed at resolving an issue that has affected its 13th Gen processors since their launch. The update, expected by mid-August, comes after ...

Over on Hackaday.io, [Zoltan Pekic] has been busy building a stack of tools for assisting with verifying and debugging retro computing applications. He presents his take on using Intel hex files for ...

Intel stock jumps 8% as it ships first 18A Panther Lake Core Ultra Series 3 chips; rollout details, AI performance, and $50 ...

From CPUs that overheated to those with poor performance—plus some that nearly killed the companies that made them.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

AMD's answer is its Zen 5 Ryzen 9000 series. These chips debuted with a fizzle on the gaming front, but subsequent firmware and operating system updates have improved the overall performance ...