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Video gamers know about cheat codes, but assembly language programmers are often in search of undocumented instructions. One way to find them is to map out all of a CPU’s opcodes and where there are ...

Something to look forward to: Intel's plan to address voltage-related crashes on desktop processors with a patch has some worried that performance and overclocking will take a hit. Past updates to ...

A dangerous potato: After researchers revealed the initial details of the Sinkclose security issue, AMD announced that a firmware update would be coming for some of its desktop, mobile, and server ...

The aptly-named [chip-red-pill] team is offering you a chance to go down the Intel rabbit hole. If you learned how to build CPUs back in the 1970s, you would learn that your instruction decoder would, ...

Gregory Tang and Rajat Bahl, AMD, Inc. Alex Wakefield and Padmaraj Ramachandran, Synopsys Inc. As microprocessor designs have grown considerably in complexity, the use of hand-written directed tests ...