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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 ...

When homebrewing a CPU, one has to deal with microcode. Microcode is the low-level nuts and bolts of how, precisely, a CPU executes instructions (like opcodes) and performs functions such as updating ...

On January 8th Intel released new Linux Processor microcode data files that can be used to mitigate the Spectre and and Meltdown vulnerabilities in Intel CPUs. Using microcode files, an operating ...

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 ...

In context: Microcode is machine instruction sets that load from the BIOS. It acts much like firmware for the PC's processor. According to MSI Marketing Director Eric van Beurden, AMD will be ...