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bare metal 1. New computer hardware, unadorned with such snares and delusions as an operating system, an HLL, or even assembler. Commonly used in the phrase "programming on the bare metal", which refers to the arduous work of bit bashing needed to create these basic tools for a new computer. Real bare-metal programming involves things like building {boot PROMs} and BIOS chips, implementing basic monitors used to test device drivers, and writing the assemblers that will be used to write the compiler back ends that will give the new computer a real development environment. 2. "Programming on the bare metal" is also used to describe a style of {hand-hacking} that relies on bit-level peculiarities of a particular hardware design, especially tricks for speed and space optimisation that rely on crocks such as overlapping instructions (or, as in the famous case described in {The Story of Mel}, interleaving of opcodes on a magnetic drum to minimise fetch delays due to the
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