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Altering Instruction Execution Without Altering Hardware Or Microcode Disclosure Number: IPCOM000068090D
Original Publication Date: 1979-Nov-01
Included in the Prior Art Database: 2005-Feb-20

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Related People

Nohilly, WJ Shasha, DE [+details]


It is sometimes desirable to change the effect of an instruction on the state of the machine without changing hardware. One motivation is that the meaning of an instruction might change after the hardware has been built or the meaning of the instruction might depend on the installation.