bn:03119469n
Noun Concept
Categories: Articles with multiple maintenance issues, Machine code, Articles with short description
EN
illegal opcode  BIOS Operation  Bop  Bop down  Extra opcode
EN
An illegal opcode, also called an unimplemented operation, unintended opcode or undocumented instruction, is an instruction to a CPU that is not mentioned in any official documentation released by the CPU's designer or manufacturer, which nevertheless has an effect. Wikipedia
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EN
An illegal opcode, also called an unimplemented operation, unintended opcode or undocumented instruction, is an instruction to a CPU that is not mentioned in any official documentation released by the CPU's designer or manufacturer, which nevertheless has an effect. Wikipedia
undocumented CPU instruction that has an effect Wikidata