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Flag
(Redirected from Condition code bit)

Not to be confused with flag value and flag register.


A flag or an indicator bit (also known as a condition code bit) is a hardware signal that indicates a specific condition or state has been met by a certain component. Flags are often used by subsequent components to determine the course of action that must be taken. Some processors have a dedicated storage space for such flags called a flag register. While a microprocessor might have many internal flags, they are not always made accessible to the software running.

Application[edit]

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Common flags[edit]

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Access to flags[edit]

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