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FNCLEX Clear Exceptions (No-wait) Exception Flags: None
FNCLEX
Logic: clears exception flags
FNCLEX is the no-wait form of FCLEX. It clears all the exception flags,
the busy flag, and bit 7 in the status word. (Bit 7 is the interrupt
request flag in the 8087 and the error status flag in the 80287 and
80387.)
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Operands Clocks Bytes Example
FNCLEX 2-8 3 FNCLEX
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Note: You should use this no-wait form of the instrcution
only when there is a danger of generating an infinite
wait condition.
See Also:
FCLEX
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