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FENI Enable Interrupts Exception Flags: None
FADD [[destination,] source]
Logic: Interrupt Enable Mask . 0
FENI allows the 8087 only to generate interrupt requests by clearing the
Interrupt Enable Mask in the control word. This instruction is recognized
but ignored on later coprocessors.
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Operands Clocks Bytes Example
FENI 2-8 3 FENI
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Note: The opposite instruction is FDISI, and the no-wait
version of FENI in FNENI.