Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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     Select an instruction for more information.
 
     Instruction     Description
 
     FINIT           Initialize coprocessor
     FCLEX           Clear exception flags
     FINCSTP         Increment stack pointer
     FDECSTP         Decrement stack pointer
     FFREE           Mark element as free
     FNOP            No operation
     FWAIT           Wait until floating-point instruction complete
     FDISI           Disable 8087 interrupts (8087 only)
     FENI            Enable 8087 interrupts (8087 only)
     FSETPM          Set protected mode (287+)
 
     See also: FLOAT Directive
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