Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
Floating-Point Code Generation
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  Syntax:   OPTION EMULATOR
            OPTION NOEMULATOR
 
  See also: /FPi
 
  Description:
 
     Controls how floating-point instructions are generated. NOEMULATOR,
     the default, generates the coprocessor instructions directly.
     EMULATOR generates instructions as well as special fixup records
     for the linker so that the floating-point emulator can be used. This
     option is definable only once per source file.
 
     To use this option, you must link your assembly-language module with
     an emulator library from a Microsoft high-level language.
 
     OPTION EMULATOR is equivalent to the /FPi command-line option.
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