OPTION

Enables and disables features of the assembler.

Syntax

OPTION option-list

Remarks

Available options include:

AVXENCODING
CASEMAP
DOTNAME
NODOTNAME
EMULATOR
NOEMULATOR
EPILOGUE
EXPR16

EXPR32
LANGUAGE
LJMP
NOLJMP
M510
NOM510
NOKEYWORD

NOSIGNEXTEND
OFFSET
OLDMACROS
NOOLDMACROS
OLDSTRUCTS
NOOLDSTRUCTS
PROC

PROLOGUE
READONLY
NOREADONLY
SCOPED
NOSCOPED
SEGMENT
SETIF2

The OPTION AVXENCODING directive is available in Visual Studio 2019 version 16.7 and later.

See also

Directives reference
MASM BNF Grammar