.NOMMX (Deselect MMX Processor Instruction Set Extensions)

Disables recognition of mnenomics for the MMX instruction set extensions.

Syntax

.NOMMX

Remarks

Does not affect recognition of instruction mnemonics for the currently selected primary processor; it only disables recognition of the MMX mnemonics.

The .NOMMX directive is not available in the M510, M600, or M611 emulation modes.

Example

; Top of file - no processor currently selected
.MMX          ; enables both MMX and 586 mnemonics
.NOMMX        ; 586 mnemonics still enabled
.686          ; 686 mnemonics now being recognized
.MMX          ; 686 and MMX mnemonics now being recognized
.NOMMX        ; 686 mnemonics still enabled

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