Compatibility: Win 3.x

Expects: AX    1600H

Returns: AX    if Enhanced-Mode Windows is not running, AL=00H or AL=80H.

if Enh386 Win 3.x+ is installed: AL = major version number

AH = minor version number

if Win/386 2.x is installed AL=01H or ffH

Info: You may use this service to see if you are running is a DOS

session under Enhanced-Mode Windows.

See Also: INT 2fH 16xxH: Enh386 Windows Services & Notifications

INT 2fH: Multiplex Interrupt

DOS Functions

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