Int 2F Fn D600  U - Vedit Vswap - Installation Check                       [T]

   AX = D600h

Return: AL = D6h if installed
Program: VSWAP is the resident portion of VEDIT's "swapper" capability; VEDIT
     is a programmer's text editor by Greenview Data.

See Also: AX=D601h,AX=D602h