Int 2F Fn E300  - Anarkey.com - Installation Check                         [K]

   AX = E300h

Return: AL = 00h not installed
        FEh if installed but suspended (v3.0+)
        FFh installed
Program: ANARKEY.COM is a commandline recall program by Steven Calwas

Note:  E3h is the default function number, but can be set to any value from
     C0h to FFh

See Also: AX=E100h,AX=E301h,AX=E302h,AX=E303h,AX=E304h,AX=E305h,AX=E306h

See Also: AX=E307h,INT 66"Newkey"