Int 62 Fn 002C  u - Fgdriver V4.02 - "fg_findpage" - Find Available Virtu  [V]

   AX = 002Ch

Return: AX = first available page number (virtual or logical page)

Note:  the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145 at AX=0000h)

See Also: AX=0028h