INT 62 - FGDRIVER v4.02 - "FG_VBOPEN" - MAKE VIRTUAL BUFFER ACTIVE AX = 00D5h BX = virtual buffer handle Return: AX = status 0000h successful FFFEh no buffer defined for specified handle FFFFh invalid buffer handle Note: the FGDRIVER functions are rearranged with each major release, but their parameters do not change (see #03474) SeeAlso: AX=00CDh,AX=00CEh,AX=00D1h,AX=00D4h,AX=00D9h