INT 62 u - FGDRIVER v4.02 - "FG_VBCLOSE" - CLOSE ACTIVE VIRTUAL BUFFER
	AX = 00CEh
Desc:	close the active virtual buffer and direct further graphics to the
	  active video page
Note:	the FGDRIVER functions are rearranged with each major release, but
	  their parameters do not change (see #03474)
SeeAlso: AX=00CCh,AX=00D1h,AX=00D4h,AX=00D5h,AX=00D9h