INT 62 u - FGDRIVER v4.02 - "FG_VBCUT" - COPY RECT FROM VIDEO TO VIRTUAL BUFFER
	AX = 00D0h
	BX = source region's left edge
	CX = source region's right edge
	DX = source region's top edge
	SI = source region's bottom edge
	DI = X coordinate of destination's upper left corner
	ES = Y coordinate of destination's upper left corner
Desc:	copy a rectangle from the active video page to the active virtual
	  buffer
Note:	the FGDRIVER functions are rearranged with each major release, but
	  their parameters do not change (see #03474)
SeeAlso: AX=00CDh,AX=00CFh,AX=00D4h,AX=00D6h