Format of FGDRIVER copy record:
Offset	Size	Description	)
 00h	WORD	left edge column of source region
 02h	WORD	right edge column of source region
 04h	WORD	top edge row of source region
 06h	WORD	bottom edge row of source region
 08h	WORD	left edge of destination
 0Ah	WORD	bottom edge of destination