Format of FaxBIOS GRAPH_CREATE_PAGE command buffer:
Offset	Size	Description	)
 00h 12 BYTEs	common data (see #02935)
 0Ch	WORD	graph handle
 0Eh	WORD	resolution
 10h	WORD	page width
 12h  6 BYTEs	future expansion
 18h	WORD	structure size
SeeAlso: #02949,#02950,#02952