Format of Wang PC Screen Info structure:
Offset	Size	Description	)
 00h	BYTE	state
		(bit 7 set appears to indicate the active console that is
		  currently attached to the screen)
 01h	BYTE	scanoff
 02h	WORD	buffer segment
 04h	BYTE	colors
 05h	BYTE	row
 06h	BYTE	column
 07h	BYTE	attribute
		00h = ???
		02h = ???
		0Fh = white on black
 08h	BYTE	auxiliary mode
 09h	BYTE	auxiliary mode 2
SeeAlso: #04089