Format of AMI OEM Logo data area:
Offset	Size	Description	)
 00h  8 BYTEs	signature
		"TEXTLOGO" if text-mode OEM logo
		8 DUP (FFh) if unused
 08h	WORD	offset of logo font definition table
 0Ah	WORD	offset of logo data
 0Ch	WORD	size of logo font table in words
 0Eh	WORD	offset of upper left corner of logo in video page
 10h	WORD	width of logo
 12h	WORD	height of logo
 14h	BYTE	reserved???
 var	var	logo font definition (16 bytes per character)
 var	var	logo data as character/attribute pairs
Note:	the attribute for the logo characters specifies which font will be used
	  for that character.  If bit 3 is cleared, the normal system font is
	  used; if bit 3 is set, the logo font is used, with screen colors
	  adjusted to match the corresponding non-bright attribute for the
	  system font
SeeAlso: #00545,#00546