Format of HSPATT parameter block:
Offset	Size	Description	)
 00h	WORD	000Eh (length of following data)
 02h	BYTE	cell width
 03h	BYTE	cell height
 04h	BYTE	flags
 05h	BYTE	reserved
 06h	WORD	length of marker symbol
 08h	DWORD	-> image definition data
 0Ch	DWORD	-> color definition data
SeeAlso: #03937,#03942