Format of Primary/Secondary Bitmap [SMD_BITMAP_STRUCT]:
Offset	Size	Description	)
 00h	BYTE	vertical size of bitmap (00h - 10h)
 01h	BYTE	horizontal size of bitmap (00h - 10h)
 02h	BYTE	vertical hotspot position (00h - 10h)
 03h	BYTE	horizontal hotspot position (00h - 10h)
 04h 16 WORDs	cursor bitmap data
 14h 16 WORDs	screen bitmap data