Format of Disk-Emu information data:
Offset	Size	Description	)
 00h	BYTE	number of tracks
 01h	BYTE	sectors per track
 02h	WORD	bytes per sector
 04h	BYTE	number of heads
 05h	BYTE	flag: 00h inactive, 01h active
 06h	BYTE	write protection (00h none, 01h full, 02h pseudo)
 07h	BYTE	saved (00h some unsaved data, 01h all data saved)
 08h	BYTE	disk in memory (00h no, 01h yes)
 09h	WORD	EMS handle
 0Bh	WORD	XMS handle
 0Dh	BYTE	memory type used for disk (00h XMS, 01h EMS)