
#define MSU_STATUS	$2000
#define MSU_READ	$2001
#define MSU_ID		$2002

#define MSU_SEEK_OFFSET	$2000
#define MSU_SEEK_BANK	$2002
#define MSU_TRACK	$2004
#define MSU_VOLUME	$2006
#define MSU_CONTROL	$2007

