Download patch
ref: 1195ca910c393e542d6aa23035fa75719af1107e parent: 70c7a9eb07516843da083b6231d55a07d28b9350 author: qwx <devnull@localhost> date: Sat May 12 15:20:53 EDT 2018
add libemu move redundant code from emulators to a common library