win32ParamDialog: added separate functions for handling child windows and buttons
floppy dialog: update controls after setting path with the browse button


git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12013 6c8e4198-a580-4521-a02f-c9ae86df1db9
code cleanups

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12014 6c8e4198-a580-4521-a02f-c9ae86df1db9
implemented avx-512 cvt*2si instructions

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12015 6c8e4198-a580-4521-a02f-c9ae86df1db9