disasm fixes

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@11861 6c8e4198-a580-4521-a02f-c9ae86df1db9
add option to skip mem datasize printing in disasm

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@11862 6c8e4198-a580-4521-a02f-c9ae86df1db9
optimize old disasm code

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@11863 6c8e4198-a580-4521-a02f-c9ae86df1db9