'''CodeView''' is a standalone [[debugger]] created by [[David Norris (Microsoft)|David Norris]] at [[Microsoft]] in 1985 as part of its development toolset.<ref name="CV3x"/> It originally shipped with Microsoft C 4.0 and later. It also shipped with [[Visual Basic (classic)|Visual Basic]] for [[MS-DOS]], [[Microsoft BASIC PDS]], and a number of other Microsoft language products.<ref name="CV87"/> It was one of the first debuggers onfor the [[MS-DOS]]platformto that wasbe full-screen oriented, rather than line-oriented (as Microsoft's predecessors [[DEBUG (DOS command)|DEBUG]] and [[SYMDEB]] or [[Digital Research]]'s [[Symbolic Instruction Debugger|SID]]).
