AI refactoring of 20+ year-old code from Tricks of the Windows Game Programming Gurus

How good is AI at bringing old code into the 21st century? I’ve undertaken a small project to refactor code from the book Tricks of the Windows Game Programming Gurus, by Andre Lamothe, to see how easy it might be to modernize. First, some background: back in 2002, I was a General Manager at the [ ]