intro cs course that builds a computer using java

Question

Hi everyone, about two years ago I heard of a CS intro course designed around simulating a computer from gates all the way up. The only details I think I remember are that the course used Java and was available as a free online resource.

If you know what course this is, I'd appreciate the pointer though Google might wonder why my sudden spike in search queries has ended :)

Answer 1

Maybe http://www.cs.colby.edu/djskrien/CPUSim/ ?

Answer 2

I think you're thinking of CS 162 at Berkeley. They do a project with a system called Nachoes where you set up all the interesting parts of an operating system. Free lectures are available online and on iTunes.

Answer 3

Perhaps you are referring to Nachos. It's used to teach students about operating systems and allows them to implement and extend parts of it themselves. Originally written in C++, it was ported to Java by UC Berkeley.