I love how he made Wozniaks Apple1 code run on his breadboard computer with just a few minor modifications<p>I highly recommend watching his "Build a 65c02-based computer from scratch" video series.
-> <a href="https://youtube.com/playlist?list=PLowKtXNTBypFbtuVMUVXNR0z1mu7dp7eH">https://youtube.com/playlist?list=PLowKtXNTBypFbtuVMUVXNR0z1...</a>