alt Hacker NewsGoogle can be very helpful for these types of queries:
https://www.google.com/search?q=apple+2+game+programming+tut...
Formulating questions is a valuable skill as is finding existing resources.
As some one from that era, it is truly amazing how much information there is online about all aspects of 8 bit computers
I don't think online tutorials are a good ressources to learn programming. We just have to look at what juniors can do nowadays (they can't even write a simple program, and I'm from that generation). That's why I asked for books.