Comment by musicale

Nothing wrong with internet searches (though I find Google is most useful for results from Google sites).

But HN is full of 6502 enthusiasts, so I approve of tapping their collective wisdom to discover personal favorites and recommendations.

Unlike modern computers, 8-bit systems were expected to be programmed by their owners! As a result there are many books from the 8-bit, pre-internet era explaining exactly how to do so, and many of those books are conveniently available on the modern internet (perhaps via a google or other search, or on archive.org, etc.) Many systems also came with user instruction manuals explaining how to program them.

Here is the Apple II BASIC manual from 1978:

https://archive.org/details/Apple_II_Basic_Programming_Manua...

Note how it explains everything from scratch, including how to hook the Apple II up to a TV, how to use the keyboard, and how to start up BASIC.

BASIC was designed as a simple but effective programming language that could be learned by computing novices (first year college students) in an afternoon. Here is the original Dartmouth BASIC manual (23 pages long!) from 1964:

https://www.dartmouth.edu/basicfifty/basicmanual_1964.pdf