Adding to what others have said If you are looking for or interested in game engine clones https://osgameclones.com/
If We have any luck they will sell the console at a loss to catch people and when it fails, maybe We can get cheap hacked and rooted consoles. ;-)
Yes, go to main page https://usborne.com/ choose English and USA and it will let you access to the books. I hate them too, those designers or whoever think that should be useful should be punished.
To add a bit more of info an interesting podcast about old computing https://adventofcomputing.libsyn.com/episode-36-the-rise-of-cpm
Of interest to the history https://adventofcomputing.libsyn.com/episode-36-the-rise-of-cpm and a good podcast too.
I think it's really appropriate to have a SDF in Japan. Greetings and welcome. SDF bases all around the globe.
@ghostdancer
@lemmy.sdf.org