My 2p:
Don't pay too much heed to the CS crowd.
Get a book on 6502 & maybe the Complete Commodore 64 ROM Disassembly.
Download VICE, cc65, Contiki OS, lbForth, QEMU.
Google Dave Cutler, Alan Kay.
Remember the 80s is luxury land it was all done & dusted in the 70s, maybe the 50s or even the 30s.
Good luck best wishes all that.
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