3 ms·
Having no other resources, as a kid I sent Zilog a letter asking for a copy of their Z80 docs. Probably wrote it in crayon. Bless them, they sent it, and that
by downerending 7y ago
Having no other resources, as a kid I sent Zilog a letter asking for a copy of their Z80 docs. Probably wrote it in crayon.
Bless them, they sent it, and that's how I got started learning microprocessor architecture.
- tstout 7y agoThis makes me smile!
- downerending 7y agoMe too. It was essentially this, albeit a very early version: http://www.z80.info/zip/z80cpu_um.pdf http://www.z80.info/zip/z80cpu_um.pdf May the gods help any kid that tries to learn Intel CPU architecture that way these days. :-)
- mysterydip 7y ago"Well Johnny, the first thing to understand is how time travel works. You see, our CPUs guess at what you wanted to do next and start executing the pipeline before they know for sure, and sometimes it's wrong, and..."
- doctor_eval 7y agoI have the original Z80 programmer's quick reference around at home, still. If I was smart enough to know how to post a photo to HN then I would do so :)