I’ve brought my spectrum to university today, they held a sort of computer technology history lecture there, it wasn’t really a lecture, but it was pretty interestring. There were 10″ floppies, and huge disk plantterns (used for data storage), and various old computer parts.
Anyway, I added an extra resistor to speakers, which made volume twice smaller, and now it doesn’t sound-rape your ears. I’ve showed it on small black & white TV I have, and the setup roughly looked like this (plus a laptop acting as cassette player to load from tapes):
And here’s a small video, which has sound:
Oh yeah, I tried copying games from tapes to diskettes, but it seems they need to use altered game loader, which I didn’t start writing (but it should be fairly simple, most games just require to load their binary by specific address, and that’s all, in fact, most of the time it’s offset 32768, at least that’s valid for original JSW). The tape-to-disk copier looks like this:
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