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Connomore64: Cycle exact emulation of the C64 using parallel microcontrollers

201 pointsby codewiz14 days ago

9 comments

rollcat14 days ago
I love the sound of the SID chip, happy to find out about this project as well: <a href="https:&#x2F;&#x2F;github.com&#x2F;frntc&#x2F;SIDKick-pico">https:&#x2F;&#x2F;github.com&#x2F;frntc&#x2F;SIDKick-pico</a><p>8 Bit Weapon are making some fantastic use of it:<p><a href="https:&#x2F;&#x2F;8bitweapon.bandcamp.com&#x2F;album&#x2F;disassembly-language-ambient-music-for-deprogramming-vol-1" rel="nofollow">https:&#x2F;&#x2F;8bitweapon.bandcamp.com&#x2F;album&#x2F;disassembly-language-a...</a><p><a href="https:&#x2F;&#x2F;8bitweapon.bandcamp.com&#x2F;album&#x2F;disassembly-language-ambient-music-for-deprogramming-vol-2" rel="nofollow">https:&#x2F;&#x2F;8bitweapon.bandcamp.com&#x2F;album&#x2F;disassembly-language-a...</a><p><a href="https:&#x2F;&#x2F;8bitweapon.bandcamp.com&#x2F;album&#x2F;modular-sidsation" rel="nofollow">https:&#x2F;&#x2F;8bitweapon.bandcamp.com&#x2F;album&#x2F;modular-sidsation</a><p>LukHash also regularly features C64s in his kit:<p><a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=3JQkW6BgUYU" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=3JQkW6BgUYU</a><p>Share your favourite artists!
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sandos14 days ago
Ohh, at first I was excited to see if this mean you could just replace parts of the C64 with some nice modern building blocks: I have a very old C64 that I don&#x27;t want to cannibalize for parts that has a broken clock module. But this is not quite that. :)
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wiz21c14 days ago
&gt; rewritten graphics rendering code (running 5-10 times as fast as the previous code while sacrificing some compatibility)<p>argh, too bad. If one goes the cycle-accurate way, then not doing everything accurate is a bit strange... I wonder why they made that choice...
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abhisek14 days ago
So cool! Things we would do to re-live the past. Not really into hardware but I remember trying to build an emulator for z80 just to learn how it work for old Sega games
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sunpazed14 days ago
Love this! The C64 introduced me to the world of computers as a kid. I still have that almost 40 year old machine in my collection, but I’m weary of failure every time I turn it on. This is somewhat better than the MiSTer as I can use physical peripherals with it. Great work!
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chillingeffect14 days ago
I love it. Ive been reviving a stack of 4 c64s i got untested for $285. I noticed CIA chip replacements cost 40-45 and was wondering if an Rpi pico could replace it! I&#x27;ll bet they combined two CIAs into one. I&#x27;m curious if they repeat the typical 24+ pin bus (16 addr, 8 data, plus more control lines).
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bitwize13 days ago
I&#x27;ve long thought it should be possible to get timing-correct emulation by having multiple CPUs each emulate some component, rather than emulating everything on one CPU. It&#x27;s cool to see this idea put into practice; the devil is always in the details.
eabeezxjc14 days ago
I am in favor of this solution. But let it not be closed. Let&#x27;s also run fuzix.org on it .
gitroom14 days ago
Love how people still put so much effort into keeping old C64s going, makes me wanna fix up my own stash tbh.