Hey folks. There is still another hardware prototype iteration to go on the VIC MIDI cartridge, but brain's working on it and I have been working on the source code as much as I can.
There are still a few pieces missing (see TODO.txt), but I thought I would post the source as-is to get it "out there". I'm incredibly busy with real life lately, so I'm posting it so it doesn't get lost to the community if I can't continue work on it. It does work!
https://github.com/LeifBloomquist/VICMIDI/
My vision for the cartridge is that it would come with software that will work fine for 95% of users, but end users would be able to make their own versions for advanced use, based on this or their own source. The relevant datasheets and some rudimentary documentation are in the repository too.
VICMIDI Source on GitHub
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It is the very same cartridge. Though it's been modified and changed around to use a more readily available UART so that more can be made. Gave you credit!
http://www.slideshare.net/leifbloomquis ... dore-vic20
http://www.slideshare.net/leifbloomquis ... dore-vic20
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Bump: Prototype is almost completely working (need to find a 4 bit TTL register with falling edge clock...
http://www.go4retro.com/2013/05/22/newi ... -vic-midi/
Jim
http://www.go4retro.com/2013/05/22/newi ... -vic-midi/
Jim