The #C64 image converter no longer works for me:
http://c64.superdefault.com/
Perhaps it's because now browsers require https to upload files? Tested on both Firefox and Chrome...
Anyone knows an offline #C64 image converter? It's for... work.
@patrick So maybe their backend is really broken... I'll try contacting the authors.
@codewiz When I was searching for one, I ended up instead looking at instructions on how to accomplish that with gimp: reducing resolution and the colours does it. Should also be doable with Imagemagick.
In part, it's because nobody was doing Floyd–Steinberg dithering back in the day (ImageMagick doesn't have a lot of options).
In part, it's also because the #C64 was constrained to 4 colors per character cell in multicolor mode.
@codewiz That's awesome!
I was just thinking if there were also some "typical c64 colors", one could mass-grab c64 game screenshots for that from the net and look at the used colors.. but your result here is already great!
@codewiz You could try with cutting down resolution a bit more. Cutting down colors might be harder.
@globalc @root I could make an animgif version using 60hz flickering to create intermediate color shades! #c64 #demoscene
@codewiz Questo è verso c64 https://github.com/naavis/c64-image-converter/blob/master/c64convert.py
@root I tried this one too, but it only outputs c64 file formats (or executables), and the result isn't great:
@root Oh wait... I'm confused. This is the one I tried:
https://github.com/elysium64/c64img
Wow, there was even a jpeg decoder...
...and it's blazingly fast! 😲
https://www.youtube.com/watch?v=E-QmrBdk2z4
First time I hear of this SuperCPU... it's an accelerator card for the C64 based on a 20MHz 8/16-bit processor with a 6502 backwards-compatibility mode:
https://en.wikipedia.org/wiki/SuperCPU
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The converter we used for 'trouwfuif' ( https://csdb.dk/release/?id=208435 ) is convertron3000 by fieserwolf; https://csdb.dk/release/?id=155606 . It outputs koala (multicolor) or hires, though I did not use hires. I tried a preview and after initial promising results, "oh yeah that was before color collision removal, hmm, yes, this is very... not the same thing."