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Retrospex: Convert images to fit Commodore 64 graphic modes (github.com/micheldebree)
46 points by todsacerdoti on May 19, 2024 | hide | past | favorite | 20 comments


Open Source creators: If your utility is a graphics tool, visualization library or anything related to images : for the love of science and all things holy, put screenshots on your repo.


I was literally thinking the same thing. The README here is useless, I'm trying to actually see the effects of this tool.


I know right?! I was super psyched to see some killer retro graphics



The CSDb release page comes with a screenshot

https://csdb.dk/release/?id=242711


I did something similar for the ZX Spectrum a few years ago, command line usage was on the cards but never done https://github.com/KodeMunkie/imagetozxspec


> the ZX Spectrum

Is that for the 128k+ with screen swapping? Definitely doesn't look like I'd expect from 48k Spectrums with the chunky attributes but I've not kept up with the shenanigans people have managed to coerce the machine into...


It's 128k double buffer for the 102 colour mode. For 48k it's standard palette dithering. "video" players are available as loaders for 48k and 128k.


It would be nice to train a neural network to adapt images in a similar way to how ZX artists did it - fitting objects to the boundaries of characters, avoiding attribute clashing and getting pure colors.


Out of date notes and old build links but has a screenshot: https://silentdevelopment.blogspot.com/2019/01/image-to-zx-s...


Somewhat related: I printed some "Pencil Puzzles" [1][2][3] for my MIL, and she loved them. Any suggestions on how to create more of these, possibly using AI? So far, my idea is to find a good set of icons and just pixelate them, but it will obviously not be as good as properly drawn black-and-white pixel art.

[1]: https://web.archive.org/web/20120409104318/http://www.tipstr...

[2]: https://www.retromags.com/forums/topic/11207-tips-tricks-pen...

[3]: https://www.worksheetworks.com/puzzles/pixel-pictures.html

edit: just figured out the keyword I was looking for is: 1-bit pixel art.


NB a few other common terms for these sorts of puzzles are "paint-by-numbers", "picross" or "nonograms"


I wonder if there is equivalent software for other 80s computers. I'd expecially like to see one that output Apple ][ graphics.


https://github.com/KrisKennaway/ii-pix/ converts to Apple II Hi-Res, Double Hi-Res, and 320x200 Super Hi-Res (disclaimer: I'm the author)


I went the opposite direction: convert C-64 files from "Doodle" format to IBM EGA format https://www.kmoser.com/sourcecode/VIEWC64.MOD


Check out Dithertron, it’s got Apple ][ (and >30 other platforms): https://8bitworkshop.com/dithertron/



Does this follow the '{2|4} colors per 8x8 cell' limits?


Now what C64 needs is a web browser. :)





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