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Something I stumbled across when looking for a way to compress an End-of-Game image for Impulse. Low on tokens (but heavily recursive, don't know if that's an issue for Pico8). May suit you more than anything RLE based if you're working with dithering-heavy images.

Cart #yudabegaba-0 | 2020-08-02 | Code ▽ | Embed ▽ | License: CC4-BY-NC-SA
5

Press X to cycle pictures. The reported size is a bit misleading as it doesn't include the fixed-length "left" and "right" strings.

Images are:

  • A messily converted picture of Bananaman
  • An image from Bladerunner (by far the worst compressed, and anything more fancy than simple ordered dithering made it worse)
  • The Utah teapot
  • Wizball (was interested to see what it made of the C64's 2x1 pixels)
  • Whatever you do, don't
  • A self-made dithering test (compressed very well)
  • Jet Set Willy
  • An image from the Amiga demo Eon by Black Lotus

Scrappy C++ PPM-image-converter code here

P#80278 2020-08-02 21:34


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