Tech > ZGP EXTRA

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Image compression 2-bit color

made by TKO Soft

uploaded by TKO_Soft

added:

updated:

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2

- Image compression attempt -
Compress 2x2 pixels (2-bit color) by counting them in a zigzag on the horizontal axis.

Program description:
After compressing the 128x72 pixel image displayed in the upper left, it is expanded from the compressed data and displayed in the lower right.

Data acquisition method
tic80 > out.txt cart.tic

Update
17-Mar '21: Added graphic size and palette information in the data.
3-Mar '21: Algorithm improvement, 30% increase in compression rate!

Comments

kikeroga	#6355 You are doing your best! I think it's a good compression ratio :D I want to use this logical code.
TKO_Soft	#6356 Not to mention! Feel free to use it :-)