It can help someone, expecially for the part where I redefine the char "@" with the C= logo.

This is the code to paint the big C= with a rain of little C=, as in the gif that serves as logo for this code jam. After the picture there are all the coordinates.

Here you can find the listable .prg file (open it with Vice and press runstop to watch the code), and the .bas listing that you can import into CbmPrg Studio.

https://drive.google.com/drive/folders/1EByZk34burua2QJ0c8Yykjaky9xBS4HE?usp=sha...

Happy coding!