There has been a tiny change to Varvara(#uxn) where the #00 Screen/sprite value will, from now on, only clear the pixels that are present in the sprite data at Screen/addr*. I've ported all the 100r roms to support the change, and updated the docs.
updated documentation: https://wiki.xxiivv.com/site/varvara.html#screen
mailing list: https://lists.sr.ht/~rabbits/uxn/%3CCAE2DaSQuj%3DC8e7ofV3+4H6MaTOhtD_wrFWihhYtCuYiEVtV6WQ%40mail.gmail.com%3E
discussion: https://lists.sr.ht/~rabbits/uxn/%3C692CA0D5-0200-408D-9357-BF0D8887D2BF%40noyu.me%3E
example file: https://git.sr.ht/~rabbits/uxn/tree/main/item/projects/examples/devices/screen.blending.tal
@neauoire What hardware and OS do you host Varvara on now?