You can write in memory in a static buffer equal to 8 x width of the logo, and then set the screen/auto byte to that with and vertical paint it 1 row at a time downward. There's examples of how I do this in the uxn repository, picture.tal in gui I think does it.
Gregory's Server
@wim_v12e in the uxn memory. If you wanna explore this, have a look at how icn data is stored in memory. http://wiki.xxiivv.com/site/icn_format.html
You can write in memory in a static buffer equal to 8 x width of the logo, and then set the screen/auto byte to that with and vertical paint it 1 row at a time downward. There's examples of how I do this in the uxn repository, picture.tal in gui I think does it.