I finally made some progress on the software backlog. I built the r3.9 rockbox for z2lite, with a complete set of plugins that should hopefully also work on IZ2S. But I have yet to test it and package it all up. Oh well. Maybe this weekend.
Meanwhile, this tiny basic interpreter caught my eye. Yeah I know, there are plenty of basic interpreters out there, some with the same name even. SmallBASIC even looks useful with it's FLTK widgets and all, but I have a weakness for shiny things and a colorful screenshot pulled me in. So I patched it for the zipit keyboard and applied this patch (except for the font doubler). It seems to work ok with the example files.
SDL_basic-1.0.2-iz2s.zip (executable and source code)