-support VBE 2.0 or greater, then make sure to run the `univbe` TSR first, or
-the demo will fail to find a usable LFB video mode.
+support VBE 2.0 or greater, then make sure to load the `univbe` TSR first.
+
+Source structure
+----------------
+ - src/ cross-platform demo framework and miscellaneous utility code
+ - src/scr/ demo screens (parts) and effects support code
+ - src/dos/ DOS platform code
+ - src/sdl/ SDL 1.x platform code (windows/UNIX version)
+ - libs/cgmath/ math library, header-file only
+ - libs/imago/ image loading library (includes libpng, zlib, libjpeg)
+ - libs/anim/ keyframe animation library