Skrolli 2018.4: Kosketusnäyttö C64:lle

LINKIT:

- https://github.com/t33bu/retro-touch-screen
- https://nextion.itead.cc/resources/documents/instruction-set/
- https://www.c64-wiki.com
- http://sleepingelephant.com/denial/wiki/

- David Thornburg: The KoalaPad Book Internet Archive -verkkokirjastossa: https://archive.org/details/the-koalapad-book