Horizontal Distorter on Atari STe (capture on real hardware)

Here is the blog post which explains what happens in this video: https://blog.defence-force.org/index.php?page=articles&ref=ART70

The complete project source code is available on Defence-Force's SVN server: http://svnhead.defence-force.org/public/atari/tutorials/SineWave

This video was recorded on the real machine to check it worked fine before publishing the code, you never know, emulation can only bring you so far :D ... https://www.youtube.com/watch?v=zYt3tTdsCYU