ff-ad9833: Added Für Elise Demo

I added this tune to the demo-melodies.fs file:

Für Elise (first half) played with ff-ad9833 code

My apologies to the Beethoven fans as I had to do some violence to the tune in order to make it monophonic and to fit it inside the 3 octaves provided by my code. I also had to apply some filtering to the recording to try to remove background noise in my apartment.

Here is the tune in source code:

create furelise-p1
d_16th ne  o5 == d_16th nd# o5 == d_16th ne  o5 == d_16th nd# o5 ==
d_16th ne  o5 == d_16th nb  o5 == d_16th nd  o5 == d_16th nc  o5 == 
d_8th  na  o5 == d_16th nr  nr == d_16th nc  o4 == d_16th ne  o4 ==
d_16th na  o5 == d_8th  nb  o5 == d_16th nr  nr == d_16th ne  o4 ==
d_16th ng# o4 == d_16th nb  o5 == d_8th  nc  o5 == d_16th nr  nr ==
d_16th ne  o4 == d_16th ne  o5 == d_16th nd# o5 == d_16th ne  o5 ==
d_16th nd# o5 == d_16th ne  o5 == d_16th nb  o5 == d_16th nd  o5 ==
d_16th nc  o5 == d_8th  na  o5 == d_16th nr  nr == d_16th nc  o4 ==
d_16th ne  o4 == d_16th na  o5 == d_8th  nb  o5 == d_16th nr  nr ==
d_16th ne  o4 == d_16th nc  o5 == d_16th nb  o5 == end-score

create furelise-p2 d_quarter na o5 == end-score

create furelise-p3
d_8th  na o5 == d_16th nr nr == d_16th nb o5 == d_16th nc o5 ==
d_16th nd o5 == end-score

create furelise-p4
d_dt-8th ne  o5 == d_16th ng  o4 == d_16th nf  o5 == d_16th ne  o5 ==
d_dt-8th nd  o5 == d_16th nf  o4 == d_16th ne  o5 == d_16th nd  o5 ==
d_dt-8th nc  o5 == d_16th ne  o4 == d_16th nd  o5 == d_16th nc  o5 ==
d_16th   nb  o5 == d_16th ne  o4 == d_16th ne  o5 == d_16th ne  o4 ==
d_16th   ne  o5 == d_16th ne  o4 == d_16th ne  o5 == d_16th ne  o4 ==
d_16th   ne  o5 == d_16th ne  o5 == d_16th ne  o6 == d_16th nf# o4 ==
d_16th   ng  o4 == d_16th nd# o5 == d_16th ne  o5 == d_16th nf# o4 ==
d_16th   ng  o4 == d_16th nd# o5 == d_16th ne  o5 == d_16th nd# o5 ==
d_16th   ne  o5 == d_16th nd# o5 == d_16th ne  o5 == d_16th nb  o5 ==
d_16th   nd  o5 == d_16th nc  o5 == d_16th na  o5 == d_16th ne  o4 ==
d_16th   na  o4 == d_16th nc  o4 == d_16th ne  o4 == d_16th na  o5 ==
d_16th   nb  o5 == d_16th ne  o4 == d_16th ng# o4 == d_16th ne  o4 ==
d_16th   ng# o4 == d_16th nb  o5 == d_16th nc  o5 == d_16th ne  o4 ==
d_16th   na  o4 == d_16th ne  o4 == d_16th ne  o5 == d_16th nd# o5 ==
d_16th   ne  o5 == d_16th nd# o5 == d_16th ne  o5 == d_16th nb  o5 ==
d_16th   nd  o5 == d_16th nc  o5 == d_16th na  o5 == d_16th ne  o4 ==
d_16th   na  o4 == d_16th nc  o4 == d_16th ne  o4 == d_16th na  o5 ==
d_16th   nb  o5 == d_16th ne  o4 == d_16th ng# o4 == d_16th ne  o4 ==
d_16th   nc  o5 == d_16th nb  o5 == end-score

create furelise-p5 d_dt-quarter na o5 == end-score

That occupied 326 bytes of memory, which was the score bytes along with the bytes needed for the word headers (furelise-p1, etc.) It was divided into five parts to save memory, since some of the parts are repeated.

Free software source code and documentation are available here:

https://codeberg.org/infrared/ff-ad9833

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