Sine wave synth and square wave fourier series

Written in C using SDL for drawing.

PS. Amplitude seems to be lowering when new harmonics are added. This is due to rounding errors which are now fixed in new version of the program.

Music: Battle Valley (Dream Team) by Dr Future https://www.remix64.com/track/dr-future/battle-valley-dream-team/ ... https://www.youtube.com/watch?v=kFEH6xIPBFQ