It’s not just the square wave, you also have an option to start and stop the sound (envelope). Sure, it’s basic to the point of being almost useless[1], but that was the goal I guess.
[1]: Although a device with similar capabilities called Stylophone ended up in Space Oddity. Details: https://en.m.wikipedia.org/wiki/Stylophone
It’s not just the square wave, you also have an option to start and stop the sound (envelope). Sure, it’s basic to the point of being almost useless[1], but that was the goal I guess.
[1]: Although a device with similar capabilities called Stylophone ended up in Space Oddity. Details: https://en.m.wikipedia.org/wiki/Stylophone