Same here. I have so much great AS3 code that I can't even run for myself anymore. I used to run my own billing app that I wrote in AS3 for generating highly custom invoice templates. Even after I shut it down I still used it locally until Adobe destroyed Flash Player.
There was a pretty simple way to build a chromium based app with electron that allows you to run old flash application. I built this a few years ago for some customers in my old company because we had a flash backend which we couldn't port to js with reasonable effort.
A quick Google research shows that chromium disabled flash a while ago but you should still be able to use an older version in electron projects. Didn't test it but could be worth a shot.
I want a programmable one of these, something between https://glicol.org/ and this, so I can write a couple notes then write a "for" loop to get them to repeat how I want.
Very cool. I read you built this as you are learning music theory as an adult. As someone who also hopes to learn myself later in life, I just wanted to say thanks. All the examples / tools you have built are great!
I miss AS3. Even 10 years later Javascript barely scratches what AS3 could do.