Okay I watched your movie. It brought back quite some memories from when I played the pirated version. The levels are the same for the most part.
I'm not exactly familiar with the original game, but there are some possible improvements I want to point out.
- You can start the levels sooner by pressing A, Start or a combination of both, without having to listen to the tune everytime.
- You can fly across most of level 1.
Starting from here:
until here:
- You don't hit bosses at the first possible frame. And often you aren't close to the right side to go out of the screen (to trigger the level end), so you had to walk there and thus wasted some time. I'm not very familiar with the game and therefore I'm not confident about this point, but positioning didn't seem optimal in some places.
- You didn't use frame advance much/effectively it seems. At the end you autofired A at 25% speed or so, wasting a lot of frames.
The run seems good, and is okay for a beginner's run but there are quite some possible improvements (I think you could save at least 20 seconds). I suggest you implement these, and take your time optimizing things, especially the boss fights, instead of rushing it. If you aren't interested in redoing this TAS, I'd like to give this a shot some time in the future :)