Now that I see you are checking in on the thread, I suppose I should report some bugs I found.
In the Goldenrod Underground, when battling the rival, the game stops working when the "Rival wants to battle!" text comes up. The text never ends and shows weird letters and I'm stuck in a limbo and can't continue. The only I was able to continue the game was using a walk through walls code to skip the rival's battle altogether. I have also experienced the rival's name glitching up in previous rival battles, although the game never got stuck.
After defeating Team Rocket in Goldenrod City, the guy selling Ragecandybars in Mahogany Town is gone, but his script is still there, stopping me. I can still go on, though, just by walking on the upper side of the road, where his sprite used to stand.
In the Tin Tower, Entei's sprite briefly turns into Suicune when running away. I have recorded this:
https://youtu.be/N8sIN8XGh9M
I entered the Pokémon Center in Ecruteak and Bill's script repeated itself. He came down the escalator and introduced himself to me, even though I have done it long ago.
