This is a 1-frame improvement to UserFiles/Info/638874688943283518, reducing the total time from 500 frames to 499 frames.
The difference is clearing the
[MORE] prompt with Space rather than return. That removes the need to release the Return key before pressing it.
See https://archive.org/details/zork-appleii-tas-grue-20250721 for an encode and source code.