* Many more diffs found in REENTRY_CONTROL.
Found by diffing against:
- https://github.com/virtualagc/virtualagc/blob/master/Comanche055/REENTRY_CONTROL.agc
Scanned pages still ultimate source of truth.
* Reverting earlier uncommenting of lines starting with 'A'
There seems to be a pattern where lines starting with 'A' are commented out code blocks,
so it's better to leave them commented.
