If you delete all the digits from the "Initial PC" input and leave it like this: <img width="133" height="55" alt="Image" src="https://github.com/user-attachments/assets/68ad6b9e-834f-4b67-b64e-5f0ca2dba2be" /> and then run the simulation, the PC addresses get invalid. <img width="353" height="105" alt="Image" src="https://github.com/user-attachments/assets/a8976784-e303-4127-b37e-aa315cb8b781" />
If you delete all the digits from the "Initial PC" input and leave it like this:
and then run the simulation, the PC addresses get invalid.