@Override
	public final MemoryBank getMemoryBank(AddressSpace spc) {
		int index = spc.getUnique();
		if (index >= memspace.size())
			return null;
		return memspace.get(index);
	}
Any MemoryBank that has been registered with this MemoryState can be retrieved via this
method if the MemoryBank's associated address space is known.

@param spc is the address space of the desired MemoryBank
@return the MemoryBank or null if no bank is associated with spc.
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/memstate/DefaultMemoryState.java