@Override
	DBRecord getRecordAtOrBefore(Address addr) throws IOException {
		RecordIterator it = new AddressKeyRecordIterator(instTable, addrMap, addr, false);
		return adaptRecord(it.previous());
	}
@see ghidra.program.database.code.InstDBAdapter#getRecordAtOrBefore(long)
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/InstDBAdapterV0.java