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