def loadstore(self, addrs, length=<NUM_LIT:1>):
if not isinstance(addrs, Iterable):<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>self.first_level.loadstore(addrs, length=length)<EOL>
Load and store address in order given.

:param addrs: iteratable of address tuples: [(loads, stores), ...]
:param length: will load and store all bytes between addr and
               addr+length (for each address)