+ }
+ it--;
+ return it->second->store(addr - it->first, len, bytes);
+}
+
+std::pair<reg_t, abstract_device_t*> bus_t::find_device(reg_t addr)
+{
+ // See comments in bus_t::load
+ auto it = devices.upper_bound(addr);
+ if (devices.empty() || it == devices.begin()) {
+ return std::make_pair((reg_t)0, (abstract_device_t*)NULL);
+ }
+ it--;
+ return std::make_pair(it->first, it->second);