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-rw-r--r--src/emu/validity.cpp21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/emu/validity.cpp b/src/emu/validity.cpp
index b4fca6495b1..d8d4829c9ff 100644
--- a/src/emu/validity.cpp
+++ b/src/emu/validity.cpp
@@ -1831,6 +1831,27 @@ void validity_checker::validate_devices()
// done with this device
m_current_device = nullptr;
+
+ // if it's a slot, iterate over possible cards (don't recurse, or you'll stack infinite tee connectors)
+ device_slot_interface *const slot = dynamic_cast<device_slot_interface *>(&device);
+ if (slot && !slot->fixed())
+ {
+ for (auto &option : slot->option_list())
+ {
+ if (option.second->selectable())
+ {
+ device_t *const card = m_current_config->device_add(&slot->device(), "_dummy", option.second->devtype(), 0);
+ for (device_t &card_dev : device_iterator(*card))
+ {
+ m_current_device = &card_dev;
+ card_dev.findit(true);
+ card_dev.validity_check(*this);
+ m_current_device = nullptr;
+ }
+ m_current_config->device_remove(&slot->device(), "_dummy");
+ }
+ }
+ }
}
}