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Diffstat (limited to 'src/devices/bus/a2bus/a2bus.h')
-rw-r--r--src/devices/bus/a2bus/a2bus.h8
1 files changed, 3 insertions, 5 deletions
diff --git a/src/devices/bus/a2bus/a2bus.h b/src/devices/bus/a2bus/a2bus.h
index 3e63104f86c..1c7d94bbcdc 100644
--- a/src/devices/bus/a2bus/a2bus.h
+++ b/src/devices/bus/a2bus/a2bus.h
@@ -33,8 +33,9 @@ static constexpr uint32_t A2BUS_7M_CLOCK = 7159090;
//**************************************************************************
class a2bus_device;
+class device_a2bus_card_interface;
-class a2bus_slot_device : public device_t, public device_slot_interface
+class a2bus_slot_device : public device_t, public device_single_card_slot_interface<device_a2bus_card_interface>
{
public:
// construction/destruction
@@ -59,7 +60,6 @@ protected:
a2bus_slot_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
- virtual void device_validity_check(validity_checker &valid) const override;
virtual void device_resolve_objects() override;
virtual void device_start() override;
@@ -71,8 +71,6 @@ protected:
DECLARE_DEVICE_TYPE(A2BUS_SLOT, a2bus_slot_device)
-class device_a2bus_card_interface;
-
// ======================> a2bus_device
class a2bus_device : public device_t
{
@@ -133,7 +131,7 @@ DECLARE_DEVICE_TYPE(A2BUS, a2bus_device)
// ======================> device_a2bus_card_interface
// class representing interface-specific live a2bus card
-class device_a2bus_card_interface : public device_slot_card_interface
+class device_a2bus_card_interface : public device_interface
{
friend class a2bus_device;
public: