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-rw-r--r--src/mame/machine/v1050kb.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mame/machine/v1050kb.h b/src/mame/machine/v1050kb.h
index 6230f783f92..6350488aa54 100644
--- a/src/mame/machine/v1050kb.h
+++ b/src/mame/machine/v1050kb.h
@@ -37,6 +37,9 @@ public:
// construction/destruction
v1050_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+ // device flags
+ static constexpr feature_type imperfect_features() { return feature::KEYBOARD; }
+
template <class Object> static devcb_base &set_out_tx_handler(device_t &device, Object &&cb) { return downcast<v1050_keyboard_device &>(device).m_out_tx_handler.set_callback(std::forward<Object>(cb)); }
DECLARE_WRITE_LINE_MEMBER( si_w );