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Diffstat (limited to 'src/devices/bus/nes_ctrl/zapper.h')
-rw-r--r--src/devices/bus/nes_ctrl/zapper.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/devices/bus/nes_ctrl/zapper.h b/src/devices/bus/nes_ctrl/zapper.h
index 5ae68fd0a6e..5c5c60c9386 100644
--- a/src/devices/bus/nes_ctrl/zapper.h
+++ b/src/devices/bus/nes_ctrl/zapper.h
@@ -21,6 +21,7 @@
// ======================> nes_zapper_device
class nes_zapper_device : public device_t,
+ public device_video_interface,
public device_nes_control_port_interface
{
public: