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-rw-r--r--src/mame/includes/n8080.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mame/includes/n8080.h b/src/mame/includes/n8080.h
index f0bffde9905..c99f2f8a2d3 100644
--- a/src/mame/includes/n8080.h
+++ b/src/mame/includes/n8080.h
@@ -95,7 +95,8 @@ class spacefev_state : public n8080_state
{
public:
spacefev_state(const machine_config &mconfig, device_type type, const char *tag) :
- n8080_state(mconfig, type, tag)
+ n8080_state(mconfig, type, tag),
+ m_video_conf(*this, "VIDEO")
{ }
void spacefev(machine_config &config);
@@ -112,6 +113,8 @@ protected:
virtual void delayed_sound_2(int data) override;
private:
+ required_ioport m_video_conf;
+
void spacefev_sound(machine_config &config);
TIMER_DEVICE_CALLBACK_MEMBER(vco_voltage_timer);