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Diffstat (limited to 'src/devices/bus/a2bus/grapplerplus.h')
-rw-r--r--src/devices/bus/a2bus/grapplerplus.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/grapplerplus.h b/src/devices/bus/a2bus/grapplerplus.h
index 3c881a2babc..188ebc35b2e 100644
--- a/src/devices/bus/a2bus/grapplerplus.h
+++ b/src/devices/bus/a2bus/grapplerplus.h
@@ -167,7 +167,9 @@ protected:
// device_t implementation
virtual tiny_rom_entry const *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
+ virtual ioport_constructor device_input_ports() const override;
virtual void device_start() override;
+ virtual void device_reset() override;
private:
// a2bus_grapplerplus_device_base implementation
@@ -191,6 +193,7 @@ private:
std::unique_ptr<u8 []> m_ram;
u16 m_ram_row; // U1-U8
+ u8 m_ram_mask; // mask out chips that are not installed
u8 m_mcu_p2; // U10
u8 m_data_latch; // U14 (synchronised)
u8 m_ibusy; // U12