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-rw-r--r--src/devices/bus/electron/m2105.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/devices/bus/electron/m2105.h b/src/devices/bus/electron/m2105.h
index 2411913008c..3fab3b52128 100644
--- a/src/devices/bus/electron/m2105.h
+++ b/src/devices/bus/electron/m2105.h
@@ -40,6 +40,9 @@ protected:
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
+ virtual uint8_t expbus_r(address_space &space, offs_t offset, uint8_t data) override;
+ virtual void expbus_w(address_space &space, offs_t offset, uint8_t data) override;
+
private:
DECLARE_WRITE_LINE_MEMBER(intrq_w);
@@ -50,6 +53,8 @@ private:
required_device<tms5220_device> m_tms;
required_device<centronics_device> m_centronics;
required_device<input_merger_device> m_irqs;
+
+ uint8_t m_romsel;
};