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-rw-r--r--src/devices/bus/electron/romboxp.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/devices/bus/electron/romboxp.h b/src/devices/bus/electron/romboxp.h
index ec4a9c16c00..1b5646bbbb3 100644
--- a/src/devices/bus/electron/romboxp.h
+++ b/src/devices/bus/electron/romboxp.h
@@ -37,6 +37,9 @@ protected:
virtual const tiny_rom_entry *device_rom_region() const override;
virtual ioport_constructor device_input_ports() 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_READ8_MEMBER(status_r);
DECLARE_WRITE_LINE_MEMBER(busy_w);
@@ -58,6 +61,8 @@ private:
required_device<output_latch_device> m_cent_data_out;
required_ioport m_option;
+ uint8_t m_romsel;
+ uint8_t m_rom_base;
int m_centronics_busy;
};