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diff --git a/src/devices/bus/dmv/k806.h b/src/devices/bus/dmv/k806.h
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+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+#pragma once
+
+#ifndef __DMV_K806_H__
+#define __DMV_K806_H__
+
+#include "emu.h"
+#include "dmvbus.h"
+#include "cpu/mcs48/mcs48.h"
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> dmv_k806_device
+
+class dmv_k806_device :
+ public device_t,
+ public device_dmvslot_interface
+{
+public:
+ // construction/destruction
+ dmv_k806_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual ioport_constructor device_input_ports() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ DECLARE_READ8_MEMBER(portt1_r);
+ DECLARE_READ8_MEMBER(port1_r);
+ DECLARE_WRITE8_MEMBER(port2_w);
+
+ TIMER_DEVICE_CALLBACK_MEMBER(mouse_timer);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ virtual void io_read(address_space &space, int ifsel, offs_t offset, UINT8 &data);
+ virtual void io_write(address_space &space, int ifsel, offs_t offset, UINT8 data);
+
+private:
+ required_device<upi41_cpu_device> m_mcu;
+ required_ioport m_jumpers;
+ required_ioport m_mouse_buttons;
+ required_ioport m_mouse_x;
+ required_ioport m_mouse_y;
+ dmvcart_slot_device * m_bus;
+
+ struct
+ {
+ int phase;
+ int x;
+ int y;
+ int prev_x;
+ int prev_y;
+ int xa;
+ int xb;
+ int ya;
+ int yb;
+ } m_mouse;
+};
+
+
+// device type definition
+extern const device_type DMV_K806;
+
+#endif /* __DMV_K806_H__ */