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diff --git a/src/mame/machine/news_hid.h b/src/mame/machine/news_hid.h
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+// license:BSD-3-Clause
+// copyright-holders:Patrick Mackinlay
+
+#ifndef MAME_MACHINE_NEWS_HID_H
+#define MAME_MACHINE_NEWS_HID_H
+
+#pragma once
+
+#include "machine/keyboard.h"
+
+class news_hid_hle_device
+ : public device_t
+ , public device_matrix_keyboard_interface<8U>
+{
+public:
+ news_hid_hle_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock = 0);
+
+ enum news_hid_device : unsigned
+ {
+ KEYBOARD = 0,
+ MOUSE = 1,
+ };
+ template <news_hid_device Device> auto irq_out() { return m_irq_out_cb[Device].bind(); }
+
+ void map(address_map &map);
+
+protected:
+ // device_t overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+ virtual ioport_constructor device_input_ports() const override;
+
+ // device_matrix_keyboard_interface overrides
+ virtual void key_make(u8 row, u8 column) override;
+ virtual void key_break(u8 row, u8 column) override;
+ virtual void scan_complete() override;
+
+private:
+ void push_key(u8 code);
+
+ template <news_hid_device Device> void out_irq(bool state);
+
+ template <news_hid_device Device> u8 status_r() { return (!m_fifo[Device].empty() ? 2 : 0) | (m_fifo[Device].full() ? 1 : 0); }
+ template <news_hid_device Device> u8 data_r();
+ template <news_hid_device Device> void reset_w(u8 data);
+ template <news_hid_device Device> void init_w(u8 data);
+
+ required_ioport m_mouse_x_axis;
+ required_ioport m_mouse_y_axis;
+ required_ioport m_mouse_buttons;
+
+ devcb_write_line::array<2> m_irq_out_cb;
+
+ util::fifo<u8, 8> m_fifo[2];
+ bool m_irq_out_state[2];
+
+ // mouse state
+ s16 m_mouse_x;
+ s16 m_mouse_y;
+ u8 m_mouse_b;
+ bool m_mouse_enable;
+};
+
+DECLARE_DEVICE_TYPE(NEWS_HID_HLE, news_hid_hle_device)
+
+#endif // MAME_MACHINE_NEWS_HID_H