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-rw-r--r--src/devices/bus/interpro/keyboard/lle.h55
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diff --git a/src/devices/bus/interpro/keyboard/lle.h b/src/devices/bus/interpro/keyboard/lle.h
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+++ b/src/devices/bus/interpro/keyboard/lle.h
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+// license:BSD-3-Clause
+// copyright-holders:Patrick Mackinlay
+#ifndef MAME_DEVICES_INTERPRO_KEYBOARD_LLE_H
+#define MAME_DEVICES_INTERPRO_KEYBOARD_LLE_H
+
+#pragma once
+
+#include "keyboard.h"
+
+#include "machine/keyboard.h"
+#include "sound/spkrdev.h"
+
+namespace bus { namespace interpro { namespace keyboard {
+
+class lle_device_base
+ : public device_t
+ , public device_interpro_keyboard_port_interface
+ , protected device_matrix_keyboard_interface<5U>
+{
+public:
+ virtual DECLARE_WRITE_LINE_MEMBER(input_txd) override;
+
+protected:
+ // constructor/destructor
+ lle_device_base(machine_config const &mconfig, device_type type, char const *tag, device_t *owner, u32 clock);
+
+ // device overrides
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual void device_start() override;
+ virtual void device_reset() override;
+ //virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
+
+ // device_matrix_keyboard_interface overrides
+ virtual void key_make(u8 row, u8 column) override {};
+ virtual void key_break(u8 row, u8 column) override {};
+
+private:
+ required_device<cpu_device> m_mcu;
+ required_device<speaker_sound_device> m_bell;
+};
+
+class lle_en_us_device : public lle_device_base
+{
+public:
+ lle_en_us_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock);
+
+ virtual ioport_constructor device_input_ports() const override;
+ virtual tiny_rom_entry const *device_rom_region() const override;
+};
+
+} } } // namespace bus::interpro::keyboard
+
+DECLARE_DEVICE_TYPE_NS(INTERPRO_LLE_EN_US_KEYBOARD, bus::interpro::keyboard, lle_en_us_device)
+
+#endif // MAME_DEVICES_INTERPRO_KEYBOARD_LLE_H