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// license:BSD-3-Clause
// copyright-holders:Sergey Svishchev
/**********************************************************************
K7659 keyboard emulation
*********************************************************************/
#ifndef MAME_MACHINE_K7659KB_H
#define MAME_MACHINE_K7659KB_H
#pragma once
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define K7659_KEYBOARD_TAG "k7659kb"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> k7659_keyboard_device
class k7659_keyboard_device : public device_t
{
public:
// construction/destruction
k7659_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
uint8_t read();
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
TIMER_CALLBACK_MEMBER(scan_keyboard);
emu_timer *m_timer = nullptr;
private:
required_ioport_array<12> m_keys;
uint8_t key_pos(uint8_t val);
uint8_t m_lookup = 0;
uint8_t m_key = 0;
const uint8_t *m_p_rom = nullptr;
};
// device type definition
DECLARE_DEVICE_TYPE(K7659_KEYBOARD, k7659_keyboard_device)
#endif // MAME_MACHINE_K7659KB_H
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