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// license:BSD-3-Clause
// copyright-holders:Sergey Svishchev
/**********************************************************************
EC-1841 92-key keyboard emulation
*********************************************************************/
#ifndef MAME_BUS_PC_KBD_EC1841_H
#define MAME_BUS_PC_KBD_EC1841_H
#pragma once
#include "pc_kbdc.h"
#include "cpu/mcs48/mcs48.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> ec_1841_keyboard_device
class ec_1841_keyboard_device : public device_t, public device_pc_kbd_interface
{
public:
// construction/destruction
ec_1841_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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;
// device_pc_kbd_interface overrides
virtual DECLARE_WRITE_LINE_MEMBER( clock_write ) override;
virtual DECLARE_WRITE_LINE_MEMBER( data_write ) override;
private:
void bus_w(uint8_t data);
uint8_t p1_r();
void p1_w(uint8_t data);
void p2_w(uint8_t data);
DECLARE_READ_LINE_MEMBER( t1_r );
required_device<i8048_device> m_maincpu;
required_ioport_array<16> m_kbd;
uint8_t m_bus;
uint8_t m_p1;
uint8_t m_p2;
int m_q;
};
// device type definition
DECLARE_DEVICE_TYPE(PC_KBD_EC_1841, ec_1841_keyboard_device)
#endif // MAME_BUS_PC_KBD_EC1841_H
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