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// license:BSD-3-Clause
// copyright-holders:Sergey Svishchev
#ifndef MAME_MACHINE_KM035_H
#define MAME_MACHINE_KM035_H
#pragma once
#include "cpu/mcs48/mcs48.h"
#include "sound/beep.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> km035_device
class km035_device : public device_t
{
public:
// construction/destruction
km035_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
auto tx_handler() { return m_tx_handler.bind(); }
auto rts_handler() { return m_rts_handler.bind(); }
DECLARE_WRITE_LINE_MEMBER( write_rxd );
void km035_map(address_map &map);
protected:
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual ioport_constructor device_input_ports() const override;
virtual void device_start() override;
virtual void device_reset() override;
private:
required_device<i8035_device> m_maincpu;
required_device<beep_device> m_speaker;
required_ioport_array<16> m_kbd;
int m_keylatch; // keyboard row latch
uint8_t m_p1;
uint8_t m_p2;
uint8_t m_rx;
devcb_write_line m_tx_handler;
devcb_write_line m_rts_handler;
void bus_w(uint8_t data);
void p1_w(uint8_t data);
void p2_w(uint8_t data);
uint8_t p1_r();
uint8_t p2_r();
DECLARE_READ_LINE_MEMBER( t0_r );
DECLARE_READ_LINE_MEMBER( t1_r );
};
// device type definition
DECLARE_DEVICE_TYPE(KM035, km035_device)
#endif // MAME_MACHINE_KM035_H
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