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// license:BSD-3-Clause
// copyright-holders:F. Ulivi
//
#ifndef _RS232_PTY_H_
#define _RS232_PTY_H_

#include "rs232.h"

class pseudo_terminal_device : public device_t,
                               public device_serial_interface,
                               public device_rs232_port_interface,
                               public device_pty_interface
{
public:
        pseudo_terminal_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);

        virtual DECLARE_WRITE_LINE_MEMBER( input_txd ) {
                device_serial_interface::rx_w(state);
        }

        DECLARE_WRITE_LINE_MEMBER(update_serial);

protected:
        virtual ioport_constructor device_input_ports() const;
        virtual void device_start();
        virtual void device_stop();
        virtual void device_reset();
        virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);

        virtual void tra_callback();
        virtual void tra_complete();
        virtual void rcv_complete();

private:
        required_ioport m_rs232_txbaud;
        required_ioport m_rs232_rxbaud;
        required_ioport m_rs232_startbits;
        required_ioport m_rs232_databits;
        required_ioport m_rs232_parity;
        required_ioport m_rs232_stopbits;

        UINT8 m_input_buffer[ 1024 ];
        UINT32 m_input_count;
        UINT32 m_input_index;
        emu_timer *m_timer_poll;

        void queue(void);
};

extern const device_type PSEUDO_TERMINAL;

#endif /* _RS232_PTY_H_ */