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#ifndef __RS232_TERMINAL_H__
#define __RS232_TERMINAL_H__

#include "rs232.h"
#include "machine/terminal.h"


class serial_terminal_device : public generic_terminal_device,
	public device_serial_interface,
	public device_rs232_port_interface
{
public:
	serial_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 void device_start();
	virtual void device_reset();
	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
	virtual ioport_constructor device_input_ports() const;

	virtual void tra_callback();
	virtual void tra_complete();
	virtual void rcv_complete();
	virtual void send_key(UINT8 code);

	virtual DECLARE_WRITE_LINE_MEMBER( input_dtr ) { if (started()) { output_dsr(state); } }

private:
	required_ioport m_io_term_txbaud;
	required_ioport m_io_term_rxbaud;
	required_ioport m_io_term_startbits;
	required_ioport m_io_term_databits;
	required_ioport m_io_term_parity;
	required_ioport m_io_term_stopbits;

	UINT8 m_curr_key;
	bool m_key_valid;
};

extern const device_type SERIAL_TERMINAL;

#endif /* __RS232_TERMINAL_H__ */