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#ifndef __BUS_RS232_H__
#define __BUS_RS232_H__
#include "emu.h"
#define MCFG_RS232_PORT_ADD(_tag, _slot_intf, _def_slot) \
MCFG_DEVICE_ADD(_tag, RS232_PORT, 0) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false)
#define MCFG_RS232_RXD_HANDLER(_devcb) \
devcb = &rs232_port_device::set_rx_handler(*device, DEVCB2_##_devcb);
#define MCFG_RS232_DCD_HANDLER(_devcb) \
devcb = &rs232_port_device::set_dcd_handler(*device, DEVCB2_##_devcb);
#define MCFG_RS232_DSR_HANDLER(_devcb) \
devcb = &rs232_port_device::set_dsr_handler(*device, DEVCB2_##_devcb);
#define MCFG_RS232_RI_HANDLER(_devcb) \
devcb = &rs232_port_device::set_ri_handler(*device, DEVCB2_##_devcb);
#define MCFG_RS232_CTS_HANDLER(_devcb) \
devcb = &rs232_port_device::set_cts_handler(*device, DEVCB2_##_devcb);
class device_rs232_port_interface;
class rs232_port_device : public device_t,
public device_slot_interface
{
friend class device_rs232_port_interface;
public:
rs232_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
rs232_port_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
virtual ~rs232_port_device();
// static configuration helpers
template<class _Object> static devcb2_base &set_rx_handler(device_t &device, _Object object) { return downcast<rs232_port_device &>(device).m_rxd_handler.set_callback(object); }
template<class _Object> static devcb2_base &set_dcd_handler(device_t &device, _Object object) { return downcast<rs232_port_device &>(device).m_dcd_handler.set_callback(object); }
template<class _Object> static devcb2_base &set_dsr_handler(device_t &device, _Object object) { return downcast<rs232_port_device &>(device).m_dsr_handler.set_callback(object); }
template<class _Object> static devcb2_base &set_ri_handler(device_t &device, _Object object) { return downcast<rs232_port_device &>(device).m_ri_handler.set_callback(object); }
template<class _Object> static devcb2_base &set_cts_handler(device_t &device, _Object object) { return downcast<rs232_port_device &>(device).m_cts_handler.set_callback(object); }
DECLARE_WRITE_LINE_MEMBER( write_txd );
DECLARE_WRITE_LINE_MEMBER( write_dtr );
DECLARE_WRITE_LINE_MEMBER( write_rts );
DECLARE_READ_LINE_MEMBER( rxd_r ) { return m_rxd; }
DECLARE_READ_LINE_MEMBER( dcd_r ) { return m_dcd; }
DECLARE_READ_LINE_MEMBER( dsr_r ) { return m_dsr; }
DECLARE_READ_LINE_MEMBER( ri_r ) { return m_ri; }
DECLARE_READ_LINE_MEMBER( cts_r ) { return m_cts; }
protected:
virtual void device_start();
virtual void device_config_complete();
int m_rxd;
int m_dcd;
int m_dsr;
int m_ri;
int m_cts;
devcb2_write_line m_rxd_handler;
devcb2_write_line m_dcd_handler;
devcb2_write_line m_dsr_handler;
devcb2_write_line m_ri_handler;
devcb2_write_line m_cts_handler;
private:
device_rs232_port_interface *m_dev;
};
class device_rs232_port_interface: public device_slot_card_interface
{
friend class rs232_port_device;
public:
device_rs232_port_interface(const machine_config &mconfig, device_t &device);
virtual ~device_rs232_port_interface();
virtual DECLARE_WRITE_LINE_MEMBER( input_txd ) {}
virtual DECLARE_WRITE_LINE_MEMBER( input_dtr ) {}
virtual DECLARE_WRITE_LINE_MEMBER( input_rts ) {}
DECLARE_WRITE_LINE_MEMBER( output_rxd ) { m_port->m_rxd = state; m_port->m_rxd_handler(state); }
DECLARE_WRITE_LINE_MEMBER( output_dcd ) { m_port->m_dcd = state; m_port->m_dcd_handler(state); }
DECLARE_WRITE_LINE_MEMBER( output_dsr ) { m_port->m_dsr = state; m_port->m_dsr_handler(state); }
DECLARE_WRITE_LINE_MEMBER( output_ri ) { m_port->m_ri = state; m_port->m_ri_handler(state); }
DECLARE_WRITE_LINE_MEMBER( output_cts ) { m_port->m_cts = state; m_port->m_cts_handler(state); }
protected:
rs232_port_device *m_port;
};
extern const device_type RS232_PORT;
SLOT_INTERFACE_EXTERN( default_rs232_devices );
#endif
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