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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
#ifndef MAME_BUS_ASTROCDE_ACCESSORY_H
#define MAME_BUS_ASTROCDE_ACCESSORY_H
#pragma once
#include "screen.h"
/***************************************************************************
FORWARD DECLARATIONS
***************************************************************************/
class device_astrocade_accessory_interface;
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
// ======================> astrocade_accessory_port_device
class astrocade_accessory_port_device : public device_t, public device_single_card_slot_interface<device_astrocade_accessory_interface>
{
public:
// construction/destruction
template <typename T, typename U>
astrocade_accessory_port_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&screen_tag, U &&opts, char const *dflt)
: astrocade_accessory_port_device(mconfig, tag, owner, 0U)
{
m_screen.set_tag(std::forward<T>(screen_tag));
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
}
astrocade_accessory_port_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock = 0U);
virtual ~astrocade_accessory_port_device();
auto ltpen_handler() { return m_ltpen_handler.bind(); }
protected:
// device_t implementation
virtual void device_resolve_objects() override;
virtual void device_start() override;
int m_ltpen;
devcb_write_line m_ltpen_handler;
required_device<screen_device> m_screen;
private:
device_astrocade_accessory_interface *m_device;
friend class device_astrocade_accessory_interface;
};
// ======================> device_astrocade_accessory_interface
class device_astrocade_accessory_interface : public device_interface
{
public:
virtual ~device_astrocade_accessory_interface();
DECLARE_WRITE_LINE_MEMBER( write_ltpen ) { m_port->m_ltpen = state; m_port->m_ltpen_handler(state); }
protected:
device_astrocade_accessory_interface(machine_config const &mconfig, device_t &device);
// device_interface implementation
virtual void interface_validity_check(validity_checker &valid) const override ATTR_COLD;
virtual void interface_pre_start() override;
void set_screen(screen_device *screen) { m_screen = screen; }
screen_device *m_screen;
private:
astrocade_accessory_port_device *const m_port;
friend class astrocade_accessory_port_device;
};
/***************************************************************************
FUNCTIONS
***************************************************************************/
void astrocade_accessories(device_slot_interface &device);
/***************************************************************************
DEVICE TYPES
***************************************************************************/
DECLARE_DEVICE_TYPE(ASTROCADE_ACCESSORY_PORT, astrocade_accessory_port_device)
#endif // MAME_BUS_ASTROCDE_ACCESSORY_H
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