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// license: GPL-2.0+
// copyright-holders: Dirk Best
/***************************************************************************
Einstein User Port
16-pin slot
+5V 1 2 D0
GND 3 4 D1
BRDY 5 6 D2
GND 7 8 D3
GND 9 10 D4
/BSTB 11 12 D5
GND 13 14 D6
+5V 15 16 D7
***************************************************************************/
#ifndef MAME_BUS_EINSTEIN_USERPORT_USERPORT_H
#define MAME_BUS_EINSTEIN_USERPORT_USERPORT_H
#pragma once
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_EINSTEIN_USERPORT_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, EINSTEIN_USERPORT, 0) \
MCFG_DEVICE_SLOT_INTERFACE(einstein_userport_cards, nullptr, false)
#define MCFG_EINSTEIN_USERPORT_BSTB_HANDLER(_devcb) \
devcb = &einstein_userport_device::set_bstb_handler(*device, DEVCB_##_devcb);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class device_einstein_userport_interface;
class einstein_userport_device : public device_t, public device_slot_interface
{
public:
// construction/destruction
einstein_userport_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~einstein_userport_device();
// callbacks
template <class Object> static devcb_base &set_bstb_handler(device_t &device, Object &&cb)
{ return downcast<einstein_userport_device &>(device).m_bstb_handler.set_callback(std::forward<Object>(cb)); }
// called from card device
DECLARE_WRITE_LINE_MEMBER( bstb_w ) { m_bstb_handler(state); }
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER (write );
DECLARE_WRITE_LINE_MEMBER( brdy_w );
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
device_einstein_userport_interface *m_card;
private:
devcb_write_line m_bstb_handler;
};
// class representing interface-specific live userport device
class device_einstein_userport_interface : public device_slot_card_interface
{
public:
// construction/destruction
virtual ~device_einstein_userport_interface();
virtual uint8_t read() { return 0xff; }
virtual void write(uint8_t data) { }
virtual void brdy_w(int state) { }
protected:
device_einstein_userport_interface(const machine_config &mconfig, device_t &device);
einstein_userport_device *m_slot;
};
// device type definition
DECLARE_DEVICE_TYPE(EINSTEIN_USERPORT, einstein_userport_device)
// supported devices
SLOT_INTERFACE_EXTERN(einstein_userport_cards);
#endif // MAME_BUS_EINSTEIN_USERPORT_USERPORT_H
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