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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
MTX expansion emulation
**********************************************************************/
#ifndef MAME_BUS_MTX_EXP_H
#define MAME_BUS_MTX_EXP_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> mtx_exp_slot_device
class device_mtx_exp_interface;
class mtx_exp_slot_device : public device_t, public device_slot_interface
{
public:
// construction/destruction
template <typename T>
mtx_exp_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&slot_options, const char *default_option)
: mtx_exp_slot_device(mconfig, tag, owner)
{
option_reset();
slot_options(*this);
set_default_option(default_option);
set_fixed(false);
}
mtx_exp_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock = 0);
void set_program_space(address_space *program);
void set_io_space(address_space *io);
// callbacks
auto busreq_handler() { return m_busreq_handler.bind(); }
auto int_handler() { return m_int_handler.bind(); }
auto nmi_handler() { return m_nmi_handler.bind(); }
DECLARE_WRITE_LINE_MEMBER( busreq_w ) { m_busreq_handler(state); }
DECLARE_WRITE_LINE_MEMBER( int_w ) { m_int_handler(state); }
DECLARE_WRITE_LINE_MEMBER( nmi_w ) { m_nmi_handler(state); }
address_space *m_program;
address_space *m_io;
protected:
// device-level overrides
virtual void device_validity_check(validity_checker &valid) const override;
virtual void device_start() override;
virtual void device_reset() override;
device_mtx_exp_interface *m_card;
private:
devcb_write_line m_busreq_handler;
devcb_write_line m_int_handler;
devcb_write_line m_nmi_handler;
};
// ======================> device_mtx_exp_interface
class device_mtx_exp_interface : public device_slot_card_interface
{
public:
// construction/destruction
device_mtx_exp_interface(const machine_config &mconfig, device_t &device);
protected:
address_space &program_space() { return *m_slot->m_program; }
address_space &io_space() { return *m_slot->m_io; }
mtx_exp_slot_device *m_slot;
};
// device type definition
DECLARE_DEVICE_TYPE(MTX_EXP_SLOT, mtx_exp_slot_device)
void mtx_expansion_devices(device_slot_interface &device);
#endif // MAME_BUS_MTX_EXP_H
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