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// license:BSD-3-Clause
// copyright-holders:AJR
/**********************************************************************
SWTPC SS-50 I/O port interface
**********************************************************************/
#pragma once
#ifndef MAME_DEVICES_BUS_SS50_INTERFACE_H
#define MAME_DEVICES_BUS_SS50_INTERFACE_H
//**************************************************************************
// CONFIGURATION MACROS
//**************************************************************************
#define MCFG_SS50_INTERFACE_PORT_ADD(_tag, _slot_intf, _def_slot) \
MCFG_DEVICE_ADD(_tag, SS50_INTERFACE, 0) \
MCFG_DEVICE_SLOT_INTERFACE(ss50_##_slot_intf, _def_slot, false)
#define MCFG_SS50_INTERFACE_IRQ_CALLBACK(_devcb) \
devcb = &ss50_interface_port_device::set_irq_cb(*device, DEVCB_##_devcb);
#define MCFG_SS50_INTERFACE_FIRQ_CALLBACK(_devcb) \
devcb = &ss50_interface_port_device::set_firq_cb(*device, DEVCB_##_devcb);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// forward declarations
class ss50_card_interface;
// ======================> ss50_interface_port_device
class ss50_interface_port_device : public device_t, public device_slot_interface
{
friend class ss50_card_interface;
public:
// construction/destruction
ss50_interface_port_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
// static configuration
template<class Object> static devcb_base &set_irq_cb(device_t &device, Object &&object) { return downcast<ss50_interface_port_device &>(device).m_irq_cb.set_callback(std::forward<Object>(object)); }
template<class Object> static devcb_base &set_firq_cb(device_t &device, Object &&object) { return downcast<ss50_interface_port_device &>(device).m_firq_cb.set_callback(std::forward<Object>(object)); }
// memory accesses
DECLARE_READ8_MEMBER(read);
DECLARE_WRITE8_MEMBER(write);
// baud rates
DECLARE_WRITE_LINE_MEMBER(f110_w);
DECLARE_WRITE_LINE_MEMBER(f150_9600_w);
DECLARE_WRITE_LINE_MEMBER(f300_w);
DECLARE_WRITE_LINE_MEMBER(f600_4800_w);
DECLARE_WRITE_LINE_MEMBER(f600_1200_w);
protected:
// device-specific overrides
virtual void device_resolve_objects() override;
virtual void device_start() override;
private:
// output callbacks
devcb_write_line m_irq_cb;
devcb_write_line m_firq_cb;
ss50_card_interface *m_card;
};
// ======================> ss50_card_interface
class ss50_card_interface : public device_slot_card_interface
{
friend class ss50_interface_port_device;
protected:
// construction/destruction
ss50_card_interface(const machine_config &mconfig, device_t &device);
// required overrides
virtual DECLARE_READ8_MEMBER(register_read) = 0;
virtual DECLARE_WRITE8_MEMBER(register_write) = 0;
// optional overrides
virtual DECLARE_WRITE_LINE_MEMBER(f110_w) { }
virtual DECLARE_WRITE_LINE_MEMBER(f150_9600_w) { }
virtual DECLARE_WRITE_LINE_MEMBER(f300_w) { }
virtual DECLARE_WRITE_LINE_MEMBER(f600_4800_w) { }
virtual DECLARE_WRITE_LINE_MEMBER(f600_1200_w) { }
// IRQ/FIRQ/NMI outputs
DECLARE_WRITE_LINE_MEMBER(write_irq) { m_slot->m_irq_cb(state); }
DECLARE_WRITE_LINE_MEMBER(write_firq) { m_slot->m_firq_cb(state); }
private:
ss50_interface_port_device *m_slot;
};
// device type definition
extern const device_type SS50_INTERFACE;
SLOT_INTERFACE_EXTERN(ss50_default_2rs_devices);
//SLOT_INTERFACE_EXTERN(ss50_default_4rs_devices);
#endif
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