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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/*********************************************************************
kc.h
KC85_2/3/4/5 expansion slot emulation
*********************************************************************/
#ifndef __KCEXP_H__
#define __KCEXP_H__
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
// ======================> kcext_interface
struct kcexp_interface
{
devcb_write_line m_out_irq_cb;
devcb_write_line m_out_nmi_cb;
devcb_write_line m_out_halt_cb;
};
// ======================> device_kcexp_interface
class device_kcexp_interface : public device_slot_card_interface
{
public:
// construction/destruction
device_kcexp_interface(const machine_config &mconfig, device_t &device);
virtual ~device_kcexp_interface();
// reading and writing
virtual UINT8 module_id_r() { return 0xff; }
virtual void control_w(UINT8 data) { }
virtual void read(offs_t offset, UINT8 &data) { }
virtual void write(offs_t offset, UINT8 data) { }
virtual void io_read(offs_t offset, UINT8 &data) { }
virtual void io_write(offs_t offset, UINT8 data) { }
virtual UINT8* get_cart_base() { return NULL; }
virtual DECLARE_WRITE_LINE_MEMBER( mei_w ) { };
};
// ======================> kcexp_slot_device
class kcexp_slot_device : public device_t,
public kcexp_interface,
public device_slot_interface
{
public:
// construction/destruction
kcexp_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
kcexp_slot_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 ~kcexp_slot_device();
// device-level overrides
virtual void device_start();
virtual void device_config_complete();
// inline configuration
static void static_set_next_slot(device_t &device, const char *next_module_tag);
// reading and writing
virtual UINT8 module_id_r();
virtual void control_w(UINT8 data);
virtual void read(offs_t offset, UINT8 &data);
virtual void write(offs_t offset, UINT8 data);
virtual void io_read(offs_t offset, UINT8 &data);
virtual void io_write(offs_t offset, UINT8 data);
virtual DECLARE_WRITE_LINE_MEMBER( mei_w );
virtual DECLARE_WRITE_LINE_MEMBER( meo_w );
devcb_resolved_write_line m_out_irq_func;
devcb_resolved_write_line m_out_nmi_func;
devcb_resolved_write_line m_out_halt_func;
device_kcexp_interface* m_cart;
const char* m_next_slot_tag;
kcexp_slot_device* m_next_slot;
};
// ======================> kccart_slot_device
class kccart_slot_device : public kcexp_slot_device,
public device_image_interface
{
public:
// construction/destruction
kccart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual ~kccart_slot_device();
// device-level overrides
virtual void device_config_complete();
// image-level overrides
virtual bool call_load();
virtual bool call_softlist_load(char *swlist, char *swname, rom_entry *start_entry);
virtual iodevice_t image_type() const { return IO_CARTSLOT; }
virtual bool is_readable() const { return 1; }
virtual bool is_writeable() const { return 0; }
virtual bool is_creatable() const { return 0; }
virtual bool must_be_loaded() const { return 0; }
virtual bool is_reset_on_load() const { return 1; }
virtual const char *image_interface() const { return "kc_cart"; }
virtual const char *file_extensions() const { return "bin"; }
virtual const option_guide *create_option_guide() const { return NULL; }
// slot interface overrides
virtual const char * get_default_card_software(const machine_config &config, emu_options &options);
};
// device type definition
extern const device_type KCEXP_SLOT;
extern const device_type KCCART_SLOT;
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define MCFG_KC85_EXPANSION_ADD(_tag,_next_slot_tag,_config,_slot_intf,_def_slot) \
MCFG_DEVICE_ADD(_tag, KCEXP_SLOT, 0) \
MCFG_DEVICE_CONFIG(_config) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \
kcexp_slot_device::static_set_next_slot(*device, _next_slot_tag);
#define MCFG_KC85_CARTRIDGE_ADD(_tag,_next_slot_tag,_config,_slot_intf,_def_slot) \
MCFG_DEVICE_ADD(_tag, KCCART_SLOT, 0) \
MCFG_DEVICE_CONFIG(_config) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \
kcexp_slot_device::static_set_next_slot(*device, _next_slot_tag);
#endif /* __KCEXP_H__ */
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