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#ifndef __SAT_SLOT_H
#define __SAT_SLOT_H
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
// ======================> device_sat_cart_interface
class device_sat_cart_interface : public device_slot_card_interface
{
public:
// construction/destruction
device_sat_cart_interface(const machine_config &mconfig, device_t &device);
virtual ~device_sat_cart_interface();
// reading from ROM
virtual DECLARE_READ32_MEMBER(read_rom) { return 0xffffffff; }
// reading and writing to Extended DRAM chips
virtual DECLARE_READ32_MEMBER(read_ext_dram0) { return 0xffffffff; }
virtual DECLARE_WRITE32_MEMBER(write_ext_dram0) {}
virtual DECLARE_READ32_MEMBER(read_ext_dram1) { return 0xffffffff; }
virtual DECLARE_WRITE32_MEMBER(write_ext_dram1) {}
// reading and writing to Extended BRAM chip
virtual DECLARE_READ32_MEMBER(read_ext_bram) { return 0xffffffff; }
virtual DECLARE_WRITE32_MEMBER(write_ext_bram) {}
virtual int get_cart_type() { return m_cart_type; };
void rom_alloc(running_machine &machine, UINT32 size);
UINT32* get_rom_base() { return m_rom; }
UINT32* get_ext_dram0_base() { return m_ext_dram0; }
UINT32* get_ext_dram1_base() { return m_ext_dram1; }
UINT8* get_ext_bram_base() { return m_ext_bram; }
UINT32 get_rom_size() { return m_rom_size; }
UINT32 get_ext_dram0_size() { return m_ext_dram0_size; }
UINT32 get_ext_dram1_size() { return m_ext_dram1_size; }
UINT32 get_ext_bram_size() { return m_ext_bram_size; }
protected:
int m_cart_type;
// internal state
UINT32 *m_rom;
UINT32 *m_ext_dram0;
UINT32 *m_ext_dram1;
UINT8 *m_ext_bram;
UINT32 m_rom_size;
UINT32 m_ext_dram0_size;
UINT32 m_ext_dram1_size;
UINT32 m_ext_bram_size;
};
// ======================> sat_cart_slot_device
class sat_cart_slot_device : public device_t,
public device_image_interface,
public device_slot_interface
{
public:
// construction/destruction
sat_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual ~sat_cart_slot_device();
// device-level overrides
virtual void device_start();
virtual void device_config_complete();
// image-level overrides
virtual bool call_load();
virtual void call_unload();
virtual bool call_softlist_load(char *swlist, char *swname, rom_entry *start_entry);
int get_cart_type();
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 option_guide *create_option_guide() const { return NULL; }
virtual const char *image_interface() const { return "sat_cart"; }
virtual const char *file_extensions() const { return "bin"; }
// slot interface overrides
virtual const char * get_default_card_software(const machine_config &config, emu_options &options);
// reading and writing
virtual DECLARE_READ32_MEMBER(read_rom);
virtual DECLARE_READ32_MEMBER(read_ext_dram0);
virtual DECLARE_WRITE32_MEMBER(write_ext_dram0);
virtual DECLARE_READ32_MEMBER(read_ext_dram1);
virtual DECLARE_WRITE32_MEMBER(write_ext_dram1);
virtual DECLARE_READ32_MEMBER(read_ext_bram);
virtual DECLARE_WRITE32_MEMBER(write_ext_bram);
private:
device_sat_cart_interface* m_cart;
};
// device type definition
extern const device_type SATURN_CART_SLOT;
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define MCFG_SATURN_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot) \
MCFG_DEVICE_ADD(_tag, SATURN_CART_SLOT, 0) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false)
#endif
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