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// license:BSD-3-Clause
// copyright-holders:etabeta
#ifndef __VBOY_SLOT_H
#define __VBOY_SLOT_H
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
/* PCB */
enum
{
VBOY_STD = 0,
VBOY_EEPROM
};
// ======================> device_vboy_cart_interface
class device_vboy_cart_interface : public device_slot_card_interface
{
public:
// construction/destruction
device_vboy_cart_interface(const machine_config &mconfig, device_t &device);
virtual ~device_vboy_cart_interface();
// reading and writing
virtual DECLARE_READ32_MEMBER(read_cart) { return 0xffffffff; }
virtual DECLARE_READ32_MEMBER(read_eeprom) { return 0xffffffff; }
virtual DECLARE_WRITE32_MEMBER(write_eeprom) {}
void rom_alloc(UINT32 size, const char *tag);
void eeprom_alloc(UINT32 size);
UINT32* get_rom_base() { return m_rom; }
UINT32* get_eeprom_base() { return m_eeprom; }
UINT32 get_rom_size() { return m_rom_size; }
UINT32 get_eeprom_size() { return m_eeprom.count(); }
void save_eeprom() { device().save_item(NAME(m_eeprom)); }
protected:
// internal state
UINT32 *m_rom;
UINT32 m_rom_size;
UINT32 m_rom_mask;
dynamic_array<UINT32> m_eeprom;
};
// ======================> vboy_cart_slot_device
class vboy_cart_slot_device : public device_t,
public device_image_interface,
public device_slot_interface
{
public:
// construction/destruction
vboy_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual ~vboy_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(software_list_device &swlist, const char *swname, const rom_entry *start_entry);
int get_type() { return m_type; }
int get_cart_type(UINT8 *ROM, UINT32 len);
void save_eeprom() { if (m_cart && m_cart->get_eeprom_size()) m_cart->save_eeprom(); }
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 1; }
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 "vboy_cart"; }
virtual const char *file_extensions() const { return "vb,bin"; }
// slot interface overrides
virtual void get_default_card_software(astring &result);
// reading and writing
virtual DECLARE_READ32_MEMBER(read_cart);
virtual DECLARE_READ32_MEMBER(read_eeprom);
virtual DECLARE_WRITE32_MEMBER(write_eeprom);
protected:
int m_type;
device_vboy_cart_interface* m_cart;
};
// device type definition
extern const device_type VBOY_CART_SLOT;
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define VBOYSLOT_ROM_REGION_TAG ":cart:rom"
#define MCFG_VBOY_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot) \
MCFG_DEVICE_ADD(_tag, VBOY_CART_SLOT, 0) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \
#endif
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