// license:BSD-3-Clause // copyright-holders:etabeta #ifndef __VECTREX_SLOT_H #define __VECTREX_SLOT_H /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ /* PCB */ enum { VECTREX_STD = 0, VECTREX_64K, VECTREX_SRAM }; // 3D setup enum { VEC3D_NONE = 0, VEC3D_MINEST, VEC3D_CCOAST, VEC3D_NARROW }; // ======================> device_vectrex_cart_interface class device_vectrex_cart_interface : public device_slot_card_interface { public: // construction/destruction device_vectrex_cart_interface(const machine_config &mconfig, device_t &device); virtual ~device_vectrex_cart_interface(); // reading and writing virtual DECLARE_READ8_MEMBER(read_rom) { return 0xff; } virtual DECLARE_WRITE8_MEMBER(write_ram) {} virtual DECLARE_WRITE8_MEMBER(write_bank) {} void rom_alloc(UINT32 size, const char *tag); UINT8* get_rom_base() { return m_rom; } UINT32 get_rom_size() { return m_rom_size; } protected: // internal state UINT8 *m_rom; UINT32 m_rom_size; }; // ======================> vectrex_cart_slot_device class vectrex_cart_slot_device : public device_t, public device_image_interface, public device_slot_interface { public: // construction/destruction vectrex_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); virtual ~vectrex_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_vec3d() { return m_vec3d; } 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 "vectrex_cart"; } virtual const char *file_extensions() const { return "bin,gam,vec"; } // slot interface overrides virtual void get_default_card_software(astring &result); // reading and writing virtual DECLARE_READ8_MEMBER(read_rom); virtual DECLARE_WRITE8_MEMBER(write_ram); virtual DECLARE_WRITE8_MEMBER(write_bank); protected: int m_type, m_vec3d; device_vectrex_cart_interface* m_cart; }; // device type definition extern const device_type VECTREX_CART_SLOT; /*************************************************************************** DEVICE CONFIGURATION MACROS ***************************************************************************/ #define VECSLOT_ROM_REGION_TAG ":cart:rom" #define MCFG_VECTREX_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot) \ MCFG_DEVICE_ADD(_tag, VECTREX_CART_SLOT, 0) \ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) #endif