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Diffstat (limited to 'src/emu/bus/vectrex/slot.h')
-rw-r--r-- | src/emu/bus/vectrex/slot.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/emu/bus/vectrex/slot.h b/src/emu/bus/vectrex/slot.h new file mode 100644 index 00000000000..912a2147e54 --- /dev/null +++ b/src/emu/bus/vectrex/slot.h @@ -0,0 +1,114 @@ +#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 |