diff options
Diffstat (limited to 'src/devices/bus/vboy/slot.h')
-rw-r--r-- | src/devices/bus/vboy/slot.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/devices/bus/vboy/slot.h b/src/devices/bus/vboy/slot.h new file mode 100644 index 00000000000..e865eece213 --- /dev/null +++ b/src/devices/bus/vboy/slot.h @@ -0,0 +1,115 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +#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[0]; } + UINT32 get_rom_size() { return m_rom_size; } + UINT32 get_eeprom_size() { return m_eeprom.size(); } + + void save_eeprom() { device().save_item(NAME(m_eeprom)); } + +protected: + // internal state + UINT32 *m_rom; + UINT32 m_rom_size; + UINT32 m_rom_mask; + std::vector<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(std::string &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 |