summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/wswan/slot.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/wswan/slot.h')
-rw-r--r--src/devices/bus/wswan/slot.h131
1 files changed, 131 insertions, 0 deletions
diff --git a/src/devices/bus/wswan/slot.h b/src/devices/bus/wswan/slot.h
new file mode 100644
index 00000000000..87ac47a2a97
--- /dev/null
+++ b/src/devices/bus/wswan/slot.h
@@ -0,0 +1,131 @@
+// license:BSD-3-Clause
+// copyright-holders:Wilbert Pol
+#ifndef __WS_SLOT_H
+#define __WS_SLOT_H
+
+/***************************************************************************
+ TYPE DEFINITIONS
+ ***************************************************************************/
+
+
+/* PCB */
+enum
+{
+ WS_STD = 0,
+ WS_SRAM,
+ WS_EEPROM
+};
+
+
+// ======================> device_ws_cart_interface
+
+class device_ws_cart_interface : public device_slot_card_interface
+{
+public:
+ // construction/destruction
+ device_ws_cart_interface(const machine_config &mconfig, device_t &device);
+ virtual ~device_ws_cart_interface();
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_rom20) { return 0xff; }
+ virtual DECLARE_READ8_MEMBER(read_rom30) { return 0xff; }
+ virtual DECLARE_READ8_MEMBER(read_rom40) { return 0xff; }
+ virtual DECLARE_READ8_MEMBER(read_ram) { return 0xff; }
+ virtual DECLARE_WRITE8_MEMBER(write_ram) {}
+ virtual DECLARE_READ8_MEMBER(read_io) { return 0xff; }
+ virtual DECLARE_WRITE8_MEMBER(write_io) {}
+
+ void rom_alloc(UINT32 size, const char *tag);
+ void nvram_alloc(UINT32 size);
+ UINT8* get_rom_base() { return m_rom; }
+ UINT8* get_nvram_base() { return &m_nvram[0]; }
+ UINT32 get_rom_size() { return m_rom_size; }
+ UINT32 get_nvram_size() { return m_nvram.size(); }
+
+ void save_nvram() { device().save_item(NAME(m_nvram)); }
+ void set_has_rtc(bool val) { m_has_rtc = val; }
+ void set_is_rotated(bool val) { m_is_rotated = val; }
+ int get_is_rotated() { return m_is_rotated ? 1 : 0; }
+
+protected:
+ // internal state
+ UINT8 *m_rom;
+ UINT32 m_rom_size;
+ dynamic_buffer m_nvram;
+ int m_bank_mask;
+
+ bool m_has_rtc, m_is_rotated;
+};
+
+
+// ======================> ws_cart_slot_device
+
+class ws_cart_slot_device : public device_t,
+ public device_image_interface,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ ws_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~ws_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_is_rotated() { return m_cart->get_is_rotated(); }
+ int get_cart_type(UINT8 *ROM, UINT32 len, UINT32 &nvram_len);
+ void internal_header_logging(UINT8 *ROM, UINT32 offs, UINT32 len);
+
+ void save_nvram() { if (m_cart && m_cart->get_nvram_size()) m_cart->save_nvram(); }
+
+ 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 "wswan_cart"; }
+ virtual const char *file_extensions() const { return "ws,wsc,bin"; }
+
+ // slot interface overrides
+ virtual void get_default_card_software(std::string &result);
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_rom20);
+ virtual DECLARE_READ8_MEMBER(read_rom30);
+ virtual DECLARE_READ8_MEMBER(read_rom40);
+ virtual DECLARE_READ8_MEMBER(read_ram);
+ virtual DECLARE_WRITE8_MEMBER(write_ram);
+ virtual DECLARE_READ8_MEMBER(read_io);
+ virtual DECLARE_WRITE8_MEMBER(write_io);
+
+protected:
+
+ int m_type;
+ device_ws_cart_interface* m_cart;
+};
+
+
+
+// device type definition
+extern const device_type WS_CART_SLOT;
+
+
+/***************************************************************************
+ DEVICE CONFIGURATION MACROS
+ ***************************************************************************/
+
+#define WSSLOT_ROM_REGION_TAG ":cart:rom"
+
+#define MCFG_WSWAN_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot) \
+ MCFG_DEVICE_ADD(_tag, WS_CART_SLOT, 0) \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false)
+#endif