summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/nes/datach.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/nes/datach.h')
-rw-r--r--src/devices/bus/nes/datach.h170
1 files changed, 170 insertions, 0 deletions
diff --git a/src/devices/bus/nes/datach.h b/src/devices/bus/nes/datach.h
new file mode 100644
index 00000000000..b804c079a6f
--- /dev/null
+++ b/src/devices/bus/nes/datach.h
@@ -0,0 +1,170 @@
+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
+#ifndef __NES_DATACH_H
+#define __NES_DATACH_H
+
+#include "bandai.h"
+#include "machine/i2cmem.h"
+#include "machine/bcreader.h"
+
+//--------------------------------
+//
+// Datach Cartslot implementation
+//
+//--------------------------------
+
+// ======================> datach_cart_interface
+
+class datach_cart_interface : public device_slot_card_interface
+{
+public:
+ // construction/destruction
+ datach_cart_interface(const machine_config &mconfig, device_t &device);
+ virtual ~datach_cart_interface();
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read);
+
+ UINT8 *get_cart_base() { return m_rom; }
+ void write_prg_bank(UINT8 bank) { m_bank = bank; }
+
+ optional_device<i2cmem_device> m_i2cmem;
+
+protected:
+ // internal state
+ UINT8 *m_rom;
+ // ROM is accessed via two 16K banks, but only the first one can be switched
+ UINT8 m_bank;
+};
+
+// ======================> nes_datach_slot_device
+
+class nes_datach_slot_device : public device_t,
+ public device_image_interface,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ nes_datach_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~nes_datach_slot_device();
+
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_config_complete() { update_names(); }
+
+ // image-level overrides
+ virtual bool call_load();
+ virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry);
+
+ 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 char *image_interface() const { return "datach_cart"; }
+ virtual const char *file_extensions() const { return "nes,bin"; }
+ virtual const option_guide *create_option_guide() const { return NULL; }
+
+ // slot interface overrides
+ virtual void get_default_card_software(std::string &result);
+
+ virtual DECLARE_READ8_MEMBER(read);
+ void write_prg_bank(UINT8 bank) { if (m_cart) m_cart->write_prg_bank(bank); }
+
+ datach_cart_interface* m_cart;
+};
+
+// device type definition
+extern const device_type NES_DATACH_SLOT;
+
+
+#define MCFG_DATACH_MINICART_ADD(_tag, _slot_intf) \
+ MCFG_DEVICE_ADD(_tag, NES_DATACH_SLOT, 0) \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, NULL, false)
+
+
+//--------------------------------
+//
+// Datach Minicart implementation
+//
+//--------------------------------
+
+// ======================> nes_datach_rom_device
+
+class nes_datach_rom_device : public device_t,
+ public datach_cart_interface
+{
+public:
+ // construction/destruction
+ nes_datach_rom_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
+ nes_datach_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual UINT8* get_cart_base();
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+};
+
+// ======================> nes_datach_24c01_device
+
+class nes_datach_24c01_device : public nes_datach_rom_device
+{
+public:
+ // construction/destruction
+ nes_datach_24c01_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+};
+
+// device type definition
+extern const device_type NES_DATACH_ROM;
+extern const device_type NES_DATACH_24C01;
+
+
+//---------------------------------
+//
+// Datach Base Unit implementation
+//
+//---------------------------------
+
+// ======================> nes_datach_device
+
+class nes_datach_device : public nes_lz93d50_device
+{
+public:
+ // construction/destruction
+ nes_datach_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual DECLARE_READ8_MEMBER(read_m);
+ virtual DECLARE_READ8_MEMBER(read_h);
+ virtual DECLARE_WRITE8_MEMBER(write_h);
+
+ virtual void pcb_reset();
+
+protected:
+ UINT8 m_datach_latch;
+ required_device<i2cmem_device> m_i2cmem;
+ required_device<barcode_reader_device> m_reader;
+ required_device<nes_datach_slot_device> m_subslot;
+ UINT8 m_i2c_dir;
+ UINT8 m_i2c_in_use;
+
+ static const device_timer_id TIMER_SERIAL = 1;
+ emu_timer *serial_timer;
+};
+
+
+// device type definition
+extern const device_type NES_DATACH;
+
+#endif