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// 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() override;
virtual void device_config_complete() override { update_names(); }
// image-level overrides
virtual image_init_result call_load() override;
virtual const software_list_loader &get_software_list_loader() const override { return rom_software_list_loader::instance(); }
virtual iodevice_t image_type() const override { return IO_CARTSLOT; }
virtual bool is_readable() const override { return 1; }
virtual bool is_writeable() const override { return 0; }
virtual bool is_creatable() const override { return 0; }
virtual bool must_be_loaded() const override { return 0; }
virtual bool is_reset_on_load() const override { return 1; }
virtual const char *image_interface() const override { return "datach_cart"; }
virtual const char *file_extensions() const override { return "nes,bin"; }
// slot interface overrides
virtual std::string get_default_card_software() override;
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, nullptr, 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 tiny_rom_entry *device_rom_region() const override;
virtual UINT8* get_cart_base();
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
};
// ======================> 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 override;
};
// 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() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
virtual machine_config_constructor device_mconfig_additions() const override;
virtual DECLARE_READ8_MEMBER(read_m) override;
virtual DECLARE_READ8_MEMBER(read_h) override;
virtual DECLARE_WRITE8_MEMBER(write_h) override;
virtual void pcb_reset() override;
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
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