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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
#ifndef MAME_BUS_NES_DATACH_H
#define MAME_BUS_NES_DATACH_H
#pragma once
#include "bandai.h"
#include "imagedev/cartrom.h"
#include "machine/i2cmem.h"
#include "machine/bcreader.h"
//--------------------------------
//
// Datach Cartslot implementation
//
//--------------------------------
// ======================> datach_cart_interface
class datach_cart_interface : public device_interface
{
public:
// construction/destruction
virtual ~datach_cart_interface();
// reading and writing
virtual uint8_t read(offs_t offset);
uint8_t *get_cart_base() { return m_rom; }
void write_prg_bank(uint8_t bank) { m_bank = bank; }
protected:
datach_cart_interface(const machine_config &mconfig, device_t &device);
optional_device<i2cmem_device> m_i2cmem;
// internal state
uint8_t *m_rom;
// ROM is accessed via two 16K banks, but only the first one can be switched
uint8_t m_bank;
};
// ======================> nes_datach_slot_device
class nes_datach_device;
class nes_datach_slot_device : public device_t,
public device_cartrom_image_interface,
public device_single_card_slot_interface<datach_cart_interface>
{
friend class nes_datach_device;
public:
// construction/destruction
template <typename T>
nes_datach_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock, T &&opts)
: nes_datach_slot_device(mconfig, tag, owner, clock)
{
option_reset();
opts(*this);
set_default_option(nullptr);
set_fixed(false);
}
nes_datach_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~nes_datach_slot_device();
// image-level overrides
virtual image_init_result call_load() override;
virtual bool is_reset_on_load() const noexcept override { return true; }
virtual const char *image_interface() const noexcept override { return "datach_cart"; }
virtual const char *file_extensions() const noexcept override { return "nes,bin"; }
// slot interface overrides
virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override;
uint8_t read(offs_t offset);
void write_prg_bank(uint8_t bank) { if (m_cart) m_cart->write_prg_bank(bank); }
protected:
// device-level overrides
virtual void device_start() override;
datach_cart_interface* m_cart;
};
// device type definition
DECLARE_DEVICE_TYPE(NES_DATACH_SLOT, nes_datach_slot_device)
//--------------------------------
//
// 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, const char *tag, device_t *owner, uint32_t clock);
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual uint8_t* get_cart_base();
protected:
nes_datach_rom_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// 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_t clock);
protected:
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
};
// device type definition
DECLARE_DEVICE_TYPE(NES_DATACH_ROM, nes_datach_rom_device)
DECLARE_DEVICE_TYPE(NES_DATACH_24C01, nes_datach_24c01_device)
//---------------------------------
//
// 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_t clock);
virtual uint8_t read_m(offs_t offset) override;
virtual uint8_t read_h(offs_t offset) override;
virtual void write_h(offs_t offset, uint8_t data) override;
virtual void pcb_reset() override;
protected:
// 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 void device_add_mconfig(machine_config &config) override;
uint8_t 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_t m_i2c_dir;
uint8_t m_i2c_in_use;
static const device_timer_id TIMER_SERIAL = 1;
emu_timer *serial_timer;
};
// device type definition
DECLARE_DEVICE_TYPE(NES_DATACH, nes_datach_device)
#endif // MAME_BUS_NES_DATACH_H
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