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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
#ifndef MAME_BUS_NES_SUNSOFT_DCS_H
#define MAME_BUS_NES_SUNSOFT_DCS_H
#pragma once
#include "sunsoft.h"
#include "softlist_dev.h"
//-----------------------------------------------
//
// Nantettate!! Baseball Cartslot implementation
//
//-----------------------------------------------
// ======================> ntb_cart_interface
class ntb_cart_interface : public device_interface
{
public:
// construction/destruction
virtual ~ntb_cart_interface();
// reading and writing
virtual uint8_t read(offs_t offset) { return m_rom[offset]; }
uint8_t *get_cart_base() { return m_rom; }
protected:
ntb_cart_interface(const machine_config &mconfig, device_t &device);
// internal state
uint8_t *m_rom;
};
// ======================> nes_ntb_slot_device
class nes_sunsoft_dcs_device;
class nes_ntb_slot_device : public device_t,
public device_image_interface,
public device_single_card_slot_interface<ntb_cart_interface>
{
friend class nes_sunsoft_dcs_device;
public:
// construction/destruction
template <typename T>
nes_ntb_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&opts)
: nes_ntb_slot_device(mconfig, tag, owner, (uint32_t)0)
{
option_reset();
opts(*this);
set_default_option(nullptr);
set_fixed(false);
}
nes_ntb_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~nes_ntb_slot_device();
// image-level overrides
virtual image_init_result call_load() override;
virtual iodevice_t image_type() const noexcept override { return IO_CARTSLOT; }
virtual bool is_readable() const noexcept override { return true; }
virtual bool is_writeable() const noexcept override { return false; }
virtual bool is_creatable() const noexcept override { return false; }
virtual bool must_be_loaded() const noexcept override { return false; }
virtual bool is_reset_on_load() const noexcept override { return true; }
virtual const char *image_interface() const noexcept override { return "ntb_cart"; }
virtual const char *file_extensions() const noexcept override { return "bin"; }
// slot interface overrides
virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override;
virtual uint8_t read(offs_t offset);
protected:
// device-level overrides
virtual void device_start() override;
// device_image_interface implementation
virtual const software_list_loader &get_software_list_loader() const override { return rom_software_list_loader::instance(); }
ntb_cart_interface* m_cart;
};
// device type definition
DECLARE_DEVICE_TYPE(NES_NTB_SLOT, nes_ntb_slot_device)
//-----------------------------------------------
//
// Nantettate!! Baseball Minicart implementation
//
//-----------------------------------------------
// ======================> nes_ntb_rom_device
class nes_ntb_rom_device : public device_t,
public ntb_cart_interface
{
public:
// construction/destruction
nes_ntb_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:
// device-level overrides
virtual void device_start() override;
};
// device type definition
DECLARE_DEVICE_TYPE(NES_NTB_ROM, nes_ntb_rom_device)
//------------------------------------------------
//
// Nantettate!! Baseball base cart implementation
// a.k.a. Sunsoft Dual Cassette System
// (variant of Sunsoft-4 PCB)
//
//------------------------------------------------
// ======================> nes_sunsoft_dcs_device
class nes_sunsoft_dcs_device : public nes_sunsoft_4_device
{
public:
// construction/destruction
nes_sunsoft_dcs_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_m(offs_t offset, uint8_t data) 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;
private:
static constexpr device_timer_id TIMER_PROTECT = 0;
int m_timer_on, m_exrom_enable;
required_device<nes_ntb_slot_device> m_subslot;
emu_timer *ntb_enable_timer;
attotime timer_freq;
};
// device type definition
DECLARE_DEVICE_TYPE(NES_SUNSOFT_DCS, nes_sunsoft_dcs_device)
#endif // MAME_BUS_NES_SUNSOFT_DCS_H
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