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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
#ifndef MAME_BUS_NES_ALADDIN_H
#define MAME_BUS_NES_ALADDIN_H
#pragma once
#include "nxrom.h"
#include "softlist_dev.h"
//----------------------------------
//
// Aladdin Cartslot implementation
//
//----------------------------------
// ======================> aladdin_cart_interface
class aladdin_cart_interface : public device_slot_card_interface
{
public:
// construction/destruction
virtual ~aladdin_cart_interface();
// reading and writing
virtual DECLARE_READ8_MEMBER(read);
uint8_t *get_cart_base() { return m_rom; }
void set_cart_size(uint32_t size) { m_rom_size = size; m_rom_mask = (size / 0x4000) - 1; }
virtual void write_prg(uint32_t offset, uint8_t data) { }
protected:
aladdin_cart_interface(const machine_config &mconfig, device_t &device);
// internal state
uint8_t *m_rom;
uint32_t m_rom_size;
uint8_t m_lobank, m_hibank, m_rom_mask;
};
// ======================> nes_aladdin_slot_device
class nes_aladdin_device;
class nes_aladdin_slot_device : public device_t,
public device_image_interface,
public device_slot_interface
{
friend class nes_aladdin_device;
public:
// construction/destruction
nes_aladdin_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~nes_aladdin_slot_device();
// device-level overrides
virtual void device_start() override;
// 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 "ade_cart"; }
virtual const char *file_extensions() const override { return "nes,bin"; }
// slot interface overrides
virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override;
virtual DECLARE_READ8_MEMBER(read);
void write_prg(uint32_t offset, uint8_t data) { if (m_cart) m_cart->write_prg(offset, data); }
protected:
aladdin_cart_interface* m_cart;
};
// device type definition
DECLARE_DEVICE_TYPE(NES_ALADDIN_SLOT, nes_aladdin_slot_device)
#define MCFG_ALADDIN_MINICART_ADD(_tag, _slot_intf) \
MCFG_DEVICE_ADD(_tag, NES_ALADDIN_SLOT, 0) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, nullptr, false)
//----------------------------------
//
// Aladdin Minicart implementation
//
//----------------------------------
// ======================> nes_algn_rom_device
class nes_algn_rom_device : public device_t,
public aladdin_cart_interface
{
public:
// construction/destruction
nes_algn_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();
virtual void write_prg(uint32_t offset, uint8_t data) override;
protected:
nes_algn_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_algq_rom_device
class nes_algq_rom_device : public nes_algn_rom_device
{
public:
// construction/destruction
nes_algq_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// optional information overrides
virtual void write_prg(uint32_t offset, uint8_t data) override;
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
uint8_t m_bank_base;
};
// device type definition
DECLARE_DEVICE_TYPE(NES_ALGN_ROM, nes_algn_rom_device)
DECLARE_DEVICE_TYPE(NES_ALGQ_ROM, nes_algq_rom_device)
//-----------------------------------------------
//
// Codemasters Aladdin passthru implementation
//
//-----------------------------------------------
// ======================> nes_aladdin_device
class nes_aladdin_device : public nes_nrom_device
{
public:
// construction/destruction
nes_aladdin_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual machine_config_constructor device_mconfig_additions() const override;
virtual DECLARE_READ8_MEMBER(read_h) override;
virtual DECLARE_WRITE8_MEMBER(write_h) override;
virtual void pcb_reset() override;
protected:
// device-level overrides
virtual void device_start() override;
required_device<nes_aladdin_slot_device> m_subslot;
};
// device type definition
DECLARE_DEVICE_TYPE(NES_ALADDIN, nes_aladdin_device)
#endif // MAME_BUS_NES_ALADDIN_H
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