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// license:BSD-3-Clause
// copyright-holders:David Haywood
#ifndef MAME_BUS_EKARA_SLOT_H
#define MAME_BUS_EKARA_SLOT_H
#pragma once
#include "softlist_dev.h"
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
/* PCB */
enum
{
EKARA_PLAIN = 0,
EKARA_I2C_BASE,
EKARA_I2C_24LC04,
EKARA_I2C_24LC02,
};
// ======================> device_ekara_cart_interface
class device_ekara_cart_interface : public device_slot_card_interface
{
public:
// construction/destruction
virtual ~device_ekara_cart_interface();
// reading and writing
virtual DECLARE_READ8_MEMBER(read_cart) { return 0xff; }
virtual DECLARE_WRITE8_MEMBER(write_cart) { }
virtual DECLARE_READ8_MEMBER(read_extra) { return 0xff; }
virtual DECLARE_WRITE8_MEMBER(write_extra) { }
void rom_alloc(uint32_t size, const char *tag);
uint8_t* get_rom_base() { return m_rom; }
uint32_t get_rom_size() { return m_rom_size; }
protected:
device_ekara_cart_interface(const machine_config &mconfig, device_t &device);
// internal state
uint8_t *m_rom;
uint32_t m_rom_size;
};
// ======================> ekara_cart_slot_device
class ekara_cart_slot_device : public device_t,
public device_image_interface,
public device_slot_interface
{
public:
// construction/destruction
ekara_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
template <typename T>
ekara_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, T &&opts, const char *dflt)
: ekara_cart_slot_device(mconfig, tag, owner, clock)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
}
virtual ~ekara_cart_slot_device();
// image-level overrides
virtual image_init_result call_load() override;
virtual void call_unload() override {}
virtual const software_list_loader &get_software_list_loader() const override { return rom_software_list_loader::instance(); }
int get_type() { return m_type; }
static int get_cart_type(const uint8_t *ROM, uint32_t len);
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 "ekara_cart"; }
virtual const char *file_extensions() const override { return "bin,u1"; }
// slot interface overrides
virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override;
// reading and writing
virtual DECLARE_READ8_MEMBER(read_cart);
virtual DECLARE_WRITE8_MEMBER(write_cart);
virtual DECLARE_READ8_MEMBER(read_extra);
virtual DECLARE_WRITE8_MEMBER(write_extra);
bool has_cart() { return m_cart ? true : false; }
protected:
// device-level overrides
virtual void device_start() override;
int m_type;
device_ekara_cart_interface* m_cart;
};
// device type definition
DECLARE_DEVICE_TYPE(EKARA_CART_SLOT, ekara_cart_slot_device)
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define EKARASLOT_ROM_REGION_TAG ":cart:rom"
void ekara_cart(device_slot_interface &device);
#endif // MAME_BUS_EKARA_SLOT_H
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