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// license:BSD-3-Clause
// copyright-holders:AJR
#ifndef MAME_BUS_SDK85_MEMEXP_H
#define MAME_BUS_SDK85_MEMEXP_H
#pragma once
#include "imagedev/cartrom.h"
// ======================> device_sdk85_romexp_card_interface
class device_sdk85_romexp_card_interface : public device_interface
{
friend class sdk85_romexp_device;
protected:
device_sdk85_romexp_card_interface(const machine_config &mconfig, device_t &device);
virtual u8 read_memory(offs_t offset) = 0;
virtual void write_memory(offs_t offset, u8 data) = 0;
virtual u8 read_io(offs_t offset) = 0;
virtual void write_io(offs_t offset, u8 data) = 0;
virtual u8 *get_rom_base(u32 size);
};
// ======================> sdk85_romexp_device
class sdk85_romexp_device : public device_t,
public device_rom_image_interface,
public device_single_card_slot_interface<device_sdk85_romexp_card_interface>
{
public:
// construction/destruction
sdk85_romexp_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
template <typename T>
sdk85_romexp_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock, T &&opts, const char *dflt)
: sdk85_romexp_device(mconfig, tag, owner, clock)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
}
static void rom_options(device_slot_interface &device);
u8 memory_r(offs_t offset);
void memory_w(offs_t offset, u8 data);
u8 io_r(offs_t offset);
void io_w(offs_t offset, u8 data);
protected:
// device-level overrides
virtual void device_start() override;
// image-level overrides
virtual image_init_result call_load() override;
virtual void call_unload() override { }
virtual bool is_reset_on_load() const noexcept override { return true; }
virtual const char *image_interface() const noexcept override { return "sdk85_rom"; }
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;
private:
device_sdk85_romexp_card_interface *m_dev;
};
// device type declaration
DECLARE_DEVICE_TYPE(SDK85_ROMEXP, sdk85_romexp_device)
#endif // MAME_BUS_SDK85_MEMEXP_H
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