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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
#ifndef MAME_BUS_CRVISION_SLOT_H
#define MAME_BUS_CRVISION_SLOT_H
#pragma once
#include "imagedev/cartrom.h"
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
#define CRVSLOT_ROM_REGION_TAG ":cart:rom"
/* PCB */
enum
{
CRV_4K = 0,
CRV_6K,
CRV_8K,
CRV_10K,
CRV_12K,
CRV_16K,
CRV_18K
};
// ======================> device_crvision_cart_interface
class device_crvision_cart_interface : public device_interface
{
public:
// construction/destruction
virtual ~device_crvision_cart_interface();
// reading and writing
virtual uint8_t read_rom40(offs_t offset) { return 0xff; }
virtual uint8_t read_rom80(offs_t offset) { return 0xff; }
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_crvision_cart_interface(const machine_config &mconfig, device_t &device);
// internal state
uint8_t *m_rom;
uint32_t m_rom_size;
};
// ======================> crvision_cart_slot_device
class crvision_cart_slot_device : public device_t,
public device_cartrom_image_interface,
public device_single_card_slot_interface<device_crvision_cart_interface>
{
public:
// construction/destruction
template <typename T>
crvision_cart_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt)
: crvision_cart_slot_device(mconfig, tag, owner, (uint32_t)0)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
}
crvision_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~crvision_cart_slot_device();
// 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 "crvision_cart"; }
virtual const char *file_extensions() const noexcept override { return "bin,rom"; }
// slot interface overrides
virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override;
int get_type() { return m_type; }
// reading and writing
uint8_t read_rom40(offs_t offset);
uint8_t read_rom80(offs_t offset);
protected:
// device-level overrides
virtual void device_start() override;
int m_type;
device_crvision_cart_interface* m_cart;
};
// device type definition
DECLARE_DEVICE_TYPE(CRVISION_CART_SLOT, crvision_cart_slot_device)
#endif // MAME_BUS_CRVISION_SLOT_H
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