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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
#ifndef MAME_BUS_PCE_PCE_ROM_H
#define MAME_BUS_PCE_PCE_ROM_H

#pragma once

#include "pce_slot.h"
#include "machine/nvram.h"


// ======================> pce_rom_device

class pce_rom_device : public device_t,
						public device_pce_cart_interface
{
public:
	// construction/destruction
	pce_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	// reading and writing
	virtual DECLARE_READ8_MEMBER(read_cart) override;

protected:
	pce_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 { }
};

// ======================> pce_cdsys3_device

class pce_cdsys3_device : public pce_rom_device
{
public:
	// construction/destruction
	pce_cdsys3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	// reading and writing
	virtual DECLARE_READ8_MEMBER(read_cart) override;
	virtual DECLARE_WRITE8_MEMBER(write_cart) override;
};


// ======================> pce_populous_device

class pce_populous_device : public pce_rom_device
{
public:
	// construction/destruction
	pce_populous_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	// reading and writing
	virtual DECLARE_READ8_MEMBER(read_cart) override;
	virtual DECLARE_WRITE8_MEMBER(write_cart) override;
};


// ======================> pce_sf2_device

class pce_sf2_device : public pce_rom_device
{
public:
	// construction/destruction
	pce_sf2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	// reading and writing
	virtual DECLARE_READ8_MEMBER(read_cart) override;
	virtual DECLARE_WRITE8_MEMBER(write_cart) override;

protected:
	// device-level overrides
	virtual void device_start() override;
	virtual void device_reset() override;

private:
	uint8_t m_bank_base;
};

// ======================> pce_tennokoe_device

class pce_tennokoe_device : public pce_rom_device,
							public device_nvram_interface
{
public:
	// construction/destruction
	pce_tennokoe_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	// reading and writing
	virtual DECLARE_READ8_MEMBER(read_cart) override;
	virtual DECLARE_WRITE8_MEMBER(write_cart) override;

protected:
	// device-level overrides
	virtual void device_start() override;
	virtual void device_reset() override;
	virtual void nvram_default() override;
	virtual void nvram_read(emu_file &file) override;
	virtual void nvram_write(emu_file &file) override;

private:
	const uint32_t m_bram_size = 0x800*4;
	uint8_t m_bram[0x800*4];

	uint8_t m_bram_locked;
};


// device type definition
DECLARE_DEVICE_TYPE(PCE_ROM_STD,      pce_rom_device)
DECLARE_DEVICE_TYPE(PCE_ROM_CDSYS3,   pce_cdsys3_device)
DECLARE_DEVICE_TYPE(PCE_ROM_POPULOUS, pce_populous_device)
DECLARE_DEVICE_TYPE(PCE_ROM_SF2,      pce_sf2_device)
DECLARE_DEVICE_TYPE(PCE_ROM_TENNOKOE, pce_tennokoe_device)


#endif // MAME_BUS_PCE_PCE_ROM_H