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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 uint8_t read_cart(offs_t offset) 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 uint8_t read_cart(offs_t offset) override;
virtual void write_cart(offs_t offset, uint8_t data) 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 uint8_t read_cart(offs_t offset) override;
virtual void write_cart(offs_t offset, uint8_t data) 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 uint8_t read_cart(offs_t offset) override;
virtual void write_cart(offs_t offset, uint8_t data) 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 uint8_t read_cart(offs_t offset) override;
virtual void write_cart(offs_t offset, uint8_t data) override;
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void nvram_default() override;
virtual bool nvram_read(util::read_stream &file) override;
virtual bool nvram_write(util::write_stream &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
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