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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Commodore 1700/1750/1764 RAM Expansion Unit emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#pragma once
#ifndef __REU__
#define __REU__
#include "emu.h"
#include "imagedev/cartslot.h"
#include "exp.h"
#include "machine/mos8726.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> c64_reu_cartridge_device
class c64_reu_cartridge_device : public device_t,
public device_c64_expansion_card_interface
{
public:
// construction/destruction
c64_reu_cartridge_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT32 variant, int jp1, size_t ram_size, const char *shortname, const char *source);
// optional information overrides
virtual const rom_entry *device_rom_region() const;
virtual machine_config_constructor device_mconfig_additions() const;
protected:
enum
{
TYPE_1700,
TYPE_1750,
TYPE_1764
};
// device-level overrides
virtual void device_start();
virtual void device_reset();
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
required_device<mos8726_device> m_dmac;
required_memory_region m_rom;
optional_shared_ptr<UINT8> m_ram;
int m_variant;
int m_jp1;
size_t m_ram_size;
};
// ======================> c64_reu1700_cartridge_device
class c64_reu1700_cartridge_device : public c64_reu_cartridge_device
{
public:
// construction/destruction
c64_reu1700_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
// ======================> c64_reu1750_cartridge_device
class c64_reu1750_cartridge_device : public c64_reu_cartridge_device
{
public:
// construction/destruction
c64_reu1750_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
// ======================> c64_reu1700_cartridge_device
class c64_reu1764_cartridge_device : public c64_reu_cartridge_device
{
public:
// construction/destruction
c64_reu1764_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
// device type definition
extern const device_type C64_REU1700;
extern const device_type C64_REU1750;
extern const device_type C64_REU1764;
#endif
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