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// license:BSD-3-Clause
// copyright-holders:etabeta
#ifndef __O2_ROM_H
#define __O2_ROM_H
#include "slot.h"
// ======================> o2_rom_device
class o2_rom_device : public device_t,
public device_o2_cart_interface
{
public:
// construction/destruction
o2_rom_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
o2_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// device-level overrides
virtual void device_start();
virtual void device_reset();
// reading and writing
virtual DECLARE_READ8_MEMBER(read_rom04);
virtual DECLARE_READ8_MEMBER(read_rom0c);
virtual void write_bank(int bank);
protected:
int m_bank_base;
};
// ======================> o2_rom12_device
class o2_rom12_device : public o2_rom_device
{
public:
// construction/destruction
o2_rom12_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// reading and writing
virtual DECLARE_READ8_MEMBER(read_rom04);
virtual DECLARE_READ8_MEMBER(read_rom0c);
};
// ======================> o2_rom16_device
class o2_rom16_device : public o2_rom_device
{
public:
// construction/destruction
o2_rom16_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// reading and writing
virtual DECLARE_READ8_MEMBER(read_rom04);
virtual DECLARE_READ8_MEMBER(read_rom0c);
};
// device type definition
extern const device_type O2_ROM_STD;
extern const device_type O2_ROM_12K;
extern const device_type O2_ROM_16K;
#endif
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