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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
#ifndef MAME_BUS_VC4000_ROM_H
#define MAME_BUS_VC4000_ROM_H
#include "slot.h"
// ======================> vc4000_rom_device
class vc4000_rom_device : public device_t,
public device_vc4000_cart_interface
{
public:
// construction/destruction
vc4000_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// reading and writing
virtual uint8_t read_rom(offs_t offset) override;
protected:
vc4000_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 { }
};
// ======================> vc4000_rom4k_device
class vc4000_rom4k_device : public vc4000_rom_device
{
public:
// construction/destruction
vc4000_rom4k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
};
// ======================> vc4000_ram1k_device
class vc4000_ram1k_device : public vc4000_rom_device
{
public:
// construction/destruction
vc4000_ram1k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// reading and writing
virtual uint8_t read_ram(offs_t offset) override;
virtual void write_ram(offs_t offset, uint8_t data) override;
};
// ======================> vc4000_chess2_device
class vc4000_chess2_device : public vc4000_rom_device
{
public:
// construction/destruction
vc4000_chess2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// reading and writing
virtual uint8_t extra_rom(offs_t offset) override;
virtual uint8_t read_ram(offs_t offset) override;
virtual void write_ram(offs_t offset, uint8_t data) override;
};
// device type definition
DECLARE_DEVICE_TYPE(VC4000_ROM_STD, vc4000_rom_device)
DECLARE_DEVICE_TYPE(VC4000_ROM_ROM4K, vc4000_rom4k_device)
DECLARE_DEVICE_TYPE(VC4000_ROM_RAM1K, vc4000_ram1k_device)
DECLARE_DEVICE_TYPE(VC4000_ROM_CHESS2, vc4000_chess2_device)
#endif // MAME_BUS_VC4000_ROM_H
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