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// license:BSD-3-Clause
// copyright-holders:R. Belmont
#ifndef MAME_MACHINE_DIMM_SPD_H
#define MAME_MACHINE_DIMM_SPD_H
#pragma once
#include "machine/i2chle.h"
class dimm_spd_device : public device_t, public i2c_hle_interface
{
public:
// construction/destruction
dimm_spd_device(const machine_config &mconfig, const char *tag, device_t *owner)
: dimm_spd_device(mconfig, tag, owner, (uint32_t)0)
{
}
dimm_spd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
typedef enum
{
SIZE_SLOT_EMPTY = 0,
SIZE_4_MIB,
SIZE_8_MIB,
SIZE_16_MIB,
SIZE_32_MIB,
SIZE_64_MIB,
SIZE_128_MIB,
SIZE_256_MIB
} dimm_size_t;
void set_dimm_size(dimm_size_t size);
protected:
// device_t overrides
virtual void device_start() override ATTR_COLD;
// i2c_hle_interface overrides
virtual u8 read_data(u16 offset) override;
virtual const char *get_tag() override { return tag(); }
private:
u8 m_data[256];
dimm_size_t m_size;
};
// device type definition
DECLARE_DEVICE_TYPE(DIMM_SPD, dimm_spd_device)
#endif // MAME_MACHINE_DIMM_SPD_H
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