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// license:BSD-3-Clause
// copyright-holders:AJR
/***************************************************************************
Kawasaki Steel (Kawatetsu) KC82 CPU core with MMU
***************************************************************************/
#ifndef MAME_CPU_Z80_KC82_H
#define MAME_CPU_Z80_KC82_H
#pragma once
#include "z80.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class kc82_device : public z80_device
{
public:
enum
{
KC82_B1 = Z80_WZ + 1, KC82_B2, KC82_B3, KC82_B4,
KC82_A1, KC82_A2, KC82_A3
};
protected:
// construction/destruction
kc82_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock, address_map_constructor mem_map, address_map_constructor io_map);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_post_load() override;
// device_memory_interface overrides
virtual space_config_vector memory_space_config() const override;
virtual bool memory_translate(int spacenum, int intention, offs_t &address) override;
// z80_device overrides
virtual u8 rm(u16 addr) override;
virtual void wm(u16 addr, u8 value) override;
virtual u8 rop() override;
virtual u8 arg() override;
virtual u16 arg16() override;
// MMU access
u8 mmu_r(offs_t offset);
void mmu_w(offs_t offset, u8 data);
private:
// internal helpers
void mmu_remap_pages();
// address spaces
address_space_config m_program_config;
address_space_config m_opcodes_config;
address_space_config m_io_config;
// MMU registers
u16 m_mmu_a[4];
u8 m_mmu_b[5];
u32 m_mmu_base[0x40];
};
#endif // MAME_CPU_Z80_KC82_H
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