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// license:BSD-3-Clause
// copyright-holders:Patrick Mackinlay
#ifndef MAME_MACHINE_NS32382_H
#define MAME_MACHINE_NS32382_H
#pragma once
#include "cpu/ns32000/slave.h"
class ns32382_device
: public device_t
, public ns32000_fast_slave_interface
, public ns32000_mmu_interface
{
public:
ns32382_device(machine_config const &mconfig, char const *tag, device_t *owner, const XTAL &clock);
// ns32000_slave_interface overrides
virtual void state_add(device_state_interface &parent, int &index) override;
// ns32000_fast_slave_interface overrides
virtual u32 read_st(int *icount = nullptr) override;
virtual void write(u32 data) override;
virtual u32 read() override;
// ns32000_mmu_interface overrides
virtual translate_result translate(address_space &space, unsigned st, u32 &address, bool user, bool write, bool pfs = false, bool debug = false) override;
protected:
// device_t overrides
virtual void device_start() override;
virtual void device_reset() override;
void execute();
private:
// registers
u32 m_bar; // breakpoint address register
u32 m_bdr; // breakpoint data register
u32 m_bear; // bus error address register
u32 m_bmr; // breakpoint mask register
u32 m_mcr; // memory management control register
u32 m_msr; // memory management status register
u32 m_ptb[2]; // page table base registers
u32 m_tear; // translation exception address register
// operating state
u16 m_opword;
struct operand
{
u32 expected;
u32 issued;
u64 value;
}
m_op[3];
u16 m_status;
// implementation state
u32 m_state;
u32 m_tcy;
};
DECLARE_DEVICE_TYPE(NS32382, ns32382_device)
#endif // MAME_MACHINE_NS32382_H
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