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// license:BSD-3-Clause
// copyright-holders:Patrick Mackinlay
#ifndef MAME_MACHINE_NS32082_H
#define MAME_MACHINE_NS32082_H
#pragma once
#include "cpu/ns32000/common.h"
class ns32082_device
: public device_t
, public ns32000_mmu_interface
, public ns32000_slow_slave_interface
{
public:
ns32082_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock);
// ns32000_slave_interface implementation
virtual void state_add(device_state_interface &parent, int &index) override;
// ns32000_slow_slave_interface implementation
virtual u16 slow_status(int *icount = nullptr) override;
virtual u16 slow_read() override;
virtual void slow_write(u16 data) override;
// ns32000_mmu_interface implementation
virtual translate_result translate(address_space &space, unsigned st, u32 &address, bool user, bool write, bool pfs = false, bool suppress = false) override;
protected:
// device_t implementation
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
void execute();
void set_msr(u32 data);
void set_eia(u32 data) {}
private:
// registers
u32 m_bpr[2];
u32 m_pf[2];
u32 m_sc;
u32 m_msr;
u32 m_bcnt;
u32 m_ptb[2];
u32 m_eia;
// operating state
u8 m_idbyte;
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(NS32082, ns32082_device)
#endif // MAME_MACHINE_NS32082_H
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