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// license:BSD-3-Clause
// copyright-holders:Patrick Mackinlay
#ifndef MAME_MACHINE_NS32081_H
#define MAME_MACHINE_NS32081_H
#pragma once
#include "cpu/ns32000/slave.h"
class ns32081_device
: public device_t
, public ns32000_slave_interface
{
public:
ns32081_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock);
virtual void state_add(device_state_interface &parent, int &index) override;
virtual u16 read_st(int *icount = nullptr) override;
virtual u16 read_op() override;
virtual void write_id(u16 data) override;
virtual void write_op(u16 data) override;
protected:
// device_t overrides
virtual void device_start() override;
virtual void device_reset() override;
void execute();
void complete(void *buf, s32 param);
private:
emu_timer *m_complete;
// registers
u32 m_fsr;
u32 m_f[8];
// operating state
u8 m_idbyte;
u16 m_opword;
struct operand
{
unsigned expected;
unsigned issued;
u64 value;
}
m_op[3];
u16 m_status;
// implementation state
unsigned m_state;
unsigned m_tcy;
};
DECLARE_DEVICE_TYPE(NS32081, ns32081_device)
#endif // MAME_MACHINE_NS32081_H
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