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// license:BSD-3-Clause
// copyright-holders:Andrei I. Holub
#ifndef MAME_CPU_Z80_Z80N_H
#define MAME_CPU_Z80_Z80N_H
#pragma once
#include "z80.h"
class z80n_device : public z80_device
{
public:
// construction/destruction
z80n_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
auto in_nextreg_cb() { return m_in_nextreg_cb.bind(); }
auto out_nextreg_cb() { return m_out_nextreg_cb.bind(); }
auto out_retn_seen_cb() { return m_out_retn_seen_cb.bind(); }
bool nmi_stackless_r() { return m_stackless; }
void nmi_stackless_w(bool data) { m_stackless = data; }
void nmi() { set_service_attention<SA_NMI_PENDING, 1>(); }
protected:
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
// device_execute_interface implementation
virtual void execute_run() override;
devcb_write8 m_out_retn_seen_cb;
devcb_read8 m_in_nextreg_cb;
devcb_write8 m_out_nextreg_cb;
virtual std::unique_ptr<util::disasm_interface> create_disassembler() override;
private:
bool m_stackless;
};
DECLARE_DEVICE_TYPE(Z80N, z80n_device)
#endif // MAME_CPU_Z80_Z80N_H
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