// 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(); } 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 create_disassembler() override; private: bool m_stackless; }; DECLARE_DEVICE_TYPE(Z80N, z80n_device) #endif // MAME_CPU_Z80_Z80N_H