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Diffstat (limited to 'src/devices/cpu/z80/z80n.h')
-rw-r--r--src/devices/cpu/z80/z80n.h45
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diff --git a/src/devices/cpu/z80/z80n.h b/src/devices/cpu/z80/z80n.h
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+++ b/src/devices/cpu/z80/z80n.h
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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