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diff --git a/src/mame/machine/m20_8086.h b/src/mame/machine/m20_8086.h
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+++ b/src/mame/machine/m20_8086.h
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+// license:BSD-3-Clause
+// copyright-holders:Carl
+#ifndef M20_8086_H_
+#define M20_8086_H_
+
+#include "emu.h"
+#include "cpu/i86/i86.h"
+#include "machine/pic8259.h"
+
+class m20_8086_device : public device_t
+{
+public:
+ m20_8086_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ virtual const rom_entry *device_rom_region() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ DECLARE_READ16_MEMBER(z8000_io_r);
+ DECLARE_WRITE16_MEMBER(z8000_io_w);
+ DECLARE_WRITE_LINE_MEMBER(vi_w);
+ DECLARE_WRITE_LINE_MEMBER(nvi_w);
+ DECLARE_WRITE16_MEMBER(handshake_w);
+ IRQ_CALLBACK_MEMBER(int_cb);
+ bool halted() { return m_8086_halt; }
+ required_device<cpu_device> m_8086;
+
+protected:
+ void device_start();
+ void device_reset();
+
+private:
+ required_device<cpu_device> m_maincpu;
+ required_device<pic8259_device> m_pic;
+ bool m_8086_halt;
+ int m_nvi, m_vi;
+};
+
+extern const device_type M20_8086;
+
+#endif /* M20_8086_H_ */