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diff --git a/src/mess/machine/comxpl80.h b/src/mess/machine/comxpl80.h
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+/**********************************************************************
+
+ COMX PL-80 plotter emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __COMXPL80__
+#define __COMXPL80__
+
+#include "emu.h"
+#include "cpu/m6805/m6805.h"
+
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define COMXPL80_TAG "comxpl80"
+
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_COMXPL80_ADD() \
+ MCFG_DEVICE_ADD(COMXPL80_TAG, COMXPL80, 0)
+
+
+#define COMXPL80_INTERFACE(_name) \
+ const comxpl80_interface (_name) =
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> comxpl80_interface
+
+struct comxpl80_interface
+{
+ devcb_write_line m_out_txd_cb;
+ devcb_write_line m_out_clock_cb;
+ devcb_write_line m_out_keydown_cb;
+};
+
+// ======================> comxpl80_device
+
+class comxpl80_device : public device_t,
+ public comxpl80_interface
+{
+public:
+ // construction/destruction
+ comxpl80_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual ioport_constructor device_input_ports() const;
+
+ DECLARE_WRITE8_MEMBER( pa_w );
+ DECLARE_WRITE8_MEMBER( pb_w );
+ DECLARE_WRITE8_MEMBER( pc_w );
+ DECLARE_READ8_MEMBER( pd_r );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_config_complete();
+
+private:
+ // printer state
+ UINT8 m_centronics_data; // centronics data
+
+ // PL-80 plotter state
+ UINT16 m_font_addr; // font ROM pack address latch
+ UINT8 m_x_motor_phase; // X motor phase
+ UINT8 m_y_motor_phase; // Y motor phase
+ UINT8 m_z_motor_phase; // Z motor phase
+ UINT8 m_plotter_data; // plotter data bus
+ int m_plotter_ack; // plotter acknowledge
+ int m_plotter_online; // online LED
+};
+
+
+// device type definition
+extern const device_type COMXPL80;
+
+
+
+#endif