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diff --git a/src/devices/bus/c64/xl80.h b/src/devices/bus/c64/xl80.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ XL 80 cartridge emulation
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __XL80__
+#define __XL80__
+
+
+#include "emu.h"
+#include "exp.h"
+#include "video/mc6845.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> c64_xl80_device
+
+class c64_xl80_device : public device_t,
+ public device_c64_expansion_card_interface
+{
+public:
+ // construction/destruction
+ c64_xl80_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;
+
+ // not really public
+ MC6845_UPDATE_ROW( crtc_update_row );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // device_c64_expansion_card_interface overrides
+ virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
+ virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
+ virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw) { return 1; }
+ virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw) { return 0; }
+
+private:
+ required_device<h46505_device> m_crtc;
+ required_device<palette_device> m_palette;
+ required_memory_region m_char_rom;
+ optional_shared_ptr<UINT8> m_ram;
+};
+
+
+// device type definition
+extern const device_type C64_XL80;
+
+
+#endif