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diff --git a/src/emu/bus/vic20/fe3.h b/src/emu/bus/vic20/fe3.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Final Expansion v3 cartridge emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __VIC20_FE3__
+#define __VIC20_FE3__
+
+#include "emu.h"
+#include "exp.h"
+#include "machine/intelfsh.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> vic20_final_expansion_3_t
+
+class vic20_final_expansion_3_t : public device_t,
+ public device_vic20_expansion_card_interface
+{
+public:
+ // construction/destruction
+ vic20_final_expansion_3_t(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;
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // device_vic20_expansion_card_interface overrides
+ virtual UINT8 vic20_cd_r(address_space &space, offs_t offset, UINT8 data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3);
+ virtual void vic20_cd_w(address_space &space, offs_t offset, UINT8 data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3);
+
+private:
+ enum
+ {
+ REG1_BLK0 = 0x01,
+ REG1_BLK1 = 0x02,
+ REG1_BLK2 = 0x04,
+ REG1_BLK3 = 0x08,
+ REG1_BLK5 = 0x10,
+ REG1_START = 0x00,
+ REG1_SUPER_ROM = 0x40,
+ REG1_RAM_1 = 0x80,
+ REG1_RAM_2 = 0xc0,
+ REG1_SUPER_RAM = 0xa0,
+ REG1_RAM_ROM = 0x60,
+ REG1_FLASH = 0x20,
+ REG1_MODE_MASK = 0xe0
+ };
+
+ enum
+ {
+ REG2_BLK0 = 0x01,
+ REG2_BLK1 = 0x02,
+ REG2_BLK2 = 0x04,
+ REG2_BLK3 = 0x08,
+ REG2_BLK5 = 0x10,
+ REG2_A13 = 0x20,
+ REG2_A14 = 0x40,
+ REG2_IO3 = 0x80
+ };
+
+ offs_t get_address(int bank, int block, offs_t offset);
+ UINT8 read_register(offs_t offset);
+ void write_register(offs_t offset, UINT8 data);
+
+ required_device<amd_29f040_device> m_flash_rom;
+ optional_shared_ptr<UINT8> m_ram;
+
+ UINT8 m_reg1;
+ UINT8 m_reg2;
+ bool m_lockbit;
+};
+
+
+// device type definition
+extern const device_type VIC20_FE3;
+
+
+
+#endif