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diff --git a/src/devices/bus/bbc/analogue/cfa3000a.h b/src/devices/bus/bbc/analogue/cfa3000a.h
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+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+ Henson CFA3000 Analogue
+
+**********************************************************************/
+
+
+#ifndef MAME_BUS_BBC_ANALOGUE_CFA3000A_H
+#define MAME_BUS_BBC_ANALOGUE_CFA3000A_H
+
+#pragma once
+
+#include "analogue.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> cfa3000_anlg_device
+
+class cfa3000_anlg_device :
+ public device_t,
+ public device_bbc_analogue_interface
+{
+public:
+ // construction/destruction
+ cfa3000_anlg_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // optional information overrides
+ virtual ioport_constructor device_input_ports() const override;
+
+ virtual uint8_t ch_r(int channel) override;
+ virtual uint8_t pb_r() override;
+
+private:
+ required_ioport_array<4> m_channel;
+ required_ioport m_buttons;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(CFA3000_ANLG, cfa3000_anlg_device)
+
+
+#endif // MAME_BUS_BBC_ANALOGUE_CFA3000A_H