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diff --git a/src/devices/bus/isa/pds.h b/src/devices/bus/isa/pds.h
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+// license:BSD-3-Clause
+// copyright-holders:Barry Rodewald
+/*
+ * isa_pds.h
+ *
+ * Created on: 31/01/2014
+ */
+
+#ifndef ISA_PDS_H_
+#define ISA_PDS_H_
+
+#include "emu.h"
+#include "isa.h"
+#include "machine/i8255.h"
+
+class isa8_pds_device :
+ public device_t,
+ public device_isa8_card_interface
+{
+public:
+ isa8_pds_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ DECLARE_READ8_MEMBER(ppi_r);
+ DECLARE_WRITE8_MEMBER(ppi_w);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ required_device<i8255_device> m_ppi;
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_stop();
+
+};
+
+extern const device_type ISA8_PDS;
+
+#endif /* ISA_PDS_H_ */