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-rw-r--r--src/devices/bus/a2bus/a2dx1.h52
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diff --git a/src/devices/bus/a2bus/a2dx1.h b/src/devices/bus/a2bus/a2dx1.h
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+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/*********************************************************************
+
+ a2dx1.h
+
+ Implementation of the Decillionix DX-1 sampler card
+
+*********************************************************************/
+
+#ifndef __A2BUS_DX1__
+#define __A2BUS_DX1__
+
+#include "emu.h"
+#include "a2bus.h"
+#include "sound/dac.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class a2bus_dx1_device:
+ public device_t,
+ public device_a2bus_card_interface
+{
+public:
+ // construction/destruction
+ a2bus_dx1_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
+ a2bus_dx1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ required_device<dac_device> m_dac;
+
+protected:
+ virtual void device_start();
+ virtual void device_reset();
+
+ // overrides of standard a2bus slot functions
+ virtual UINT8 read_c0nx(address_space &space, UINT8 offset);
+ virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data);
+ virtual bool take_c800();
+
+private:
+ UINT8 m_volume, m_lastdac;
+};
+
+// device type definition
+extern const device_type A2BUS_DX1;
+
+#endif /* __A2BUS_DX1__ */