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-rw-r--r--src/devices/bus/s100/nsmdsa.h58
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diff --git a/src/devices/bus/s100/nsmdsa.h b/src/devices/bus/s100/nsmdsa.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ North Star MICRO-DISK System MDS-A (Single Density) emulation
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __S100_MDS_A__
+#define __S100_MDS_A__
+
+#include "emu.h"
+#include "s100.h"
+#include "imagedev/floppy.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> s100_mds_a_device
+
+class s100_mds_a_device : public device_t,
+ public device_s100_card_interface
+{
+public:
+ // construction/destruction
+ s100_mds_a_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;
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // device_s100_card_interface overrides
+ virtual UINT8 s100_smemr_r(address_space &space, offs_t offset);
+
+private:
+ required_device<floppy_connector> m_floppy0;
+ required_device<floppy_connector> m_floppy1;
+ required_memory_region m_psel_rom;
+ required_memory_region m_pgm_rom;
+};
+
+
+// device type definition
+extern const device_type S100_MDS_A;
+
+
+
+#endif