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+/**********************************************************************
+
+ Luxor 4105 SASI hard disk controller emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+*********************************************************************/
+
+#pragma once
+
+#ifndef __LUXOR_4105__
+#define __LUXOR_4105__
+
+
+#include "emu.h"
+#include "abc1600_bus.h"
+#include "machine/scsibus.h"
+
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define LUXOR_4105_TAG "luxor_4105"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> luxor_4105_device
+
+class luxor_4105_device : public device_t,
+ public device_abc1600bus_card_interface
+{
+public:
+ // construction/destruction
+ luxor_4105_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual ioport_constructor device_input_ports() const;
+
+ // not really public
+ DECLARE_WRITE_LINE_MEMBER( sasi_bsy_w );
+ DECLARE_WRITE_LINE_MEMBER( sasi_io_w );
+ DECLARE_WRITE_LINE_MEMBER( sasi_req_w );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_config_complete() { m_shortname = "luxor_4105"; }
+
+ // device_abc1600bus_interface overrides
+ virtual void abc1600bus_cs(UINT8 data);
+ virtual int abc1600bus_csb();
+ virtual void abc1600bus_brst();
+ virtual UINT8 abc1600bus_inp();
+ virtual void abc1600bus_out(UINT8 data);
+ virtual UINT8 abc1600bus_stat();
+ virtual void abc1600bus_c1(UINT8 data);
+ virtual void abc1600bus_c3(UINT8 data);
+ virtual void abc1600bus_c4(UINT8 data);
+
+private:
+ inline void update_trrq_int();
+
+ abc1600bus_slot_device *m_slot;
+
+ required_device<device_t> m_sasibus;
+
+ int m_cs;
+ int m_io;
+ UINT8 m_data;
+ UINT8 m_dma;
+};
+
+
+// device type definition
+extern const device_type LUXOR_4105;
+
+
+
+#endif