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+/**********************************************************************
+
+ Morrow Designs Disk Jockey 2D/B floppy controller board emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __S100_DJ2DB__
+#define __S100_DJ2DB__
+
+
+#include "emu.h"
+#include "formats/basicdsk.h"
+#include "imagedev/flopdrv.h"
+#include "machine/s100.h"
+#include "machine/com8116.h"
+#include "machine/wd17xx.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> s100_dj2db_device
+
+class s100_dj2db_device : public device_t,
+ public device_s100_card_interface
+{
+public:
+ // construction/destruction
+ s100_dj2db_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;
+ virtual ioport_constructor device_input_ports() const;
+
+ // not really public
+ DECLARE_WRITE_LINE_MEMBER( fdc_intrq_w );
+ DECLARE_WRITE_LINE_MEMBER( fdc_drq_w );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_config_complete() { m_shortname = "dj2db"; }
+
+ // device_s100_card_interface overrides
+ virtual UINT8 s100_smemr_r(offs_t offset);
+ virtual void s100_mwrt_w(offs_t offset, UINT8 data);
+ virtual UINT8 s100_sinp_r(offs_t offset);
+ virtual void s100_sout_w(offs_t offset, UINT8 data);
+ virtual void s100_phantom_w(int state);
+ virtual bool s100_has_terminal() { return true; }
+ virtual void s100_terminal_w(UINT8 data);
+
+private:
+ // internal state
+ required_device<device_t> m_fdc;
+ required_device<com8116_device> m_dbrg;
+ device_t* m_floppy0;
+ device_t* m_floppy1;
+
+ // floppy state
+ int m_drive; // selected drive
+ int m_head; // head loaded
+ int m_int_enbl; // interrupt enable
+
+ // S-100 bus state
+ UINT8 *m_rom; // ROM
+ UINT8 *m_ram; // RAM
+ int m_access_enbl; // access enable
+ int m_board_enbl; // board enable
+ int m_phantom; // phantom
+};
+
+
+// device type definition
+extern const device_type S100_DJ2DB;
+
+
+#endif