Added virtual Dispatch() to Device class

src/raspberrypi/devices/device.h

@@ -46,6 +46,8 @@ using namespace std;
 #define STATUS_PARAMSAVE	0x00053900	// SAVING PARAMETERS NOT SUPPORTED
 #define STATUS_NODEFECT		0x00010000	// DEFECT LIST NOT FOUND
 
+class SCSIDEV;
+
 class Device
 {
 private:
@@ -92,6 +94,8 @@ public:
 	// Override for device specific initializations, to be called after all device properties have been set
 	virtual void Init() {};
 
+	virtual bool Dispatch(SCSIDEV *) = 0;
+
 	const string& GetType() const { return type; }
 
 	bool IsReady() const { return ready; }

src/raspberrypi/devices/disk.h

@@ -231,7 +231,7 @@ public:
 	// TODO Try to get rid of this method, which is called by SASIDEV (but must not)
 	virtual bool ModeSelect(const DWORD *cdb, const BYTE *buf, int length);// MODE SELECT command
 
-	virtual bool Dispatch(SCSIDEV *);
+	virtual bool Dispatch(SCSIDEV *) override;
 
 protected:
 	// Internal processing

src/raspberrypi/devices/scsi_host_bridge.h

@@ -28,6 +28,7 @@
 //===========================================================================
 class CTapDriver;
 class CFileSys;
+
 class SCSIBR : public Disk
 {
 
@@ -50,7 +51,7 @@ public:
 
 	void Init() override;
 
-	bool Dispatch(SCSIDEV *);
+	bool Dispatch(SCSIDEV *) override;
 
 	// commands
 	int Inquiry(const DWORD *cdb, BYTE *buf) override;	// INQUIRY command

src/raspberrypi/devices/scsicd.h

@@ -101,7 +101,7 @@ public:
 	int Read(const DWORD *cdb, BYTE *buf, uint64_t block) override;		// READ command
 	int ReadToc(const DWORD *cdb, BYTE *buf);			// READ TOC command
 
-	bool Dispatch(SCSIDEV *);
+	bool Dispatch(SCSIDEV *) override;
 
 private:
 	// Open