[D
	/LoadSW [P
		[A LoadFlag ]	% LoadFlag = False -> Check only if Files are existing 	
		
		/Result #1 def
		/MissingFile '' def
		
		% Build SW File name
		/SWFile FilePath ApplSel.ApplDir add '\' add ApplSel.ApplSWFileName add ApplTypeExt add def
		/SWFile SWFile '_V' add ApplSel.SWVersion cvs add 'S' add ApplSel.SWSubVersion cvs add def 
		ApplSel.SWBetaInfo '' ne [B
			/SWFile SWFile '_' add ApplSel.SWBetaInfo add def
		] if
		/SWFile SWFile '.HX3' add def
		
		% Build Tree File name
		/TreeFile FilePath ApplSel.ApplDir add '\' add ApplSel.ApplTreeFileName add  ApplTypeExt add def
		/TreeFile TreeFile '_V' add ApplSel.TreeVersion cvs add 'S' add ApplSel.TreeSubVersion cvs add def 
		ApplSel.TreeBetaInfo '' ne [B
			/TreeFile TreeFile '_' add ApplSel.TreeBetaInfo add def
		] if
		/TreeFile TreeFile '.HX2' add def
		
		% Build DefaultPar File name
		/DefaultParFile FilePath ApplSel.ApplDir add '\' add ApplSel.ApplTreeFileName add ApplTypeExt add def
		/DefaultParFile DefaultParFile '_V' add ApplSel.TreeVersion cvs add 'S' add ApplSel.TreeSubVersion cvs add def 
		ApplSel.TreeBetaInfo '' ne [B
			/DefaultParFile DefaultParFile '_' add ApplSel.TreeBetaInfo add def
		] if
		/DefaultParFile DefaultParFile '.GR3' add def
		
		
		% check if files are existing
		Result [B
			SWFile FileExist not [B
				/Result #0 def 
				/MissingFile SWFile def
			] if
		] if
		Result [B
			TreeFile FileExist not [B
				/Result #0 def 
				/MissingFile TreeFile def
			] if
		] if
		Result [B
			DefaultParFile FileExist not [B
				/Result #0 def 
				/MissingFile DefaultParFile def
			] if
		] if
		
		
		Result LoadFlag and [B
			% Read drive
			% Get Installation Valid Flag
			/InstVal APPLInstallValidAddr PackInst:ReadMemory def
			
			% Get SW CRC
			/CRC_drive_SW APPL_SW_CRC_Addr PackInst:_GetBlock def
			
			% Get Tree CRC
			/CRC_drive_Tr APPL_Tr_CRC_Addr PackInst:_GetBlock def
			
			% Get SW file name
			/Filename_read_SW APPL_SW_FileName_Addr GetInstalledFileName uppercase def
			
			% Get Tree file name
			/Filename_read_Tr APPL_Tr_FileName_Addr GetInstalledFileName uppercase def
			
			
			% Read file
			% Get SW CRC
			getcurrentdir '\' add SWFile add APPL_SW_CRC_Addr SystGen_CRC crcfromfile
			/Res exch def
			/CRC_file_SW exch def
			
			% Get Tree CRC
			getcurrentdir '\' add TreeFile add APPL_Tr_CRC_Addr SystGen_CRC crcfromfile
			/Res exch def
			/CRC_file_Tr exch def
			
			% Get SW file name
			/Filename_file_SW SWFile extfilename '' chfileext uppercase def
			
			% Get Tree file name
			/Filename_file_Tr TreeFile extfilename '' chfileext uppercase def
			
			% Check CRC
			CRC_file_SW CRC_invalid1 eq
			CRC_file_SW CRC_invalid2 eq or [B
				'File: ' SWFile extfilename add ' is corrupted!' add log
				/Result #0 def
			] if
			
			CRC_file_Tr CRC_invalid1 eq
			CRC_file_Tr CRC_invalid2 eq or [B
				'File: ' TreeFile extfilename add ' is corrupted!' add log
				/Result #0 def
			] if
			
			
			Result [B
				InstVal InstallationValid ne [B
					'Erasing APPL SW firmware sector...' log
					'Erasing APPL Tree firmware sector...' log
					3 EraseSWInstance
					
					'Downloading ' SWFile add log
					SWFile dup loadobj exch PackInst:DownloadHX3File
					
					'Downloading ' TreeFile add log
					TreeFile dup loadobj exch PackInst:DownloadHX2File
					
					'Updating UPID list...' log
					TalkIntf.UpdateUPIDList
					TalkIntf.GetResult 0 ne [B
						ResetDevice
						10000 wait
					] if
				][B
					/InstallSW
						Filename_file_SW Filename_read_SW ne
						CRC_file_SW CRC_drive_SW ne or def
					
					/InstallTr
						Filename_file_Tr Filename_read_Tr ne
						CRC_file_Tr CRC_drive_Tr ne or def
					
					SystGen_CRC 5 ne [B
						InstallSW [B
							APPLInstallValidAddr InstallationInvalid WriteWordToElo
							
							'Erasing APPL SW firmware sector...' log
							13 EraseSWInstance
							
							'Downloading ' SWFile add log
							SWFile dup loadobj exch PackInst:DownloadHX3File
						][B
							'Download APPL SW firmware skipped. Already up to date...' log
						] ifelse
						
						InstallTr [B
							APPLInstallValidAddr InstallationInvalid WriteWordToElo
						
							'Erasing APPL Tree firmware sector...' log
							103 EraseSWInstance
							
							'Downloading ' TreeFile add log
							TreeFile dup loadobj exch PackInst:DownloadHX2File
							
							'Updating UPID list...' log
							TalkIntf.UpdateUPIDList
							TalkIntf.GetResult 0 ne [B
								ResetDevice
								10000 wait
							] if
						][B
							'Download APPL Tree firmware skipped. Already up to date...' log
						] ifelse
					][B
						InstallSW InstallTr or [B
							APPLInstallValidAddr InstallationInvalid WriteWordToElo
						
							'Erasing APPL SW firmware sector...' log
							'Erasing APPL Tree firmware sector...' log
							3 EraseSWInstance
							
							'Downloading ' SWFile add log
							SWFile dup loadobj exch PackInst:DownloadHX3File

							'Downloading ' TreeFile add log
							TreeFile dup loadobj exch PackInst:DownloadHX2File
							'Updating UPID list...' log
							
							TalkIntf.UpdateUPIDList
							TalkIntf.GetResult 0 ne [B
								ResetDevice
								10000 wait
							] if
						][B
							'Download APPL SW firmware skipped. Already up to date...' log
							'Download APPL Tree firmware skipped. Already up to date...' log
						] ifelse
					] ifelse
				] ifelse
			] if
		] if
		
		[A /MissingFile /Result]
	]
]