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Aufit User`s Manual - Info

1. analyze In that case you can place a file called aufit ignore txt to indicate that you do not want the current directory and all its subdirectories to be analyzed AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 22 sur 29 AUFIT Users Manual Checking Quality of generated images This section discuss several questions around the quality of Floppy Disk images created with devices like KryoFlux or SuperCard Pro To some extent the quality of the image is only related to the floppy drives and floppy disks conditions and therefore independent of the imaging device used Cleaning The first thing you want to do before imaging floppy disks is to clean the floppy drive head and a make sure you have spotlessly clean floppy disk Cleaning the floppy drive head and cleaning the diskette can make a big difference First always clean the floppy drive head using dedicated cleaning kits as this is a very easy to do operation Cleaning a floppy disk is a much more painful operation and therefore you can try to image the diskette without cleaning If during analysis as explained below you find problems on the disk image you should clean the floppy diskette The recommended way is to wipe the surface of the floppy diskette using a Q Tip impregnated with head cleaning liquid Normally this liquid evaporate quickly but you can use the other side of the Q Tip to help dry the liquid in excess There are numer
2. Aufit batch mode section it is possible to run the Aufit program in batch mode to automatically produce specific outputs without user intervention Always use the BatchAufit program that matches the Aufit program as from time to time the command line argument are changed The BatchAufit program allows to automatically detect all FD images located inside a directory tree and to invoke the Aufit program in auto mode for all the detected images not yet processed The GUI is composed of three area amp Aufit Build 1 3 20 10 2015 16 09 44 o x Root Directory Reload Save Log A M Disk View V Protections M Save stx Suffix aufit 1 3 Scale 14 MaxProcessTime 1 Total 0 Done 0 Start Stop Clean All Exit The top area contains a button that allow to specify the root directory of the tree where you want to search for Kryoflux and SCP FD images When the Root Directory button is clicked a dialog box opens to specify the location of the root directory tree Once specified the name of the root directory is displayed in a text box on the right of the Reload button The Reload button forces to re read the last specified tree location This information is saved between sessions and therefore it is possible to continue the processing of images in separate sessions The top area also contains a Save Log button that allows to save the content of the display area
3. This allow to save for example the result of analysis of a tree or the result of running Aufit in batch mode AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 21 sur 29 AUFIT Users Manual As soon as the root directory is specified with the Root Directory or Reload buttons the content tree is analyzed and all the Kryoflux and SCP images are detected and displayed in the middle area Root Directory Reload M Atari FDIMAGES FLUX Save Log Done M Atari FDIMAGES FLUX Addicted to Fun Ninja Collection KF Ninja Collection 1991 Double Dra Done M Atari FDIMAGES FLUX Addicted to Fun Ninja Collection KF Ninja Collection 1991 Double Dra ToDo ToDo ToDo Atari FDIMAGES FLUX Addicted to Fun Ninja Collection KF Ninja Collection 1991 Shadow War Atari FDIMAGES FLUX Addicted to Fun Ninja Collection KF Ninja Collection 1991 Shadow War M Atari FDIMAGES FLUX Addicted to Fun Ninja Collection KF Ninja Collection 1991 Dragon Nin M M M Atari FDIMAGES FLUX Addicted to Fun Ninja Collection KF Ninja Collection 1991 Shadow War M Atari FDIMAGES FLUX Addicted to Fun Ninja Collection SCP Double Dragon Disk 1 scp M Atari FDIMAGES FLUX Addicted to Fun Ninja Collection SCP Double Dragon Disk 2 scp M Atari FDIMAGES FLUX Addicted to Fun Ninja Collection SCP Dragon Ninja V2 scp M Atari FDIMAGES FLUX Addicted to Fun Ninja Collection SCP Shadow Warriors Rev 2 Disk 1 s M Atari FDIMAGES FLUX A
4. amp lt 00096 2007 003103 o 88 00 BO BO BO 00 00 GO 00 00 00 00000000 00112 2015 003617 00 00 00 00 00 00 00 00 00 00 4E 7500000000 Nu 00128 2015 0084130 00144 2015 004643 00168 2015 005157 00176 2000 005671 00192 2015 006184 00208 2015 006698 00224 2015 007211 The data bytes are displayed by group of 16 with the following information The first number is the position of the byte in the buffer decimal value The second number is the cell bit width of the first byte of the line If the width is 2 5 above normal the period is displayed in blue if the period is 2 5 below normal it is displayed in red The third number is the starting position of the first byte of the line in microsecond relative to the index of the track The 16 bytes are displayed in hexadecimal format Followed by the corresponding 16 ASCII characters Colors and font style are used to provide additional information Background color Light blue for invalid characters F5 F7 into gaps Coral for no flux area MFM 0x0000 OxFFFF Yellow for Sync characters MFM 0x4489 and 0x5224 Light green for bytes located inside an ID field or a Data field Character color Red for 0x4489 Sync characters A1 Navy blue for 0x5224Sync characters C2 Blue for ID bytes Black for Data and intra gap byte and for inter gap byte Bold characters For Sync characters MFM 0x4489 and 0x5224 For Id field con
5. band box is drawn that delimitates the area and when the left button is released the graph is zoomed in the area defined The scales displayed on both x and y axis are automatically adjusted function of the zoom factor Once zoomed a click with the left button allow to pan the graph Click any point in the flux graph with the left button and while keeping the button down move the cursor The image of the graph dynamically moves with the cursor When you release the mouse button the graph and the axis position are updated You can further zoom in or zoom out by using the mouse wheel If you want to reset the graphs to un zoomed state click anywhere in the Flux chart with the right mouse button this is also the way to force a redisplay Note that the same zoom factor is used to update the flux chart the clock chart and the data chart Therefore these three graphs always stay synchronized You must place the mouse on top of the flux chart to pan and zoom the charts AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 10 sur 29 AUFIT Users Manual The Disk View tab The Disk View tab allow to display the layout of the two sides of the floppy disk The following colors are used The ID field of a sector is in Yellow hard to see The Intra gap of a sector is in light green The Data field of a sector is displayed In Deep sky blue by default In Blue for over clocked sector In Aqua for under clocked segment In Purple for sector wi
6. bug of wrong section detection in random flux BatchAufit project is now ClickOnce application and Aufit exe is now automatically installed with BatchAufit Invalid sync sequence protection is now detected Major reformatting of the protection messages added ISS V1 0 May 2015 Improve support of Aufit batch mode BatchAufit Lots of GUI changes Added reload button use last saved directory added button to save log file added MaxProcessTime default 1 Maximum wait time before Aufit is killed log now includes start time elapsed time and cpu time processed succeeded failed renamed suffix to 1 0 Icon for executable Save last loaded image name This allow to reload last analyzed image on next run Added image name Aufit version in disk image Processing of line argument to enter batch mode Miscellaneous fixes in Buffer amp Disk display Added drawing of splice line when flux out of range in Data chart Added detection of jupiterMasterDRive and dragonflight protections V0 9 February 2015 Support for MSA and ST output format Detection of Drzgonflight amp Masterdrive protections Improved display of several charts V0 8 January 2015 Data View Bug fix DSR FDC see todo GUI cleaning Bug fixes GAP FDC removed file association create too many problems Save Window size and position AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 27 sur 29 AUFIT Users Manual Test Click once p
7. has changed Normal mode normal blue red violation green border Unformatted in black Odd even mode blue red Added Odd Even checkbox for flux transition chart Added Average checkbox for Clock chart Hack in DPLL to correctly read DM fuzzy bits Added call to DTC EXE if present in Aufit executable directory to automatically write ctr file from generated KF Raw files Added KF stream Raw file writer Short long sectors are now 4 above below normal instead of 3 Fixed Alternate Realty bug JMD amp DF checking limit OBB line stx Added checkbox that allow to not generate Track Data in stx file Fixed bug of ISS sometimes incorrectly detected V1 2 August 12 2015 Changed some command line parameters Added save image type currently only stx Definitively Fixed problem of racing conditions in Aufit batch mode Fixed bug for fuzzy bytes on Dungeon Master amp Chaos Strike back DPLL Fixed bug in writing incorrectly fuzzy bytes in STX for truncated sectors Added Magnifier capability in Disk View Added Tooltips on most objects and charts of Aufit Fixed scale factor for disk snapshot Checking if passed file name exists otherwise exit application Fixed bug in file names All transparent windows in Aufit are now white Added detection of Dungeon Master type of fuzzy bytes Added Data Time of build in the title bar Fuzzy bytes are now a combination of fuzzy bytes detected for all revolutions In Data View gt Sectors detection
8. marks For more information refer to Standard 9 10 11 Sectors of 512 Bytes Format Then we have information about Data fields e The Number of bytes of the sector including DAM and CRC e The start position of the Data field in microseconds e The time length of the sector in microseconds e A flag to indicate if the CRC of the Data field is good or not e A flag to indicate if the Data field has fuzzy bytes Then we have the number of bytes in the GAP located between a sector and the next sector This number includes the post data gap the pre id gap including the 3 sync marks For more information refer to Standard 9 10 11 Sectors of 512 Bytes Format AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 12 sur 29 AUFIT Users Manual Track Buffer The track buffer displays the content of the selected track as they would have been read by the Read Track Command of the WD1772 The buffer is displayed if you click the Track button M Atari FDIMAGES FLUX Airborne Ranger brume KF Airborne Ranger disk A Track 00 0 6285 bytes Length 199973 us START Bit 0 Byte Time 0 00 ms LENGTH Bit 183588 Byte 6285 Time 199973 51 us 00000 2008 000031 LLLLLLLILY Y Y 00016 1992 000525 FE 4E 4E 4E 4E 4E 4E jip OoNNNNNN 00032 1988 001052 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E NNNNNNNNNNNNNNNN 00048 2000 001564 00 00 00 00 00 00 BO 00 GO GO GO 14 A1 Al iid 00064 1992 002077 B arn ds 00080 2008 082590 IDR etes
9. offer the capability to force writing the file Normally single sided double sided detection is performed automatically by Aufit If you are getting error messages in Steem that an image of a track is missing on side 1 of the floppy image you may need to force Aufit to write file for double sided disk For that matter please check the Force DS check Box When the Optimize check box is checked the default Aufit will write compressed file smaller file size for the STX and MSA format The Debug and WriteSync check boxes are for debug purpose and normally you do not have to use them The raw stream format You can now write the KF Raw format This is only useful if you want to convert a stream file from SCP to RAW In that case Aufit creates a directory named by concatenating scp file name with conv For example if the input is warrior_d scp the output directory will be warrior_d scp conv This directory will contains many raw files one per track If the directory that contains the Aufit exe executable also contain the Kryoflux dtc exe executable Aufit will automatically call the dtc exe program with the right parameters to produce a CTR file from the created raw files The name of the crt file is the name of the scp file with conv ctr appended For example warrior_d scp conv ctr AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 20 sur 29 AUFIT Users Manual BatchAufit Program As mentioned in the Command Line Arguments
10. unpack the complete content of the release in one directory and run the program from there AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 3 sur 29 AUFIT Users Manual Running Aufit The pr by dou ogram can be started by using the Aufit shortcut provided in the start menu or ble clicking on an image file associated with the Program When the program starts you will see the following window Aufit Build 1 3 20 10 2015 16 09 44 x aii a Load image Reload Rev se Screenshot 20 0123456789 0123456789 Histogram Event Lo ne RS REA CREER 9 o Aor o be LI H LC O Log Scale 3 3 4 4 5 5 6 6 7 OU 7 s mmm s OOL Track View Disk View Data View Master View Analysis Save Image Aufit 1 3 5771 29092 M Limit Flux V Details _ O E Y A1 c2 The Aufit windows contains three main regions The first top row contains The Load Image button allows to specify an image to load The Reload button allows to reload an already specified image Once loaded the name of the image file loaded is displayed next to the Reload button The Rev field indicates the revolution currently used as well as the number of revolutions followed by a and sign that allows to select a different r
11. 0 190 200 The unprocessed flux transitions i e flux directly read from the file are displayed as a scattered chart Information about the currently displayed track is displayed at the top of this graph The Limit Flux check box limits the flux displayed on the Y axis to 10 us By default this checkbox is checked for unformatted track and is unchecked for formatted track but you can change its state at all time This is very useful when the track contains long flux transitions like with NFA to keep the graph readable Both the Histogram chart and the Flux Chart use this checkbox Note that in limit flux mode if some transitions above 10 us exists therefore located outside of the graph they are displayed as big black dots on the border see highlighted dots in graph above A standard track contains about 40000 flux transitions and by default all the flux transitions are displayed To speed up the display time for example on a slower machine you can uncheck the Detail check box in upper right corner this will limit the display to only 10000 flux transitions about 4 of the flux transitions The O E odd even check box allow to display the odd transition in blue and the even transition in red This can be useful to highlight unbalanced read channels In the upper right of this chart you have two check boxes called A1 amp C2 These check boxes are used to enable disable the display of the A1 4489 and 0xC2 5224 Sync Marks as they w
12. 0 20 revolutions as Aufit 00112 2018 007097 00 22 08 00 00 00 B 00 B 08 00 CE 20 20 00128 2031 007614 00 00 08 00 B 00 AE B 00 B 08 00 20 20 always checks fuzzy 00144 2005 008128 06 00 00 08 00 B 00 00 B 00 B 08 20 CE 20 20 H 00160 2005 008644 00 00 08 00 GO 00 00 08 00 00 08 GO 00 00 20 bytes by comparing the 00176 2015 009160 00 00 08 00 GO 00 00 08 00 08 GO B 20 00192 2015 009676 00 08 00 22 00 00 GO 00 20 08 20 ee data read for all 00208 2015 010192 00 00 00 00 00 2A O1 00 09 09 00 0 06 GO 20 available revolutions 00224 2020 010709 06 00 22 08 00 00 GO B 00 B 08 CE 20 20 In this case it seems obvious that is error is not part of a protection but due to a problem on the floppy diskette In such case you should try to clean the diskette and image it again AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 24 sur 29 AUFIT Users Manual We can even look further at the problem If we click the Sectors Buffer command we can see that on some of the revolutions the CRC is good and on some other revolutions the CRC is bad Normally a fuzzy byte always result in a CRC error Therefore this indicates that on some revolutions we have read the correct information Currently Aufit is not able to use this information to create a working Past file but may implement this feature in the future You need to be aware that on an Atari system when reading sec
13. 06238 1992 194192 06254 1984 199525 06270 1984 200035 06286 2000 200549 06302 2000 201056 For each sector we have A description for the ID Field A description for the Inner GAP Field A description for the Data field A description for the Post data Gap field JANNNNNNNN b e e YYYYYYYY Y YYYYYYYYY YYYYYYY A The ID Field description ID Field IAM FE T 00 H 00 S 01 L 2 CRC 6FCA Good START Bit 317 Byte 20 Time 0 64 ms LENGTH Bit 112 Byte 7 Time 223 57 us The description includes a line with the IAM ID Address Mark value the Track T value the Head H value the Sector S value the encoded data Length value L the CRC value an indication showing if the CRC is good or not All these values are displayed in hexadecimal Followed by the start position of the ID field relative to the index pulse and the length of the ID sector field expressed in bits bytes and time AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 14 sur 29 AUFIT Users Manual The Inner Gap field description Inner GAP Field START Bit 429 Byte 27 Time 0 86 ms LENGTH Bit 592 Byte 34 Time 1182 32 us 00027 2000 000861 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E NNNNNNNNNNNNNNNN 00043 2000 001372 4E 4E 4E 4E 4E 4E 00 00 00 00 00 00 00 00 OO OO NNNNNN 00059 2000 001885 00 00 The inner gap field contains the bytes in the gap field located between the ID field and the data fiel
14. 10 120 130 140 150 160 1 1 1 1 70 180 190 200 The data field color can change from Blue to Aqua lighter blue for under clocked sector Deep Sky Blue for overclocked sectors Purple for sector with bit width variation e g speedlock Data sectors with fuzzy bits have an orange border and data sectors with CRC error have a red border If you place the cursor over a sector in the data graph a tool tip shows up and detailed information about the sector is displayed The Data graph information uses a complex algorithm mixture of read track read address and read sector to display correctly complex tracks containing protection like Sector within sector tracks with large number of sectors tracks with one sector etc Out of band OOB flux transitions e g larger than 8300 us usually indicates splice bytes It is difficult to see them in the transition graph Therefore OOB only if located in the GAP area are displayed as red lines in the data graph If you place the cursor over one of this red line a tool tip shows up and indicates the exact position and the length of this out of band transition Zooming and Panning in the Track view When the flux chart is not Zoomed you can use the left mouse button to define a zoom area zoom in both in x and y directions Click on a first point to start the definition of the area keep the mouse button down and move to a second point to define a zoom area A rubber
15. 198 ns Track 73 0 Rev 1 Unformatted area Ent 1589 Fluxes 37959 Histo size 198 8198 ns Track 73 0 Rev 1 Unformatted area Ent 1589 Fluxes 37959 Histo size 198 8198 ns Track 73 0 Sect 1 has fuzzy bits Track 73 0 Rev 1 Flux range 3 20 13 40 ps Track length 200 063 ms Debug z 5 5 s 1 p 13846 AM c2 GR ET 2050 F 2000 1950 1 1 1 1 1 1 1 1 A 1 1 1 1 1 A 1 1 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 In this case we can see that the first sector is read with fuzzy bytes orange box in data chart and indication in the information window In fact if we further analyze the problem we can find in the fuzzy mask buffer that only two bytes at position 206 and 21 4 vary between Fuzzy bytes for sector 1 00000 2000 003505 00 00 08 00 GB 00 00 06 00 B 08 0O CE 20 20 revolutions This also 00016 2000 004013 00 00 00 00 00 00 00 00 00 00 20 20 20 20 G a 00032 2015 004526 00 00 08 00 B 00 00 B 00 B 08 0O CE G 20 why it is recommended 00048 2015 005040 00 00 08 00 00 00 00 B 00 AO 08 20 Ce B 20 00064 2005 005554 00 00 00 08 00 00 00 B 00 B CE 20 20 to sam ple at least four 00080 2015 006068 2 00 00 08 00 CE 00 00 B 00 CE 08 0O CE 20 20 g F 00896 2010 006582 2 00 00 00 00 00 00 B 00 20 09 2
16. 3 6 6 5 7 7 5 8 8 5 9 9 5 10 The Event Log window The Event Log tab displays information about the executed command For example when selecting a track it indicates the entropy the number of fluxes and the histogram size max flux value 0123456789 0123456789 2 CCC gt CCC T09 0 NFA track has No Flux Area s 1 DOCO 1 CRE Re T 2 CAES 2 DOLL Histogram Event Log Clear Log Save Log T09 0 S0 DCE DATA CRC Error T09 0 S0 FZS Fuzzy Sector 3 T09 0 S16 SWS Sector Within Sector 3 DODO gt OOC COC 4 HHHH 4 EA 709 0 516 DCE DATA CRC Error L BEBE gt AAAAAMMAA 709 0 516 Fzs Fuzzy sector BERENS BEB MMMM 10051 sws sector within Sector 7 BREE 7 BENE 7020 54 sws sector within sector BEBE s BEE On top of the information mentioned above each time you select a specific track the protections used for this track are displayed The content of this window can be cleared saved with the corresponding buttons AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 8 sur 29 AUFIT Users Manual The Track View tab Flux Transitions Chart Track View Disk View Data View Master View Analysis Save Image Aufit 1 3 5771 30450 Track 00 0 Rev 1 5 Flux range 3 08 11 61 ps Flux c ount 46838 Entropy 2 4 s 10 sectors M Limit Flux V Details O E 10 T Mat O c2 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 18
17. 3109 00738 1984 023616 01090 1984 034844 01106 1984 035354 01122 1984 035863 01138 1984 036372 01154 1984 036880 I o a j A a 1 3A 5a 7 9j 4 Al yO yyyGny1j K M4 0 SA Ua A line indicates the DAM Data Address Mark value the number of bytes of the sector without the 3 bytes for the DAM and CRC the position and length in microseconds the CRC value a flag to indicate if the CRC is good or not and a flag to indicate if the sector contains fuzzy bytes The start position of the Data field relative to the index pulse and the length of the Data field are provided expressed in bits bytes and time This is followed by the content of the DATA buffer The color used to display the bytes are explained in Track Buffer AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 15 sur 29 AUFIT Users Manual If some fuzzy bytes have been found in a sector a fuzzy mask buffer is also displayed Sector 11 Fuzzy Bytes Mask array 5998 00 00 OO 00 00 00 OO 00 OO 00 00 00 OO 00 00 00 6014 00 00 00 00 OO 00 00 00 OO OO OO 00 00 00 BO 00 6030 00 00 00 00 00 00 00 00 OO OO 00 00 00 00 BO 00 6046 00 00 00 00 00 00 00 00 00 OO 00 00 00 00 BO 00 6222 00 88 00 00 00 00 00 OO 00 OO OO 00 00 00 00 LO 6238 00 00 00 00 00 00 00 00 00 00 00 00 00 00 81 5E 6254 DE DE DE DE DE DE DE DE DE DE DE DE DE DE DE DE 6270 DE DE DE DE DE DE DE FF FF FF FF FF FF FF FF AB 6286 AB AB FE FF FF FF 7E DA EF 5E DE DE DE D
18. AUFIT amp BatchAutfit User s manual By Jean Louis Gu rin DrCoolZic Revision 1 3 October 2015 AUFIT Users Manual Table of Content AUFIT amp BatchAufit Users manual Table of CODA nn era nent Presentation ae a a leu hs Program Download Installation PRUE PCN eei Re de en in one Checking for Update nn tn e Getting Help ess ns cnrs suis Loading Image Files Command Line Arguments Aufit batch mode 000ssnnn111 Selecting a specific track Selecting a specific revolution TOOMIDS en i Nr cn in The Histogram Graphismes cire The Event Log WINKOW sense nsemeesenese The Track View Ab nu na nus Flux Transitions MAN rue sont sms Cell Width GAN cavicitistrisionieiinivisienienienivmainivaasaenies Data AON rschicentcitestcancnendventivanteecitemndndelbninamencutndsnntndatnegemgudatnite ooming and Panning in the Track view The DISK View TA aces aie aaa onnar iniia aiia The Data View Abe Rate Sectors BUT corde eee Saving Data View content The Master View tab ictescnedenineseeertanuncepiendvecytyeseueuedeeavtveseeest TheAnalysis Ab inaa Protection Analysis 5 ns tes Format PANY SIS 5 na ous The Save Image tab BatchAufit Program inner tot Checking Quality of generated images CASA Sen de ne ee iae ne ee ce Analyzing WNAQS soci ntecciesiewensaisreatnenciteaduicuitnientu
19. E DE DE 6302 DE DE DE DE DE DE DE DE DE DE DE DE DE DE DE FF To find fuzzy bytes the Aufit program read the same sector multiple times from different revolutions If the content of a byte in the same position is different the mask value is the result of a xor operation The mask array combines the fuzzy bytes found on all revolutions Mask offset Sector read _l offset Sector read 2 offset Thus same value 1 amp 1 or 0 amp 0 gives a result of zero and different value 0 amp 1 or 1 amp 0 gives a result of one For example if the same byte is read one time as 0000 1111 and the next time as 0101 0101 the mask will be 0101 1010 This mask can then be used to emulate fuzzy bits as follow FuzzyByteloffset Sector offset amp Mask offset rand amp Mask offset Where rand is a function that randomly returns true or false If the fuzzy bytes are all of type Dungeon Master i e the transitions are located in uncertain areas an indication is provided 73 fuzzy bytes of type Dungeon Master Chaos Strike Back found The Post data Gap Field Post GAP Field START Bit 9261 Byte 579 Time 18 53 ms LENGTH Bit 560 Byte 32 Time 1115 28 us 00579 1988 018525 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E NNNNNNNNNNNNNNNN 00595 1988 019035 4E 4E 4E 4E 4E 4E 4E 4E 00 0O 00 0O 00 OO OO OO NNNNNNNN The post data gap field contains the bytes in the gap located after the data field Aufit continue to read the bytes directly follow
20. T 1 3 October 21 2015 Jean Louis Guerin Page 5 sur 29 AUFIT Users Manual Command Line Arguments Aufit batch mode The Aufit program can be invoked with command arguments in that case the program run in batch mode The following arguments are accepted disk This argument requests Aufit to produce a picture of the disk layout In that case the optional scale argument allow to specify a scaling factor for the produce image scale lt scale_value gt This arguments is only useful when the disk argument is used The scale_value is used to scale the image produced When scale is not specified a default value of 1 4 is used protections This argument is used to request Aufit to produce a text file that lists all the protections detected save lt image_type gt This argument is used to request Aufit to produce an output image The image type specify the type of image Currently only stx is supported suffix lt suffix_name gt The suffix name argument is used to compose the name of the output files produced by Aufit in auto mode see below These arguments must be followed by the name of the input image file to analyze If this name contains spaces it must be enclosed in double quotes Whenever optional argument are specified in the command line other than the image file name the Aufit program is automatically run in batch mode In this mode the program executes the different operations requested by the arg
21. amp display of DM amp CSB fuzzy bytes Fixed graphical bug on the tabs of the Aufit main window Information window renames to Event log Fixed bug of Rev number incorrectly reported in Event log Fixed bug of inner and post data gap bytes possibly filtered Out of band in track data content now checking for transitions over 8 in the 3 data bands AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 26 sur 29 AUFIT Users Manual Corrected bug in Post Gap data incorrect length for SWS Aufit pdf is now located in the install directory Aufit does not crash but report an error message if help file not found Bad data in GAP are displayed in DarkOrange Data View gt Sector command This can be used to detect sector track write splice Post GAP information displayed in tool tip when hovering sector in data chart Fixed bug of incorrect message when canceling image write Fixed bug of image format detection selection when loading new image V1 1 5671 July 12 2015 Added iconized buttons for Update and Help with code behind to check for new version and display user s manual Huge change In the Data view the sector button now displays GAP buffers The Gap fields contains the bytes located after the ID and the DATA fields Aufit continue to read the bytes directly following the end of the ID DATA fields without resynchronization Splice lines are now limited to flux above 4 in GAP only gt red for inner and blue for post gap Fix
22. ber of FD images as well as an indication on the number of already analyzed images is displayed In the above example we can see that 708 images have been detected and that 130 of them have already been processed In the bottom area you will find several checkboxes that allow to specify if you want Aufit to create Disk picture Protections text and Save image in a specific format This is followed by three text boxes that allow to specify the suffix to be used when creating the output files the scale to be used when creating disk view files and the max time BatchAufit waits for Aufit to complete before processing next image a default value of 1 means wait un definitively At the bottom of the GUI are four buttons The Start button allows to start the batch execution of Aufit A progress bar indicates the percentage of images already processed The Stop button allow to stop the execution of the batch process BatchAufit waits for the execution of Aufit on the current image to terminate then stops As the program detects what images has already been processed it is possible to stop the batch processing and to restart later the execution where it was stopped even in different run of BatchAufit The Clean All button removes all the output files created by running Aufit in batch mode You should use this command with care The Exit button terminates the program Sometimes you may want to ignore specific subtrees inside the directory tree to
23. d Aufit continue to read the bytes directly following the end of the ID field without resynchronization These bytes normally correspond to what has been written on the track and are usually different from what would have been read by the read track command because of the 0x5224 resynchronization that happen during this command The start position of the GAP field relative to the index pulse and the length of the GAP field are provided expressed in bits bytes and time This is followed by the content of the GAP buffer The bytes are displayed by group of 16 with the following information The first number is the position of the byte in the track decimal value The second number is the half bit cell width of the first byte of the line If the period is 2 5 above normal the period is displayed in blue if the period is 2 5 below normal it is displayed in red The third number is the position of the first byte of the line in microsecond relative to the index of the track 16 bytes are displayed in hexadecimal The corresponding 16 ASCII characters for the 16 bytes The Data field description DATA Field DAM FB 512 bytes start at 21038us length 16415us CRC D902 Good START Bit 10525 Byte 658 Time 21 04 ms LENGTH Bit 8240 Byte 512 Time 16415 45 us 00658 1984 021072 O 00674 1984 021581 Aer aueren 0 00690 1984 022089 l 17 88 01 19 A 01 18 CO l ID EG ol IF 00 02 Arai 00706 1989 022598 ase 00722 1984 02
24. ddicted to Fun Ninja Collection SCP Shadow Warriors Rev 2 Disk 2 s M Atari FDIMAGES FLUX After The War SCP after the war di scp M Atari FDIMAGES FLUX After The War SCP after the war d2 scp M Atari FDIMAGES FLUX Air Sea Supremacy Compilation Ubisoft SCP D1 Gunship 1989 Atari ST scp M Atari FDIMAGES FLUX Air Sea Supremacy Compilation Ubisoft SCP D2 Silent Service 1989 Atari ST M Atari FDIMAGES FLUX Air Sea Supremacy Compilation Ubisoft SCP D3 P 47 Jaleco 1989 Atari ST scp M Atari FDIMAGES FLUX Air Sea Supremacy Compilation Ubisoft SCP D4 F 15 Strike Eagle 1989 Atari M Atari FDIMAGES FLUX Air Sea Supremacy Compilation Ubisoft SCP D5 Carrier Command 1989 Atari ST M Atari FDIMAGES FLUX Air Sea Supremacy Compilation Ubisoft SCP F15 only Air Sea Supremacy F M Atari FDIMAGES FLUX AMC SCP amc_d1_epson34 _rev5 scp M Atari FDIMAGES FLUX AMC SCP amc_d2_epson34 _rev5 scp M Atari FDIMAGES FLUX Andes Attack SCP andes_attack_sony_r5 scp M Atari FDIMAGES FLUX Another World Delphine Software1991 SCP AnotherWorld DiskA scp M Atari FDIMAGES FLUX Another World Delphine Software1991 SCP AnotherWorld DiskB scp M Atari FDIMAGES FLUX Antago SCP antago_sony_r5 scp M Atari FDIMAGES FLUX Archipelagos SCP Archipelagos scp fee OR he oe Pr a OO Peet th ot A ee Disk View V Protections W Save ste Suffix aufit 1 2 Scale 14 MaxProcessTime 1 Total 708 Done 130 SE Clean All An indication of the Total num
25. e with partially damaged sectors The program has been designed to be as simple as possible to use for casual users only interested in converting files In fact conversion of images can be done in batch mode without user intervention However the program also provides powerful features to deeply analyze floppy content for more advanced users Program Download Installation The Aufit and BatchAufit programs are available either as installable or as portable applications from http info coach fr atari software pc projects Aufit php The programs run under Windows Vista SP2 Windows 7 SP1 Windows 8 8 1 and Windows 10 The program requires the Microsoft NET Framework 4 5 or above The installable version uses the ClickOnce technology from Microsoft that allows to check for a newer version from Internet When a new version is available you will be ask if you want to automatically install it This implies that the program is not installed in the standard location The ClickOnce deployment of Aufit creates an Aufit shortcut in DrCoolZic Program Group under Start menu C Users Your Login AppData Roaming Microsoft Windows Start Menu And the actual program is actually installed inside the following directory C Users Your Login AppData Local Apps 2 0 To install the program just execute the setup exe file The portable version does not uses ClickOnce technology and therefore cannot check for new version To use the portable version just
26. erin Page 23 sur 29 AUFIT Users Manual For examples here is the result of reading an image of Sherman M4 Directory File MAAtari KRYOFLUX Stream Images _Brume Sherman M4 French Sherman M4 French Limit Flux N DispRead Slow 012345678 iii 2 Logarithmic Scale C Mi D si 6 7 E i i 1 i A a f 1 8 3 5 4 45 5 5 5 6 65 7 75 8 85 9 95 10 We can see that we have several tracks with a yellow background If we click on some of these tracks we will find that in fact they are corrects But if we click on track 66 we can see than sector one has a lot of dirty flux transitions Thanks to the DPLL these variations can be corrected and we are able to read the sector correctly This is indicated by the fact that all the sectors read without CRC error But if we select the track 73 and zoom on the first sector area we can see that we also have dirty flux transitions but here the DPLL is not capable to decode the information correctly File Mi Atari KRYOFLUX Stream Images _Brume Sherman M4 French Sherman M4 French Limit Flux y DispRead Slow Histogram Information Track 73 8 Rev Z Unformatted area Ent 1619 Fluxes 37957 Histo size 199 8249 ns Track 73 8 Rev 2 Unformatted area Ent 1619 Fluxes 37957 Histo size 199 8248 ns Track 73 0 Rev 1 Unformatted area Ent 1589 Fluxes 37959 Histo size 198 8
27. essnentenidiendnentmente Programi ISTO otneiauticetrcctircntcasboauteetbautuastdautuastbentonethuetuatoantne AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 2 sur 29 AUFIT Users Manual Presentation AUFIT is the acronym for Atari Universal Floppy Disk Image Tool This document describes the usage of the AUFIT and BatchAufit Programs The Aufit program analyzes and converts Atari Floppy Disk images Results from analysis can be displayed using different Graphical and Text windows views The floppy disk image can also be converted to several formats used by emulators For example the Aufit program is frequently used to convert input Stream files to a format suitable for Atari emulators It is for example possible to convert raw or scp stream files to the Pasti stx format used by many Atari emulators Currently the supported input formats are scp SuperCard Pro and KryoFlux raw and the supported output formats are stx format for protected diskette and st msa for non protected diskettes as well as raw stream file Aufit performs deep analysis of floppy disk images and displays very detailed information For example it is possible to display the disk layout to detect most of the key disk protections used by a game or to analyze the quality of the disk image The analysis of the FD content allows in some cases an automatic correction of errors found during imaging For example it is sometimes possible to correctly save an imag
28. evolution number see Selecting a specific revolution The Screenshot button allows to save a picture of the Aufit window The Update button checks on the Web if a new version of the program is available only for the installable version The Help button displays this document The second row contains the track grid region on the left and the Histogram Event Log region on the right The third row region contains different tabs used for specific functions Track view Disk view Data view Master view Analysis and Save image AUFIT 1 8 October 21 2015 Jean Louis Guerin Page 4 sur 29 AUFIT Users Manual Checking for Update When you click the Check Update button the program check on Internet if a new version is available If a new 7 Limit Flux sera 0 version is available you are proposed to install it and restart 6 the program A Getting Help When you click the Help button the program displays this _ user s manual 7 Limit Flux Save Pict 20 6 Loading Image Files After starting Aufit the first thing to do is to load a Floppy disk image This image can be composed of a single file SuperCopy Pro scp file or of a set of KryoFlux raw files In the latter case all the raw files that compose the image must be located in a single directory and must all have the same root name followed by TrackNum followed by Side followed raw This is the standard naming conven
29. ing the end of the DATA field without resynchronization These bytes normally correspond to what has been written on the track and are usually different from what would have been read by the read track command because of the 0x5224 resynchronization that happen during this command The start position of the GAP field relative to the index pulse and the length of the GAP field are provided expressed in bits bytes and time This is followed by the content of the GAP buffer Saving Data View content For any of the data view buffer Layout Track Sectors it is possible to save the buffer in RTF format using the Save button The RTF format allow to keep all formatting information for example the font weight the color etc You can use a RTF reader like Microsoft Word to load the RTF format and save it for example in PDF AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 16 sur 29 AUFIT Users Manual The Master View tab The Master view displays floppy disk mastering information Not yet implemented Do not use The mastering information contains the disk data how it is stored and hence how to write it back and also other things needed to store copy protection like how dense the data is at any part of each track It is interesting to note that this information does not contain directly detailed information often found in other preservation formats For example the timing information measured by an image preserva
30. ion s are also saved Selecting a track highlight the track in the Disk View AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 11 sur 29 AUFIT Users Manual The Data View tab The Data view allow to display information about the layout the read track content and the read sectors content of the currently selected track The data view contains MFM check box on bottom left This check box allow to display the content of the buffers plus an extra line that displays the content of the MFM register The Save content button allow to save the content of data view in rtf format This format allow to keep the formatting information color font etc and it must be loaded with a program like Microsoft Word The Layout Track Sectors buttons are used to display the track content as explain below Layout The Layout button allows to see the layout of the selected track This information is displayed in an array M Atari FDIMAGES FLUX _KF_Done Chaos Strike Back KF Chaos Strike Back brume raw Track 00 0 6285 bytes has 10 sectors We first have information about the ID field e The sector number e The start position of the ID field in microseconds e A flag to indicate if the CRC of the ID field is good or not Then we have the number of bytes in the GAP located between the ID and Data field This number includes the post id gap the pre data gap including the 3 sync
31. n among the one sampled with the and buttons located at the upper right corner of the program window Selecting a specific revolution affects the information displayed in the different graphs Tooltips Almost all visual objects in Aufit have an associated tooltip For example place your mouse over a button or a checkbox and a short explanation about usage of this object is provided as long as you leave the mouse over it For graphs you will find an image with a question mark on the top left of the graph Place the mouse over this image and a tooltip will show up that gives indication about the content of the graph AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 7 sur 29 AUFIT Users Manual The Histogram Graph The histogram graph located at the right of the selection grid represents the repartition of the flux transitions Normally you should see three pics at 4 6 and 8 microseconds Histogram Information Logarithmic Scale 2 2 5 3 3 5 45 5 3 6 6 5 7 7 5 8 8 5 9 9 5 10 It is sometimes interesting to click the Logarithmic Scale check box to switch to a logarithmic scale on the Y axis This allow to see information not visible on a linear scale For example with the game Dungeon Master you will see that the histogram has a lot of entries between 4 and 6 microsecond due to the sliding fluxes pattern used as a protection for this game Logarithmic Scale 2 2 5 3 A3 45 5
32. on analysis Other analysis will be added at later time Protection Analysis To perform a protection analysis just click the Protections button The result of the analysis of all the track is displayed To save the result of analysis in text format you can use the Save button Protection analysis for M Atari FDIMAGES FLUX Dragonflight SCP Dragonflight A scp TO0 0 hidden data in GAP dragonflight T00 0 S1 invalid head side number 48 IHN T00 0 S2 invalid head side number 48 IHN T00 0 S3 invalid head side number 48 IHN T00 0 S4 invalid head side number 48 IHN TO0 0 S5 invalid head side number 48 IHN TO0 0 S6 invalid head side number 48 IHN T00 0 S7 invalid head side number 48 IHN TO0 0 S8 invalid head side number 48 IHN TO0 0 S9 invalid head side number 48 IHN TO0 0 S10 invalid head side number 48 IHN hidden data in GAP dragonflight S1 invalid track number 178 ITN S1 invalid head side number 48 IHN S2 invalid track number 178 S2 invalid head side number 48 IHN S3 invalid track number 178 S3 invalid head side number 48 IHN S4 invalid track number 178 S4 invalid head side number 4 S5 invalid track number 178 S5 invalid head side number 4 S6 invalid track number 178 8 IHN 8 IHN OHS OO OS ONS OS DO OO Oro OS DOS OS Sp pes fey pes ee ese esr EN EN NET es zt rel Vel Ural tel deel Teel deel tee el te ONO TOO SO OO OS The following protection
33. ould be detected by the WD1772 using a Read Track command i e with the sync detector activated at all time You need to refresh the display to see or hide the sync marks By default the A1 sync marks red lines are displayed and the C2 sync marks blue lines are not displayed Cell Width Chart The Cell Width chart displays the width of decoded cell as computed by the internal WD1772 DPLL clock The nominal cell width is 2000ns but this value can vary a lot for over under clocked sectors tracks The Y scale is automatically adjusted 2150 2100 M vg 2000 1950 f 1900 1 i i i i A 1 i i i i R 1 i i i i A When the Avg checkbox is checked the default the graph displays a smoothed running average of the bit width computed by the DPLL When Avg is unchecked the graph display directly the cell width unprocessed AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 9 sur 29 AUFIT Users Manual The Cell Width normally stays relatively stable around the 2000ns period but for protection like Copylock usually the values goes from 2000 to 2100 5 increase inside a sector Some protections overclock or underclock the complete track Data Graph This graph displays all the sectors found on a track The ID field is displayed in yellow you need to zoom to see it The Intra gap field is displayed in light green The Data field is displayed in blue 1 1 1 n 1 1 1 1 1 1 fi 1 1 1 1 0 10 20 30 40 50 60 70 80 90 100 1
34. ous site and videos on the net that explain in detail these operations Important things to know when cleaning a floppy diskette The side with an etiquette is the second logical side side head 1 of the diskette The side with the hub that engages with the drive motor is the first logical side side head 0 of the diskette So if you find problems on side head 0 you need to clean the side without the etiquette what refer as the back side and if you find problems with side head 1 you need to clean the side with the etiquette what refer as the front side Analyzing Images Now let s move on the heart of the subject e How do l find if the image have done is of good enough quality For that matter we use the Aufit program You first need to read the image you have created as explain in Reading Image Files section When the program read the image it already display useful information in the Track grids as the background color of each track is an indication of possible problem A normal track has a light green background an unformatted track has a light gray and a track with potential problem is displayed in yellow At this stage only a quick Shannon Entropy analysis is done on the flux transitions histogram and a yellow color usually indicates track with partially unformatted areas or incorrectly imaged track but always require a more complete analysis AUFIT 1 3 October 21 2015 Jean Louis Gu
35. rin Page 19 sur 29 AUFIT Users Manual The Save Image tab When you select this tab you are presented with information about the possible format you can use to save the current image Currently three families of formats exist The non protected byte formats includes ST MSA DIM The protected byte format STX IPF The bit stream format RAW Aufit includes an auto recovery feature When you write the content of a floppy disk that contains sector s errors the program will try to recover the information about this sector from another revolution You first have to select the output format you want to use from a combo box on the left If it is not possible to use a specific format with the current data for example ST format for floppy disk using protection it will be grayed When you click the Write Image button a form open and ask you the location and the name of the file to write If the file already exist a window will pop up and ask you if you want to replace the existing file As soon as you close this form the output file is written and some information is displayed in the main window including error recovered and potential problems Reminder In order to produce a correct file you must use images with data for at least three revolutions but a value of five is recommended especially for floppies in bad condition If not enough data revolutions have been imaged a window will pop up and warn you You are still
36. s are currently analyzed Track Protections SHT Short track LGT Long track NFA No Flux Area SHT DBI Shifted track Data beyond index SHT DOI Shifted track Data over index SHT IBI Shifted track ID beyond index SHT IOI Shifted track ID over index IDG Invalid data into GAP HDG Hidden data into Gap Dragonflight amp Jupiter Masterdrive protections ISS Invalid Sync Sequence Sector Protections DSN Duplicate sector number IIF NDI Invalid ID Field Nonstandard IAM IIF ITN Invalid ID Field Invalid track number IIF IHN Invalid ID Field Invalid Head Number IIF ISN Invalid ID Field Invalid Sector number IIF ISL Invalid ID Field Invalid sector Length IIF ICE Invalid ID Field ID CRC error SWS Sector within sector DCE Data CRC Error AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 18 sur 29 AUFIT Users Manual FZS Fuzzy Sector NSD Nonstandard DAM LGS Long sector SHS Short sector SBV Sector bit rate variation SND Sector with no data Non sequential sector number for ST format Nonstandard sector size for ST format For more details about these protections please refer to my document Atari Floppy Disk Copy Protection Note that protections are also analyzed in other views when a Track is selected You can see the result in the Information window Remember that a track that contains protection or error is displayed in Orange in the track grid Format Analysis TODO AUFIT 1 3 October 21 2015 Jean Louis Gue
37. se modified version of the DSR from IPF library thanks to IFW from SPS changed clock reference to half bit width removed rev 0 capability V0 4b March 1 2014 Color scheme changed improve disk data fix pre sync data problem and fix fuzzy assertion error in compare mode V0 3a February 17 2014 Check for incomplete information when writing Pasti Corrected NFA display improved FDC emulation More robust should be able to read corrupted Floppy Disk V0 2c January 22 2014 Bug fixes on Pasti Files generated V0 2a January 18 2014 Major change is the capability to write Pasti files This is still experimental Bug fixes and better read track report Now Buffer display uses the currently displayed revolution This allow to compare the decoded data for the different revolutions V0 1b January 9 2014 Fixed one very nasty and tough to find bug In Net framework when you click a form to select a file the click event is not flushed and you get it back as a button click Also improved memory usage V0 1a January 9 2014 Compared to initial release Protection analysis has been added So only missing initial features is Pasti write capability Known problems Run out of memory easily GUI freeze with DISK DATA command V0 0 January 6 2014 Initial alpha release on request AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 29 sur 29
38. ssing a tree of FD images AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 6 sur 29 AUFIT Users Manual Selecting a specific track Once the FD image is loaded the information for the first track of the disk is displayed in the different AD DER graphs In the top left corner of the Aufit window HHHH you find two grids one for each side of the floppy ARR that are composed of track selection buttons 6 DE 3 OOOO Each grid element correspond to a track and the color of the background used gives information about the analyzed track e Lime green for normal tracks e Orange for protected tracks e Blue for tracks without normal sector but that have data following a 3 sync mark sequence This usually indicates a data track e Light blue for tracks with possible data detected but no sync sequence e Slate gray for unformatted empty tracks e White indicates tracks that have not be imaged The currently selected track button is identified with a larger black border around the button You can click on any button of the track grid except non imaged track to select a specific track Once a track grid is active for example by clicking on a track selection button you can change selection from one track to its neighbor by using the four direction keys left right up down of your keyboard Selecting a new track will update the different views Selecting a specific revolution You can select a specific revolutio
39. tari forum com viewtopic php f 102 amp t 25854 amp start 525 p263646 http www atari forum com viewtopic php f 102 amp t 25854 amp start 250 p248282 http www atari forum com viewtopic php f 102 amp t 25854 amp start 275 p248377 Fixed nasty bug in DSR for Skateball game New Disk Layout display design New Main window layout using tabs for Track view Disk view Content Analysis Save Specify file dir to read from menu drag and drop double click Drawing disk layout now uses multi threading now reading and processing of flux data is using heavy multi threading Added out of band flux display in Disk layout window AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 28 sur 29 AUFIT Users Manual code and documentation cleaning detection of ID over index on top of data over beyond index optimization of STX file using data from track for sector save space support for stream file drop in main window protections rewritten completely uses new flags on new DS capability to save pictures of main screen and Disk layout Handle correctly intra sector bit width variation FDC speed improvement all sectors read in one pass in most cases removed read directory and dependency on Ookii Dialogs Wpf dll This version uses new packed data structures to be prepared to interface with IPF lib now flux samples are stored in ns and speed correction is done at reading time Completely rewritten FDC module with more clean routines u
40. tent AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 13 sur 29 AUFIT Users Manual Sectors Buffer The sector buffer is displayed if you click the Sector button The sector buffer displays the content of the selected track as they would have been read by the Read Address and Read Sector commands of the WD1772 But it also includes information that can t be read by the WD1772 the GAP contents This information is most of the time different from what is read with the read track command because of the false sync problem of the WD1772 The information for each sector is displayed like this Sector 11 ID Field IAM FE T H 00 S B L 2 CRC A425 Good START Bit 95357 Byte 5960 Time 190 10 ms LENGTH Bit 112 Byte 7 Time 223 66 us Inner GAP Field START Bit 95469 Byte 5967 Time 190 33 ms LENGTH Bit 496 Byte 28 Time 987 94 us 05967 1988 190327 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E 4E NNNNNNNNNNNNNNNN 05983 2000 190837 4E 4E 4E 4E 4E 4E 00 00 00 00 0O 00 NNNNNN DATA Field DAM FB 512 bytes start at 191315us length 16480 us CRC FFFF Bad Fuzzy sector START Bit 95965 Byte 5998 Time 191 32 ms LENGTH Bit 8240 Byte 512 Time 16480 59 us 05998 2000 191348 06014 1984 191859 06030 1984 192368 06046 2000 192880 06062 1984 193388 06078 1984 193897 06094 1992 194192 06119 1992 194192 06126 1992 194192 06142 1992 194192 06158 1992 194192 06174 1992 194192 06199 1992 194192 06206 1992 194192 06222 1992 194192
41. th bit rate variation e g speedlock Data sector with CRC error and or Fuzzy bytes are displayed in Orange No Flux region are displayed in Red Unformatted track in Gray Data track in Blue Track with data in band but no sync in Yellow Data bits outside normal range are displayed in White Track View Disk View Data View Master View Analysis Save Image Aufit 1 2 5702 16770 MAAtari FDIMAGES FLUX KF_Done Airborne Ranger KF Airborne Ranger disk A raw Aufit 1 2 5702 16770 Picture Resolution High Med Low W Out of Band Unformatted NFA Magnifier Save Picture Redraw It is possible to save a picture of the layout with the Save Picture button The picture can be saved with 3 resolutions high medium low The Out of Band checkbox forces display of Out of Band transitions in white The Unformatted NFA checkbox forces to display of NFA region even in an unformatted track The Magnifier checkbox allow usage of the disk magnifier Once enabled placing the mouse over the disk displays a magnified picture The mouse wheel can be used to change the magnification factor zoom in or zoom out Using the right mouse button reset to the default zoom factor In order to be able to save a magnified region it is possible to freeze it This can be done with the mouse left button one click freeze next click unfreeze It is possible to use two independent magnifier regions for side 0 and 1 When saving the picture the magnified reg
42. tion produced by the dtc program For example you can have a directory that contains the files awesome 00 0 raw awesome 00 1 raw awesome 01 0 raw etc To read all these files you just need to click on any of the raw files inside this directory and all the other related files will be automatically read There are three methods to specify the location of a floppy disk image in Aufit You can use the Load Image buttons An open file dialog box will be displayed and you just specify the file to load The name of the last file opened is saved even between Aufit sessions This allows to use the Reload button to reload the last loaded image You can drag a floppy image file from the Windows Explorer and drop it into the Aufit program main window You can double click on an image file associated with the Aufit program This will start the program and load the image The load operation is performed in two phases First the file s is are read this is a very IO intensive operation Then the image is analyzed this is a very CPU intensive operation To maximize performance the Aufit program is multi threaded and will use many cores threads when available Note To fully benefit from the Aufit stream analysis you need to sample an Atari floppy disk with a minimum of at least three revolutions for each track but five is the recommended value Please refer to the imaging tools documentation to create FD images with 5 revolutions AUFI
43. tion tool is not stored but the format description can for example indicate that specific sectors of a track uses a well known bit cell density variation The result is therefore perfect as the timings are not subject to measurement errors The mastering information can be saved in IPF format and this allow to use the KryoFlux mastering system to write a perfect diskette even if the input image generated by a KryoFlux or SuperCard Pro board has lots of imperfections To generate the mastering information Aufit performs an automatic recognition of known disk formats Finding the original mastering description can be compared to breaking a vault combination lock it is a very hard process but once done you know that you have a perfect result TO0 0 STD MFM 9x512 9 Blocks 6250 Bytes xxx Gap yyy Data Auto Density Start E zzzz BO PED DUT EGro JL Sgen 5412 SYNC 3 MFM Word 4489 4489 4489 HEAD 7 DEC Bytes FE 00 00 01 02 CA 6F IGAP 34 DEC Bytes SYNC 3 MFM Word 4489 4489 4489 DATA 515 DEC Bytes Bl ID DATA Sector 2 Length 512 SYNC 3 MFM Word 4489 4489 4489 HEAD 7 DEC Bytes FE 00 00 01 02 CA 6F IGAP 34 DEC Bytes SYNC 3 MFM Word 4489 4489 4489 DATA 515 DEC Bytes Wesel WOO 0 6250 Bytes xxx Gap yyy Data Density Auto First sector 1 starts 2222 Recognized as STD MFM 9x512 AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 17 sur 29 AUFIT Users Manual The Analysis tab Currently the Analysis view only contains the protecti
44. tors from a diskette an automatic retry is performed anytime a sector is not read correctly This retry is transparent to the user and is used more often than you think Therefore when you have problem clean the floppy and recreate new image and if this still fails try to recreate the image several times If the floppy is only marginally not read this may allow you to create a good image In order to find all possible problems you first need to run the Protection command and for each protected track displayed with a red background in the track grid you need to check if the problem comes from known protection or from dirty flux transitions Unfortunately it seems very difficult to find out about bad images automatically and this is why you need to do a visual inspection using the different features of the Aufit program AUFIT 1 3 October 21 2015 Jean Louis Guerin Page 25 sur 29 AUFIT Users Manual Program History V1 3 October 21 2015 Major change in the Database Typical size of database after Read Process image is now down to 650 MB instead of 900 MB While reading processing file the button matrix is now disabled to avoid problems Fix added tool tips to reflect changes In flux transition graph when flux limit is checked a flux transition bigger than 10000 us is displayed as big black dots at the border of graph This indicates the presence of flux transitions beyond the graph limit Color usage in transition chart
45. ublishing Buffer Windows are gone replaced by the Data View tab with better functionalities V0 7 January 2015 Auto recovery Improve Disk view Lots of bug fix Auto safe mode for really bad images Added auto safe mode safe but slower mode when sector not found Analysis GUI Speed DiskGui Bug fixes Fix DSR bug on sync seq FDC detect sync at edge of index bug fixes Fixed 0 6 5476 33179 Crackdown 2D KF Sector not found Fixed 0 6 5476 18307 Computer Hits V2 SCP D2 sector missing on some tracks Crackdown SCP D1 amp D2 crash Auto recovery feature added to automatically write good pasti Fixed 0 6 5473 34262 Chicago 90 crash Fixed 0 6 5472 17463 Gunship SCP track 21 0 Bad Fuzzy report first sect due to NFA Fixed 0 6 5473 16121 Barbarian scp d2 invalid file content error cannot display Fix bug Kickoff 2 SCP NFA not decoded correctly again cant display right info Fix bug NFA not working for Dr Doom Revenge now NFA handled at read time NOTE SCP file does not provide information about index position in flux Therefore it is impossible to do something clean when we have NFA over index Fix bug sector not found due to unformatted sectors Crossbow D1 RoadBlaster improve Disk View cursor display amp speedup Track View V0 6 December 2014 Freeze for Beta release to Brume V0 5 December 2014 Major rewrite of Aufit internals Fix non working STX for Jupiter master drive Gunship P 47 http www a
46. uments and then terminates During execution of Aufit in batch mode it is recommended for performance reason not to place the mouse cursor on top of Aufit s window For example the following line Aufitwexe disk view scale O save Stx Ssuffix aurit 10 Se awesome diskiscep7 Invokes Aufit in batch mode requesting a disk picture and a stx pasti file The name of the output files produced are the following Disk image base_name disk suffix_name png Protections base_name protections suffix_name txt STX file base_name image suffix_name stx The base name depends of the type of the input image e Fora scp files the base name is directly the input name For example if the input is c awesome awesome_d1 scp the base name is the same e Kryoflux raw files are located in a directory that contains all the raw files For example the directory c awesome awesome_d1 contains the tracks track00 0 raw track00 1 raw track01 0 raw etc In that case the base name is c awesome awesome_d1 raw Examples of output c awesome awesome_dl scp disk aufit_1 0 png c awesome awesome_dl raw disk aufit_1 0 png It is therefore possible to create a command file that for example finds the floppy disk images in a directory tree and invoke Aufit with the right parameters As DOS command files are not easy to write also provide the BatchAufit program with a nice GUI that automatically invokes Aufit in batch mode with the appropriate parameters for proce

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