DataMuseum.dk

Presents historical artifacts from the history of:

ICL Comet

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about ICL Comet

Excavated with: AutoArchaeologist - Free & Open Source Software. 

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Index: 5 C I L

⟦bb964b03a⟧ Bits:30004231/Comet_A2.imd Videre med REGN (Comet & IBM-PC), 5¼" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 204800 (0x32000)
    Description: Bits:30004231/Comet_A2.imd Videre med REGN (Comet & IBM-PC)
    Types: 5¼" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CP/M-fs(512_1024_0x0_16_*3+1+3+2_2:0_39:0)

CpmFSAuto

Media:             [0, 0, 1] … [39, 0, 10] {512: 400}
Signature:         512_1024_0x0_16_*3+1+3+2_2:0_39:0
Confidence score:  +14/-0
Sector size:       512
Block size:        1024
Directory entries: 16
Block number size: 8
Extent-mask:       0x00
Sector-interleave: 1, 4, 7, 10, 3, 6, 9, 2, 5, 8
Tracks:            (2, 0), (3, 0), (4, 0), (5, 0), (6, 0), (7, 0) […] (34, 0), (35, 0), (36, 0), (37, 0), (38, 0), (39, 0)
user bc length name artifact
0 0 12800 LAFOLK1B.ARK ⟦1651142a8⟧
0 0 12800 LAFOLK1V.ARK ⟦84c8304b1⟧
0 0 12800 LAFOLK2.ARK ⟦72abeb3e1⟧
0 0 12800 LAGYM.ARK ⟦793b29c2d⟧
0 0 12800 LKOMBOG.ARK ⟦3d713a7ca⟧
0 0 12800 LKOMBYER.ARK ⟦d8bada5de⟧
0 0 12800 LKOMFOLK.ARK ⟦c641e1345⟧
0 0 12800 LKOMSKOL.ARK ⟦15054721c⟧
0 0 12800 LKVALD18.ARK ⟦55273fe6f⟧
0 0 12800 LKVALD40.ARK ⟦c668045b8⟧
0 0 12800 LKVALD55.ARK ⟦0ea77cbc2⟧
0 0 12800 LKVBORGM.ARK ⟦823c42cef⟧
0 0 12800 LKVMANDA.ARK ⟦32952c38b⟧

CP/M filesystem probe

Geometry: [[0, 0, 1], [39, 0, 10]]

First credible dirsect is: (2, 0, 1) at 0x2800 with 0x0 attribute records

Credible directory tracks:
   (2, 0)  0x2800 14-0-0-1-0-0-1-0-0-1

Total credibility: 13

Block number width: ok8

   8     0     2   170     0  False
  16     0    14 43432     0   True

Block Sizes:
    1024 0x00 +13 -0
     128 0x00 +0 -13
     256 0x00 +0 -13
     512 0x00 +0 -13
    2048 0x01 +0 -13
    4096 0x03 +0 -13
    8192 0x07 +0 -13
   16384 0x0f +0 -13
   32768 0x1f +0 -13
   65536 0x3f +0 -13

Candidate interleaves in order of directory credibility:

Penalty  Name         Order                                                                     Resulting dir order
      0  Butler3      (1-4-7-10-2-5-8-3-6-9)                                                    [13]   +13/-8
      0  normal-1     (1-2-3-4-5-6-7-8-9-10)                                                    [13]   +13/-11
      0  normal-2     (1-3-5-7-9-2-4-6-8-10)                                                    [13]   +13/-11
      0  normal-3     (1-4-7-10-3-6-9-2-5-8)                                                    [13]   +14/-0
      0  normal-4     (1-5-9-3-7-2-6-10-4-8)                                                    [13]   +13/-12

File & label names found:
  0x0002800 (2, 0, 1)
    ProbeDirEnt {status=0x00, name=»LAFOLK1VARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=02030405060708090a0b0c0d0e000000}
    ProbeDirEnt {status=0x00, name=»LAFOLK1BARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=0f101112131415161718191a1b000000}
    ProbeDirEnt {status=0x00, name=»LAFOLK2 ARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=1c1d1e1f202122232425262728000000}
    ProbeDirEnt {status=0x00, name=»LAGYM   ARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=292a2b2c2d2e2f303132333435000000}
    ProbeDirEnt {status=0x00, name=»LKOMFOLKARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=363738393a3b3c3d3e3f404142000000}
    ProbeDirEnt {status=0x00, name=»LKOMBYERARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=434445464748494a4b4c4d4e4f000000}
    ProbeDirEnt {status=0x00, name=»LKOMSKOLARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=505152535455565758595a5b5c000000}
    ProbeDirEnt {status=0x00, name=»LKOMBOG ARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=5d5e5f60616263646566676869000000}
    ProbeDirEnt {status=0x00, name=»LKVMANDAARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=6a6b6c6d6e6f70717273747576000000}
    ProbeDirEnt {status=0x00, name=»LKVBORGMARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=7778797a7b7c7d7e7f80818283000000}
    ProbeDirEnt {status=0x00, name=»LKVALD18ARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=8485868788898a8b8c8d8e8f90000000}
    ProbeDirEnt {status=0x00, name=»LKVALD40ARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=9192939495969798999a9b9c9d000000}
    ProbeDirEnt {status=0x00, name=»LKVALD55ARK«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=9e9fa0a1a2a3a4a5a6a7a8a9aa000000}
+  14 -   0 <Tree 0x0-0x19000-0x32000>
+  13 -   8 <Tree 0x0-0x19000-0x32000>

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