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 P T

⟦478f0090a⟧ Bits:30004181 COMAL-80 ver. 1.1 for COMET, 5¼" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 204800 (0x32000)
    Description: Bits:30004181 COMAL-80 ver. 1.1 for COMET
    Types: 5¼" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CpmFSAuto_512_1024_0x0_32_*3+1+3+2_2:0_39:0

CpmFSAuto

Media:             [0, 0, 1] … [39, 0, 10] {512: 400}
Signature:         CpmFSAuto_512_1024_0x0_32_*3+1+3+2_2:0_39:0
Confidence score:  +9/-0
Sector size:       512
Block size:        1024
Directory entries: 32
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 23040 COMAL-80.1 ⟦eac07251a⟧
0 0 38400 COMAL-80.COM ⟦65f0927db⟧
0 0 27392 COMAL80S.COM ⟦391de947f⟧
0 0 7424 PIP.COM ⟦7f9e12a92⟧
0 0 768 TRANS.COM ⟦94164cd13⟧

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 9-0-0-2-0-0-1-0-0-1

Total credibility: 9

Block number width: ok8

   8     0     2   125     0  False
  16     0    66 24671     0   True

Block Sizes:
    1024 0x00 +9 -0
    2048 0x01 +1 -8
    4096 0x03 +1 -8
    8192 0x07 +1 -8
   16384 0x0f +1 -8
   32768 0x1f +1 -8
   65536 0x3f +1 -8
     128 0x00 +0 -9
     256 0x00 +0 -9
     512 0x00 +0 -9

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)                                                    [8, 1]   +9/-2
      0  normal-3     (1-4-7-10-3-6-9-2-5-8)                                                    [8, 1]   +9/-0

File & label names found:
  0x0002800 (2, 0, 1)
    ProbeDirEnt {status=0x00, name=»COMAL-80COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=02030405060708090a0b0c0d0e0f1011}
    ProbeDirEnt {status=0x00, name=»COMAL-80COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=12131415161718191a1b1c1d1e1f2021}
    ProbeDirEnt {status=0x00, name=»COMAL-80COM«, xl=0x02, bc=0x00, xh=0x00, rc=0x2c, al=22232425262700000000000000000000}
    ProbeDirEnt {status=0x00, name=»COMAL80SCOM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=28292a2b2c2d2e2f3031323334353637}
    ProbeDirEnt {status=0x00, name=»COMAL80SCOM«, xl=0x01, bc=0x00, xh=0x00, rc=0x56, al=38393a3b3c3d3e3f4041420000000000}
    ProbeDirEnt {status=0x00, name=»PIP     COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x3a, al=434445464748494a0000000000000000}
    ProbeDirEnt {status=0x00, name=»COMAL-801  «, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=4b4c4d4e4f505152535455565758595a}
    ProbeDirEnt {status=0x00, name=»COMAL-801  «, xl=0x01, bc=0x00, xh=0x00, rc=0x34, al=5b5c5d5e5f6061000000000000000000}
  0x0002e00 (2, 0, 4)
    ProbeDirEnt {status=0x00, name=»TRANS   COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x06, al=7d000000000000000000000000000000}
+   9 -   0 <Tree 0x0-0x19000-0x32000>
+   9 -   2 <Tree 0x0-0x19000-0x32000>

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