DataMuseum.dk

Presents historical artifacts from the history of:

CP/M

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

See our Wiki for more about CP/M

Excavated with: AutoArchaeologist - Free & Open Source Software. 

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Index: 5 A C I L T U

⟦2c1de5642⟧ Bits:30005891 Label program og COMPAS Pascal v3.03, 5¼" Floppy Disk, CpmFSCr16, ImdContainer

    Length: 709632 (0xad400)
    Description: Bits:30005891 Label program og COMPAS Pascal v3.03
    Types: 5¼" Floppy Disk, CpmFSCr16, ImdContainer
    Notes: CP/M-fs(512_2048_0x0_64_*1+1_1:0_1:1)

CpmFSCr16

Media:             [0, 0, 1] … [76, 1, 9] {512: 1386}
Signature:         512_2048_0x0_64_*1+1_1:0_1:1
Confidence score:  +10/-0
Sector size:       512
Block size:        2048
Directory entries: 64
Block number size: 16
Extent-mask:       0x00
Sector-interleave: 1, 2, 3, 4, 5, 6, 7, 8
Tracks:            (1, 0), (2, 0), (3, 0), (4, 0), (5, 0), (6, 0) […] (6, 1), (5, 1), (4, 1), (3, 1), (2, 1), (1, 1)
user bc length name artifact
0 0 384 ANITTA.LAB ⟦6b226ac34⟧ TextFile
0 0 32384 COMPAS.CMD ⟦59d2933ac⟧
0 0 2304 COMPAS.ERM ⟦29279e2b4⟧ TextFile
0 0 12032 COMPAS.HLP ⟦03a2fd4e4⟧ TextFile
0 0 11520 LABEL.CMD ⟦0afe97bb3⟧
0 0 1408 UD.FIL ⟦eecb8befc⟧ TextFile
0 0 15360 UDSKRIV.CMD ⟦0accd79d0⟧

CP/M filesystem probe

Geometry: [[0, 0, 1], [76, 1, 9]]

First credible dirsect is: (1, 0, 1) at 0x2400 with 0x0 attribute records

Credible directory tracks:
   (1, 0)  0x2400 9-1-1-1-0-0-0-0-1

Total credibility: 8

Block number width: ok16

   8     0     1    41    32  False
  16     0     1    41     0  False

Block Sizes:
    2048 0x00 +8 -0
    4096 0x01 +2 -6
    8192 0x03 +2 -6
   16384 0x07 +2 -6
   32768 0x0f +2 -6
   65536 0x1f +2 -6
     512 0x00 +1 -7
    1024 0x00 +1 -7
     128 0x00 +0 -8
     256 0x00 +0 -8

Candidate interleaves in order of directory credibility:

Penalty  Name         Order                                                                     Resulting dir order
      0  normal-1     (1-2-3-4-5-6-7-8-9)                                                       [8]   +8/-67
      0  normal-2     (1-3-5-7-9-2-4-6-8)                                                       [8]   +8/-73
      0  normal-3     (1-4-7-2-5-8-3-6-9)                                                       [8]   +8/-68
From the beastiarium: CpmFSCr16   +10/-0

File & label names found:
  0x0002400 (1, 0, 1)
    ProbeDirEnt {status=0x00, name=»COMPAS  HLP«, xl=0x00, bc=0x00, xh=0x00, rc=0x5e, al=01000200030004000500060000000000}
    ProbeDirEnt {status=0x00, name=»COMPAS  ERM«, xl=0x00, bc=0x00, xh=0x00, rc=0x12, al=07000800000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»COMPAS  CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=09000a000b000c000d000e000f001000}
    ProbeDirEnt {status=0x00, name=»COMPAS  CMD«, xl=0x01, bc=0x00, xh=0x00, rc=0x7d, al=11001200130014001500160017001800}
    ProbeDirEnt {status=0x00, name=»LABEL   CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x5a, al=19001a001b001c001d001e0000000000}
    ProbeDirEnt {status=0x00, name=»UDSKRIV CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x78, al=1f002000210022002300240025002600}
    ProbeDirEnt {status=0x00, name=»ANITTA  LAB«, xl=0x00, bc=0x00, xh=0x00, rc=0x03, al=27000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»UD      FIL«, xl=0x00, bc=0x00, xh=0x00, rc=0x0b, al=29000000000000000000000000000000}
+  10 -   0 <Tree 0x0-0x56a00-0xad400>
+   8 -  67 <Tree 0x0-0x56a00-0xad400>

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