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: 0 5 B C D E F I K O S T U b d g k o p r s

⟦d3f2ba713⟧ Bits:30003986 COMAL-80 version 1.08 boot diskette, 5¼" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 328704 (0x50400)
    Description: Bits:30003986 COMAL-80 version 1.08 boot diskette
    Types: 5¼" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CpmFSAuto_512_1024_0x0_16_*2+1+2_2:0_35:1, CpmFSAuto_512_1024_0x0_16_*3+1+2+3_2:0_35:1

CpmFSAuto

Media:             [0, 0, 1] … [35, 1, 9] {128: 16, 256: 16, 512: 630}
Signature:         CpmFSAuto_512_1024_0x0_16_*2+1+2_2:0_35:1
Confidence score:  +3/-4
Sector size:       512
Block size:        1024
Directory entries: 16
Block number size: 8
Extent-mask:       0x00
Sector-interleave: 1, 3, 5, 7, 9, 2, 4, 6, 8
Tracks:            (2, 0), (2, 1), (3, 0), (3, 1), (4, 0), (4, 1) […] (33, 0), (33, 1), (34, 0), (34, 1), (35, 0), (35, 1)
user bc length name artifact
0 0 640 FREDAG ⟦f8d95bcb0⟧
0 0 640 OMBYT ⟦79cfe1c05⟧ 0xe5[0x280]
0 0 512 TIRSDAG ⟦dbcac6dc3⟧ 0xe5[0x200]

CpmFSAuto

Media:             [0, 0, 1] … [35, 1, 9] {128: 16, 256: 16, 512: 630}
Signature:         CpmFSAuto_512_1024_0x0_16_*3+1+2+3_2:0_35:1
Confidence score:  +3/-4
Sector size:       512
Block size:        1024
Directory entries: 16
Block number size: 8
Extent-mask:       0x00
Sector-interleave: 1, 4, 7, 2, 5, 8, 3, 6, 9
Tracks:            (2, 0), (2, 1), (3, 0), (3, 1), (4, 0), (4, 1) […] (33, 0), (33, 1), (34, 0), (34, 1), (35, 0), (35, 1)
user bc length name artifact
0 0 640 FREDAG ⟦e6a3f7734⟧
0 0 640 OMBYT ⟦de120dd01⟧
0 0 512 TIRSDAG ⟦dbcac6dc3⟧ 0xe5[0x200]

CP/M filesystem probe

Geometry: [[0, 0, 1], [35, 1, 9]]

First credible dirsect is: (2, 0, 1) at 0x3c00 with 0x0 attribute records

Credible directory tracks:
   (2, 0)  0x3c00 4-1-1-1-1-1-1-0-1

Total credibility: 3

Block number width: big8

   8     0     2     4     0  False
  16     0     2     4     0  False

Block Sizes:
    1024 0x00 +3 -0
    2048 0x01 +3 -0
    4096 0x03 +3 -0
    8192 0x07 +3 -0
   16384 0x0f +3 -0
   32768 0x1f +3 -0
   65536 0x3f +3 -0
     512 0x00 +1 -2
     128 0x00 +0 -3
     256 0x00 +0 -3

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

File & label names found:
  0x0003c00 (2, 0, 1)
    ProbeDirEnt {status=0x00, name=»OMBYT      «, xl=0x00, bc=0x00, xh=0x00, rc=0x05, al=02000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»TIRSDAG    «, xl=0x00, bc=0x00, xh=0x00, rc=0x04, al=03000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»FREDAG     «, xl=0x00, bc=0x00, xh=0x00, rc=0x05, al=04000000000000000000000000000000}
+   3 -   4 <Tree 0x0-0x28200-0x50400>
+   3 -   4 <Tree 0x0-0x28200-0x50400>
+   3 -   5 <Tree 0x0-0x28200-0x50400>

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