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 C P T

⟦d8e662dbd⟧ Bits:30003270 COMPAS-80 V3.03 og Pirat Pascal (tm) CP/M 80 RC700 version, 5¼" Floppy Disk, CpmFSAuto

    Length: 328704 (0x50400)
    Description: Bits:30003270 COMPAS-80 V3.03 og Pirat Pascal (tm) CP/M 80 RC700 version
    Types: 5¼" Floppy Disk, CpmFSAuto
    Notes: CP/M-fs(512_2048_0x1_16_*2+1+2_2:0_35:1)

CpmFSAuto

Media:             [0, 0, 1] … [35, 1, 9] {128: 16, 256: 16, 512: 630}
Signature:         512_2048_0x1_16_*2+1+2_2:0_35:1
Confidence score:  +8/-0
Sector size:       512
Block size:        2048
Directory entries: 16
Block number size: 8
Extent-mask:       0x01
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 27904 COMPAS.COM ⟦898647ef5⟧
0 0 2304 COMPAS.ERM ⟦2a41d6abd⟧ TextFile
0 0 11904 COMPAS.HLP ⟦16a920f8d⟧ TextFile
0 0 8448 CONFIX.COM ⟦6d97dba17⟧
0 0 23040 PASCAL.COM ⟦7fcf56dc9⟧
0 0 7424 PIP.COM ⟦f3084c673⟧

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 7-1-1-1-1-1-1-0-1

Total credibility: 6

Block number width: ok8

   8     0     2    44     0  False
  16     0    44 11050     0   True

Block Sizes:
    2048 0x01 +6 -0
     128 0x00 +0 -6
     256 0x00 +0 -6
     512 0x00 +0 -6
    1024 0x00 +0 -6
    4096 0x03 +0 -6
    8192 0x07 +0 -6
   16384 0x0f +0 -6
   32768 0x1f +0 -6
   65536 0x3f +0 -6

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

File & label names found:
  0x0003c00 (2, 0, 1)
    ProbeDirEnt {status=0x00, name=»PASCAL  COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x34, al=02030405060708090a0b0c0d00000000}
    ProbeDirEnt {status=0x00, name=»COMPAS  ERM«, xl=0x00, bc=0x00, xh=0x00, rc=0x12, al=0e0f0000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»COMPAS  HLP«, xl=0x00, bc=0x00, xh=0x00, rc=0x5d, al=10111213141500000000000000000000}
    ProbeDirEnt {status=0x00, name=»COMPAS  COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x5a, al=161718191a1b1c1d1e1f202122230000}
    ProbeDirEnt {status=0x00, name=»PIP     COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x3a, al=24252627000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»CONFIX  COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x42, al=28292a2b2c0000000000000000000000}
+   8 -   0 <Tree 0x0-0x28200-0x50400>
+   7 -   4 <Tree 0x0-0x28200-0x50400>

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