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.


top - metrics - download
Index: 5 C I S T

⟦e96298e07⟧ Bits:30004225 SKOMAL Version 1.02 til ICL Comet, 5¼" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 204800 (0x32000)
    Description: Bits:30004225 SKOMAL Version 1.02 til ICL Comet
    Types: 5¼" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CpmFSAuto_512_1024_0x0_16_*3+1+3+2_2:0_39:0

CpmFSAuto

Media:             [0, 0, 1] … [39, 0, 10] {512: 400}
Signature:         CpmFSAuto_512_1024_0x0_16_*3+1+3+2_2:0_39:0
Confidence score:  +12/-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 10752 SKOMAL.COM ⟦5fd6b3abc⟧
0 0 32128 SKOMAL.SYS ⟦fdc0e7446⟧
0 0 19584 SKOMAL1.DOK ⟦94a967f32⟧ TextFile
0 0 22400 SKOMAL2.DOK ⟦0298b09d6⟧ TextFile
0 0 24192 SKOMAL3.DOK ⟦e6d2a94dd⟧ TextFile

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 10-0-0-1-0-0-1-0-0-1

Total credibility: 9

Block number width: ok8

   8     0     2   110     0  False
  16     0    12 28269     0   True

Block Sizes:
    1024 0x00 +9 -0
     128 0x00 +0 -9
     256 0x00 +0 -9
     512 0x00 +0 -9
    2048 0x01 +0 -9
    4096 0x03 +0 -9
    8192 0x07 +0 -9
   16384 0x0f +0 -9
   32768 0x1f +0 -9
   65536 0x3f +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)                                                    [9]   +9/-2
      0  normal-1     (1-2-3-4-5-6-7-8-9-10)                                                    [9]   +9/-2
      0  normal-2     (1-3-5-7-9-2-4-6-8-10)                                                    [9]   +10/-4
      0  normal-3     (1-4-7-10-3-6-9-2-5-8)                                                    [9]   +12/-0
      0  normal-4     (1-5-9-3-7-2-6-10-4-8)                                                    [9]   +10/-5

File & label names found:
  0x0002800 (2, 0, 1)
    ProbeDirEnt {status=0x00, name=»SKOMAL  COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x54, al=02030405060708090a0b0c0000000000}
    ProbeDirEnt {status=0x00, name=»SKOMAL1 DOK«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=0d0e0f101112131415161718191a1b1c}
    ProbeDirEnt {status=0x00, name=»SKOMAL1 DOK«, xl=0x01, bc=0x00, xh=0x00, rc=0x19, al=1d1e1f20000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»SKOMAL2 DOK«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=2122232425262728292a2b2c2d2e2f30}
    ProbeDirEnt {status=0x00, name=»SKOMAL2 DOK«, xl=0x01, bc=0x00, xh=0x00, rc=0x2f, al=31323334353600000000000000000000}
    ProbeDirEnt {status=0x00, name=»SKOMAL3 DOK«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=3738393a3b3c3d3e3f40414243444546}
    ProbeDirEnt {status=0x00, name=»SKOMAL3 DOK«, xl=0x01, bc=0x00, xh=0x00, rc=0x3d, al=4748494a4b4c4d4e0000000000000000}
    ProbeDirEnt {status=0x00, name=»SKOMAL  SYS«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=4f505152535455565758595a5b5c5d5e}
    ProbeDirEnt {status=0x00, name=»SKOMAL  SYS«, xl=0x01, bc=0x00, xh=0x00, rc=0x7b, al=5f606162636465666768696a6b6c6d6e}
+  12 -   0 <Tree 0x0-0x19000-0x32000>
+  10 -   4 <Tree 0x0-0x19000-0x32000>

Full view