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 I X

⟦07b23812a⟧ Bits:30003504 JET80 XFER, 5¼" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 819200 (0xc8000)
    Description: Bits:30003504 JET80 XFER
    Types: 5¼" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CpmFSAuto,1024,2048,32,0x0,1,1:0-79:1

CpmFSAuto

Media:             [0, 0, 1] … [79, 1, 5] {1024: 800}
Signature:         CpmFSAuto,1024,2048,32,0x0,1,1:0-79:1
Confidence score:  +2/-0
Sector size:       1024
Block size:        2048
Directory entries: 32
Block number size: 16
Extent-mask:       0x00
Sector-interleave: 1, 2, 3, 4, 5
Tracks:            (1, 0), (1, 1), (2, 0), (2, 1), (3, 0), (3, 1) […] (77, 0), (77, 1), (78, 0), (78, 1), (79, 0), (79, 1)
user bc length name artifact
0 0 28032 XFER.COM ⟦573d7582d⟧

CP/M filesystem probe

Geometry: [[0, 0, 1], [79, 1, 5]]

First credible dirsect is: (1, 0, 1) at 0x2800 with 0x0 attribute records

Credible directory tracks:
   (1, 0)  0x2800 3-1-1-1-0

Total credibility: 2

Block number width: ok16

   8     0     2    10    12  False
  16     0     2    15     0  False

00:XFER    COM rc=0x080 c=0x008 ProbeDirEnt {status=0x00, name=»XFER    COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=02000300040005000600070008000900}
00:XFER    COM rc=0x05b c=0x006 ProbeDirEnt {status=0x00, name=»XFER    COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x5b, al=0a000b000c000d000e000f0000000000}
Block Size 2048.00 2048 extent_mask = 0x0

Candidate interleaves in order of directory credibility:

Penalty  Name         Order                                                                     Resulting dir order
      0  normal-1     (1-2-3-4-5)                                                               [2]   +2/-0

File & label names found:
  0x0002800 (1, 0, 1)
    ProbeDirEnt {status=0x00, name=»XFER    COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=02000300040005000600070008000900}
    ProbeDirEnt {status=0x00, name=»XFER    COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x5b, al=0a000b000c000d000e000f0000000000}
+   2 -   0 <Tree 0x0-0x64000-0xc8000>

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