DataMuseum.dk

Presents historical artifacts from the history of:

RegneCentralen RC850

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

See our Wiki for more about RegneCentralen RC850

Excavated with: AutoArchaeologist - Free & Open Source Software.


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Index: 8 C I P T

⟦9eb5585bb⟧ Bits:30005839 COMPAS Pascal v. 2.20 (RC855), 8" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 1177344 (0x11f700)
    Description: Bits:30005839 COMPAS Pascal v. 2.20 (RC855)
    Types: 8" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CpmFSAuto,512,2048,16,0x0,1<2<3<4,2:0-76:1

CpmFSAuto

Media:             [0, 0, 1] … [76, 1, 15] {128: 26, 256: 26, 512: 2280}
Signature:         CpmFSAuto,512,2048,16,0x0,1<2<3<4,2:0-76:1
Confidence score:  +8/-0
Sector size:       512
Block size:        2048
Directory entries: 16
Block number size: 16
Extent-mask:       0x00
Sector-interleave: 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15, 4, 8, 12
Tracks:            (2, 0), (2, 1), (3, 0), (3, 1), (4, 0), (4, 1) […] (74, 0), (74, 1), (75, 0), (75, 1), (76, 0), (76, 1)
user bc length name artifact
0 0 25088 COMPAS.COM ⟦ac4e7f8c4⟧
0 0 2304 COMPAS.ERM ⟦6485a8864⟧ TextFile
0 0 11776 COMPAS.HLP ⟦eaa9ef811⟧ TextFile
0 0 7424 PIP.COM ⟦f3084c673⟧
0 0 1536 TOWER.PAS ⟦4ba69bfd6⟧ TextFile

CP/M filesystem probe

Geometry: [[0, 0, 1], [76, 1, 15]]

First credible dirsect is: (2, 0, 1) at 0x6300 with 0x0 attribute records

Credible directory tracks:
   (2, 0)  0x6300 7-1-0-0-1-1-0-0-1-1-0-0-1-1-0

Total credibility: 6

Block number width: ok16

   8     0     2    27    20  False
  16     0     2    27     0  False

00:PIP     COM rc=0x03a c=0x004 ProbeDirEnt {status=0x00, name=»PIP     COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x3a, al=02000300040005000000000000000000}
00:COMPAS  COM rc=0x080 c=0x008 ProbeDirEnt {status=0x00, name=»COMPAS  COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=06000700080009000a000b000c000d00}
00:COMPAS  COM rc=0x044 c=0x005 ProbeDirEnt {status=0x00, name=»COMPAS  COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x44, al=0e000f00100011001200000000000000}
00:COMPAS  HLP rc=0x05c c=0x006 ProbeDirEnt {status=0x00, name=»COMPAS  HLP«, xl=0x00, bc=0x00, xh=0x00, rc=0x5c, al=13001400150016001700180000000000}
00:COMPAS  ERM rc=0x012 c=0x002 ProbeDirEnt {status=0x00, name=»COMPAS  ERM«, xl=0x00, bc=0x00, xh=0x00, rc=0x12, al=19001a00000000000000000000000000}
00:TOWER   PAS rc=0x00c c=0x001 ProbeDirEnt {status=0x00, name=»TOWER   PAS«, xl=0x00, bc=0x00, xh=0x00, rc=0x0c, al=1b000000000000000000000000000000}
Block Size 2048.00 2048 extent_mask = 0x0

Candidate interleaves in order of directory credibility:

Penalty  Name         Order                                                                     Resulting dir order
      0  normal-1     (1-2-3-4-5-6-7-8-9-10-11-12-13-14-15)                                     [6]   +6/-1
      0  normal-2     (1-3-5-7-9-11-13-15-2-4-6-8-10-12-14)                                     [6]   +6/-1
      0  normal-3     (1-4-7-10-13-2-5-8-11-14-3-6-9-12-15)                                     [6]   +6/-1
      0  normal-4     (1-5-9-13-2-6-10-14-3-7-11-15-4-8-12)                                     [6]   +8/-0
      0  normal-5     (1-6-11-2-7-12-3-8-13-4-9-14-5-10-15)                                     [6]   +6/-1
      0  normal-6     (1-7-13-4-10-2-8-14-5-11-3-9-15-6-12)                                     [6]   +6/-1
From the beastiarium: CpmFSCr16   +0/-0

File & label names found:
  0x0006300 (2, 0, 1)
    ProbeDirEnt {status=0x00, name=»PIP     COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x3a, al=02000300040005000000000000000000}
    ProbeDirEnt {status=0x00, name=»COMPAS  COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=06000700080009000a000b000c000d00}
    ProbeDirEnt {status=0x00, name=»COMPAS  COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x44, al=0e000f00100011001200000000000000}
    ProbeDirEnt {status=0x00, name=»COMPAS  HLP«, xl=0x00, bc=0x00, xh=0x00, rc=0x5c, al=13001400150016001700180000000000}
    ProbeDirEnt {status=0x00, name=»COMPAS  ERM«, xl=0x00, bc=0x00, xh=0x00, rc=0x12, al=19001a00000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»TOWER   PAS«, xl=0x00, bc=0x00, xh=0x00, rc=0x0c, al=1b000000000000000000000000000000}
+   8 -   0 <Tree 0x0-0x8fb80-0x11f700>
+   6 -   1 <Tree 0x0-0x8fb80-0x11f700>

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