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 A C F I P S T

⟦a7fdf5ffd⟧ Bits:30005254 COMPAS Pascal v3.02 arbejdsdiskette til CR7, 5¼" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 634880 (0x9b000)
    Description: Bits:30005254 COMPAS Pascal v3.02 arbejdsdiskette til CR7
    Types: 5¼" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CP/M-fs(256_2048_0x0_16_*1+1+3_1:0_77:1)

CpmFSAuto

Media:             [0, 0, 1] … [77, 0, 16] {256: 2480}
Signature:         256_2048_0x0_16_*1+1+3_1:0_77:1
Confidence score:  +14/-0
Sector size:       256
Block size:        2048
Directory entries: 16
Block number size: 16
Extent-mask:       0x00
Sector-interleave: 1, 2, 5, 6, 9, 10, 13, 14, 3, 4, 7, 8, 11, 12, 15, 16
Tracks:            (1, 0), (1, 1), (2, 0), (2, 1), (3, 0), (3, 1) […] (75, 0), (75, 1), (76, 0), (76, 1), (77, 0), (77, 1)
user bc length name artifact
0 0 1024 ADIR.COM ⟦d60d2bc58⟧
0 0 128 C.COM ⟦785c57d27⟧
0 0 27904 COMPAS.COM ⟦893ff3fc5⟧
0 0 2304 COMPAS.ERM ⟦2a41d6abd⟧ TextFile
0 0 11904 COMPAS.HLP ⟦16a920f8d⟧ TextFile
0 0 1280 FCOPY.COM ⟦913972881⟧
0 0 1664 FINDBAD.COM ⟦7232ae3ec⟧
0 0 3328 FORMAT.COM ⟦b61ceacfe⟧
0 0 7424 PIP.COM ⟦7f9e12a92⟧
0 0 5248 STAT.COM ⟦614d0b1d6⟧
0 0 1792 SYSGENF.COM ⟦7aeb9e35a⟧

CP/M filesystem probe

Geometry: [[0, 0, 1], [77, 0, 16]]

First credible dirsect is: (1, 0, 1) at 0x2000 with 0x0 attribute records

Credible directory tracks:
   (1, 0)  0x2000 9-5-1-1-1-1-1-1-1-1-1-1-1-1-1-1

Total credibility: 12

Block number width: ok16

   8     0     2    37    24  False
  16     0     2    37     0  False

Block Sizes:
    2048 0x00 +12 -0
    4096 0x01 +5 -7
    8192 0x03 +5 -7
   16384 0x07 +5 -7
   32768 0x0f +5 -7
   65536 0x1f +5 -7
    1024 0x00 +2 -10
     128 0x00 +1 -11
     256 0x00 +1 -11
     512 0x00 +1 -11

Candidate interleaves in order of directory credibility:

Penalty  Name         Order                                                                     Resulting dir order
      0  CR7_Diplomat (1-2-5-6-9-10-13-14-3-4-7-8-11-12-15-16)                                  [8, 4]   +14/-0
      0  normal-1     (1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16)                                  [8, 4]   +13/-14
      7  normal-4     (1-5-9-13-2-6-10-14-3-7-11-15-4-8-12-16)                                  [8, 0, 0, 0, 4]   +14/-5
     10  normal-7     (1-8-15-6-13-4-11-2-9-16-7-14-5-12-3-10)                                  [8, 0, 0, 0, 0, 0, 0, 4]   +12/-20
     11  normal-2     (1-3-5-7-9-11-13-15-2-4-6-8-10-12-14-16)                                  [8, 0, 0, 0, 0, 0, 0, 0, 4]   +12/-9
     11  normal-6     (1-7-13-3-9-15-5-11-2-8-14-4-10-16-6-12)                                  [8, 0, 0, 0, 0, 0, 0, 0, 4]   +12/-14
     14  normal-3     (1-4-7-10-13-16-3-6-9-12-15-2-5-8-11-14)                                  [8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4]   +13/-17
     16  normal-5     (1-6-11-16-5-10-15-4-9-14-3-8-13-2-7-12)                                  [8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4]   +12/-18

File & label names found:
  0x0002000 (1, 0, 1)
    ProbeDirEnt {status=0x00, name=»COMPAS  COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=02000300040005000600070008000900}
    ProbeDirEnt {status=0x00, name=»COMPAS  COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x5a, al=0a000b000c000d000e000f0000000000}
    ProbeDirEnt {status=0x00, name=»COMPAS  HLP«, xl=0x00, bc=0x00, xh=0x00, rc=0x5d, al=10001100120013001400150000000000}
    ProbeDirEnt {status=0x00, name=»COMPAS  ERM«, xl=0x00, bc=0x00, xh=0x00, rc=0x12, al=16001700000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»PIP     COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x3a, al=180019001a001b000000000000000000}
    ProbeDirEnt {status=0x00, name=»C       COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=1c000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»FINDBAD COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x0d, al=1d000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»STAT    COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x29, al=1e001f00200000000000000000000000}
  0x0002100 (1, 0, 2)
    ProbeDirEnt {status=0x00, name=»FCOPY   COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x0a, al=21000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»FORMAT  COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x1a, al=22002300000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»ADIR    COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x08, al=24000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»SYSGENF COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x0e, al=25000000000000000000000000000000}
+  14 -   0 <Tree 0x0-0x4d800-0x9b000>
+  14 -   5 <Tree 0x0-0x4d800-0x9b000>

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