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 D I M

⟦a6d2b26fe⟧ Bits:30004323/backup.imd MX administrationssystem ver. 1.4 4-drive, 5¼" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 634880 (0x9b000)
    Description: Bits:30004323/backup.imd MX administrationssystem ver. 1.4 4-drive
    Types: 5¼" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CpmFSAuto,256,2048,8,0x0,1<2<3<4,1:0-77:1, CpmFSAuto,256,2048,8,0x0,1<3,1:0-77:1

CpmFSAuto

Media:             [0, 0, 1] … [77, 0, 16] {256: 2480}
Signature:         CpmFSAuto,256,2048,8,0x0,1<3,1:0-77:1
Confidence score:  +4/-0
Sector size:       256
Block size:        2048
Directory entries: 8
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 12800 DATASAVE.COM ⟦eddde9a01⟧
0 0 26880 MODBACK.COM ⟦24705f4b5⟧
0 0 10368 MODBINST.COM ⟦7f8cdb3a0⟧

CpmFSAuto

Media:             [0, 0, 1] … [77, 0, 16] {256: 2480}
Signature:         CpmFSAuto,256,2048,8,0x0,1<2<3<4,1:0-77:1
Confidence score:  +4/-0
Sector size:       256
Block size:        2048
Directory entries: 8
Block number size: 16
Extent-mask:       0x00
Sector-interleave: 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15, 4, 8, 12, 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 12800 DATASAVE.COM ⟦6cb33e821⟧
0 0 26880 MODBACK.COM ⟦390d25dd2⟧
0 0 10368 MODBINST.COM ⟦078c2763a⟧

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 5-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1

Total credibility: 4

Block number width: ok16

   8     0     2    36    23  False
  16     0     2    41     0  False

00:MODBINSTCOM rc=0x051 c=0x006 ProbeDirEnt {status=0x00, name=»MODBINSTCOM«, xl=0x00, bc=0x00, xh=0x00, rc=0x51, al=02000300040005000600070000000000}
00:DATASAVECOM rc=0x064 c=0x007 ProbeDirEnt {status=0x00, name=»DATASAVECOM«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=150016001700180019001a001b000000}
00:MODBACK COM rc=0x080 c=0x008 ProbeDirEnt {status=0x00, name=»MODBACK COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=1c001d001e001f002000210022002300}
00:MODBACK COM rc=0x052 c=0x006 ProbeDirEnt {status=0x00, name=»MODBACK COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x52, al=24002500260027002800290000000000}
Block Size 2048.00 2048 extent_mask = 0x0

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)                                  [4]   +4/-0
      0  normal-1     (1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16)                                  [4]   +4/-6
      0  normal-2     (1-3-5-7-9-11-13-15-2-4-6-8-10-12-14-16)                                  [4]   +4/-9
      0  normal-3     (1-4-7-10-13-16-3-6-9-12-15-2-5-8-11-14)                                  [4]   +4/-6
      0  normal-4     (1-5-9-13-2-6-10-14-3-7-11-15-4-8-12-16)                                  [4]   +4/-0
      0  normal-5     (1-6-11-16-5-10-15-4-9-14-3-8-13-2-7-12)                                  [4]   +4/-9
      0  normal-6     (1-7-13-3-9-15-5-11-2-8-14-4-10-16-6-12)                                  [4]   +4/-9
      0  normal-7     (1-8-15-6-13-4-11-2-9-16-7-14-5-12-3-10)                                  [4]   +4/-9

File & label names found:
  0x0002000 (1, 0, 1)
    ProbeDirEnt {status=0x00, name=»MODBINSTCOM«, xl=0x00, bc=0x00, xh=0x00, rc=0x51, al=02000300040005000600070000000000}
    ProbeDirEnt {status=0x00, name=»DATASAVECOM«, xl=0x00, bc=0x00, xh=0x00, rc=0x64, al=150016001700180019001a001b000000}
    ProbeDirEnt {status=0x00, name=»MODBACK COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=1c001d001e001f002000210022002300}
    ProbeDirEnt {status=0x00, name=»MODBACK COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x52, al=24002500260027002800290000000000}
+   4 -   0 <Tree 0x0-0x4d800-0x9b000>
+   4 -   0 <Tree 0x0-0x4d800-0x9b000>
+   4 -   6 <Tree 0x0-0x4d800-0x9b000>

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