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 N P T

⟦849aae838⟧ Bits:30003048 dBASE II installationsdiskette til CP/M-80, 5¼" Floppy Disk, CpmFSAuto

    Length: 328704 (0x50400)
    Description: Bits:30003048 dBASE II installationsdiskette til CP/M-80
    Types: 5¼" Floppy Disk, CpmFSAuto
    Notes: CpmFSAuto,512,2048,16,0x1,1,2:0-35:1

CpmFSAuto

Media:             [0, 0, 1] … [35, 1, 9] {128: 16, 256: 16, 512: 630}
Signature:         CpmFSAuto,512,2048,16,0x1,1,2:0-35:1
Confidence score:  +11/-4
Sector size:       512
Block size:        2048
Directory entries: 16
Block number size: 8
Extent-mask:       0x01
Sector-interleave: 1, 2, 3, 4, 5, 6, 7, 8, 9
Tracks:            (2, 0), (2, 1), (3, 0), (3, 1), (4, 0), (4, 1) […] (33, 0), (33, 1), (34, 0), (34, 1), (35, 0), (35, 1)
user bc length name artifact
0 0 3584 COMPUTER.DBF ⟦f583d7c95⟧ TextFile
0 0 19712 DBASE.COM ⟦0e71635ad⟧
0 0 49152 DBASEMSG.TXT ⟦c64071e34⟧
0 0 40192 DBASEOVR.COM ⟦52893f1ca⟧
0 0 10240 DBINSTAL.COM ⟦3e0c63444⟧
0 0 1024 NAME.NDX ⟦bda93dd61⟧
0 0 1024 PRODUCER.NDX ⟦2d65294b2⟧

CP/M filesystem probe

Geometry: [[0, 0, 1], [35, 1, 9]]

First credible dirsect is: (2, 0, 1) at 0x3c00 with 0x0 attribute records

Credible directory tracks:
   (2, 0)  0x3c00 10-1-1-1-1-1-1-0-1

Total credibility: 9

Block number width: ok8

   8     0     2    64     0  False
  16     0    60 15933     0   True

00:DBASE   COM rc=0x09a c=0x00a ProbeDirEnt {status=0x00, name=»DBASE    OM«, xl=0x01, bc=0x00, xh=0x00, rc=0x1a, al=02030405060708090a0b000000000000}
00:DBASEOVRCOM rc=0x100 c=0x010 ProbeDirEnt {status=0x00, name=»DBASEOVR OM«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=0c0d0e0f101112131415161718191a1b}
00:DBASEOVRCOM rc=0x03a c=0x004 ProbeDirEnt {status=0x00, name=»DBASEOVR OM«, xl=0x02, bc=0x00, xh=0x00, rc=0x3a, al=1c1d1e1f000000000000000000000000}
00:DBASEMSGTXT rc=0x100 c=0x010 ProbeDirEnt {status=0x00, name=»DBASEMSG XT«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=202122232425262728292a2b2c2d2e2f}
00:DBASEMSGTXT rc=0x080 c=0x008 ProbeDirEnt {status=0x00, name=»DBASEMSG XT«, xl=0x02, bc=0x00, xh=0x00, rc=0x80, al=30313233343536370000000000000000}
00:DBINSTALCOM rc=0x050 c=0x005 ProbeDirEnt {status=0x00, name=»DBINSTAL OM«, xl=0x00, bc=0x00, xh=0x00, rc=0x50, al=38393a3b3c0000000000000000000000}
00:COMPUTERDBF rc=0x01c c=0x002 ProbeDirEnt {status=0x00, name=»COMPUTERDBF«, xl=0x00, bc=0x00, xh=0x00, rc=0x1c, al=3d3e0000000000000000000000000000}
00:NAME    NDX rc=0x008 c=0x001 ProbeDirEnt {status=0x00, name=»NAME    NDX«, xl=0x00, bc=0x00, xh=0x00, rc=0x08, al=3f000000000000000000000000000000}
00:PRODUCERNDX rc=0x008 c=0x001 ProbeDirEnt {status=0x00, name=»PRODUCERNDX«, xl=0x00, bc=0x00, xh=0x00, rc=0x08, al=40000000000000000000000000000000}
Block Size 2048.00 2048 extent_mask = 0x1

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

File & label names found:
  0x0003c00 (2, 0, 1)
    ProbeDirEnt {status=0x00, name=»DBASE    OM«, xl=0x01, bc=0x00, xh=0x00, rc=0x1a, al=02030405060708090a0b000000000000}
    ProbeDirEnt {status=0x00, name=»DBASEOVR OM«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=0c0d0e0f101112131415161718191a1b}
    ProbeDirEnt {status=0x00, name=»DBASEOVR OM«, xl=0x02, bc=0x00, xh=0x00, rc=0x3a, al=1c1d1e1f000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»DBASEMSG XT«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=202122232425262728292a2b2c2d2e2f}
    ProbeDirEnt {status=0x00, name=»DBASEMSG XT«, xl=0x02, bc=0x00, xh=0x00, rc=0x80, al=30313233343536370000000000000000}
    ProbeDirEnt {status=0x00, name=»DBINSTAL OM«, xl=0x00, bc=0x00, xh=0x00, rc=0x50, al=38393a3b3c0000000000000000000000}
    ProbeDirEnt {status=0x00, name=»COMPUTERDBF«, xl=0x00, bc=0x00, xh=0x00, rc=0x1c, al=3d3e0000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»NAME    NDX«, xl=0x00, bc=0x00, xh=0x00, rc=0x08, al=3f000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»PRODUCERNDX«, xl=0x00, bc=0x00, xh=0x00, rc=0x08, al=40000000000000000000000000000000}
+  11 -   4 <Tree 0x0-0x28200-0x50400>
+  11 -   5 <Tree 0x0-0x28200-0x50400>

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