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 R S T

⟦67d4fcb7f⟧ Bits:30003071 RC750 RC LAN snooper, 5¼" Floppy Disk, CpmFSAuto

    Length: 1261568 (0x134000)
    Description: Bits:30003071 RC750 RC LAN snooper
    Types: 5¼" Floppy Disk, CpmFSAuto
    Notes: CP/M-fs(1024_2048_0x0_*1+1_2:0_76:1_64)

CpmFSAuto

Media:             [0, 0, 1] … [76, 1, 8] {1024: 1232}
Signature:         1024_2048_0x0_*1+1_2:0_76:1_64
Confidence score:  +24/-0 
Sector size:       1024
Block size:        2048
Directory entries: 64
Block number size: 16
Extent-mask:       0x00
Sector-interleave: 1, 2, 3, 4, 5, 6, 7, 8
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 197248 CCPM.SYS ⟦d6918431d⟧
0 0 23168 DOSSN.DAT ⟦bd54543be⟧
0 0 18816 RC750.DAT ⟦c3efa84fc⟧
0 0 64896 SNP.CMD ⟦e8a8680b9⟧
0 0 896 STATIONS.BAK ⟦dfc833f14⟧ TextFile
0 0 896 STATIONS.DAT ⟦b31cab385⟧ TextFile

CP/M filesystem probe

Geometry: [[0, 0, 1], [76, 1, 8]]

First credible dirsect is: (2, 0, 1) at 0x8000 with 0x8 attribute records

Credible directory tracks:
   (2, 0)  0x8000 17-9-1-1-1-1-1-1
   (2, 1)  0xa000 1-1-1-1-1-1-1-1

Total credibility: 24

Block number width: ok16

   8     0     8   233   130  False
  16     0     8   233     0  False

Block Sizes:
    2048 0x00 +23 -0
    1024 0x00 +3 -20
    4096 0x01 +2 -21
    8192 0x03 +2 -21
   16384 0x07 +2 -21
   32768 0x0f +2 -21
   65536 0x1f +2 -21
     128 0x00 +0 -23
     256 0x00 +0 -23
     512 0x00 +0 -23

Candidate interleaves in order of directory credibility:

Penalty  Name         Order                                                                     Resulting dir order
      0  normal-1     (1-2-3-4-5-6-7-8)                                                         [16, 8]   +24/-0
     10  normal-3     (1-4-7-2-5-8-3-6)                                                         [16, 0, 0, 8]   +24/-1
     11  normal-2     (1-3-5-7-2-4-6-8)                                                         [16, 0, 0, 0, 8]   +24/-1
From the beastiarium: CpmFSCr16   +0/-0

File & label names found:
  0x0008000 (2, 0, 1)
    ProbeDirEnt {status=0x20, name=»Snooper    «, xl=0x31, bc=0x00, xh=0x00, rc=0x00, al=00000000000000006e0e13456e0e1345}
    ProbeDirEnt {status=0x00, name=»SNP     CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=080009000a000b000c000d000e000f00}
    ProbeDirEnt {status=0x00, name=»SNP     CMD«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=10001100120013001400150016001700}
    ProbeDirEnt {status=0x00, name=»SNP     CMD«, xl=0x02, bc=0x00, xh=0x00, rc=0x80, al=180019001a001b001c001d001e001f00}
    ProbeDirEnt {status=0x00, name=»SNP     CMD«, xl=0x03, bc=0x00, xh=0x00, rc=0x7b, al=20002100220023002400250026002700}
    ProbeDirEnt {status=0x00, name=»DOSSN   DAT«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=28002b002c002d002e002f0030003100}
    ProbeDirEnt {status=0x00, name=»STATIONSBAK«, xl=0x00, bc=0x00, xh=0x00, rc=0x07, al=29000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»STATIONSDAT«, xl=0x00, bc=0x00, xh=0x00, rc=0x07, al=2a000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»DOSSN   DAT«, xl=0x01, bc=0x00, xh=0x00, rc=0x35, al=32003300340035000000000000000000}
    ProbeDirEnt {status=0x00, name=»RC750   DAT«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=36003700380039003a003b003c003d00}
    ProbeDirEnt {status=0x00, name=»RC750   DAT«, xl=0x01, bc=0x00, xh=0x00, rc=0x13, al=3e003f00000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=89008a008b008c008d008e008f009000}
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=91009200930094009500960097009800}
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x02, bc=0x00, xh=0x00, rc=0x80, al=99009a009b009c009d009e009f00a000}
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x03, bc=0x00, xh=0x00, rc=0x80, al=a100a200a300a400a500a600a700a800}
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x04, bc=0x00, xh=0x00, rc=0x80, al=a900aa00ab00ac00ad00ae00af00b000}
  0x0008400 (2, 0, 2)
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x05, bc=0x00, xh=0x00, rc=0x80, al=b100b200b300b400b500b600b700b800}
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x06, bc=0x00, xh=0x00, rc=0x80, al=b900ba00bb00bc00bd00be00bf00c000}
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x07, bc=0x00, xh=0x00, rc=0x80, al=c100c200c300c400c500c600c700c800}
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x08, bc=0x00, xh=0x00, rc=0x80, al=c900ca00cb00cc00cd00ce00cf00d000}
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x09, bc=0x00, xh=0x00, rc=0x80, al=d100d200d300d400d500d600d700d800}
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x0a, bc=0x00, xh=0x00, rc=0x80, al=d900da00db00dc00dd00de00df00e000}
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x0b, bc=0x00, xh=0x00, rc=0x80, al=e100e200e300e400e500e600e700e800}
    ProbeDirEnt {status=0x00, name=»CCPM    SYS«, xl=0x0c, bc=0x00, xh=0x00, rc=0x05, al=e9000000000000000000000000000000}
*  24 -   0 [1, 2, 3, 4, 5, 6, 7, 8]
+  24 -   1 [1, 4, 7, 2, 5, 8, 3, 6]
+  24 -   1 [1, 3, 5, 7, 2, 4, 6, 8]

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