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 I S T

⟦121d96d60⟧ Bits:30005835 RC Chess 750 source code, 5¼" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 1261568 (0x134000)
    Description: Bits:30005835 RC Chess 750 source code
    Types: 5¼" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CpmFSAuto_1024_2048_0x0_512_*1+1_2:0_76:1

CpmFSAuto

Media:             [0, 0, 1] … [76, 1, 8] {1024: 1232}
Signature:         CpmFSAuto_1024_2048_0x0_512_*1+1_2:0_76:1
Confidence score:  +26/-2
Sector size:       1024
Block size:        2048
Directory entries: 512
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 46208 CHESS.000 ⟦9a30032ad⟧
0 0 128 CHESS.CHS ⟦5a2857796⟧ TextFile
0 0 30720 CHESS.CMD ⟦6a85150be⟧
0 0 4224 CHESS.FNT ⟦ff2600976⟧
0 0 2816 CHESS.HLP ⟦7e5fc2744⟧ TextFile
0 0 20352 CHESS.OP ⟦1d477761f⟧
0 0 51840 CHESS750.000 ⟦9049803fa⟧
0 0 33408 CHESS750.CMD ⟦ddbf938ae⟧
0 0 85376 CHESS80.PAS ⟦2a51cc3e1⟧ 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 25-3-2-2-2-2-2-2
   (2, 1)  0xa000 2-2-2-2-2-2-2-2

Total credibility: 40

Block number width: ok16

   8     0     8   145   116  False
  16     0     8   146     0  False

Block Sizes:
    2048 0x00 +23 -0
    1024 0x00 +2 -21
     128 0x00 +1 -22
     256 0x00 +1 -22
     512 0x00 +1 -22
    4096 0x01 +1 -22
    8192 0x03 +1 -22
   16384 0x07 +1 -22
   32768 0x0f +1 -22
   65536 0x1f +1 -22

Candidate interleaves in order of directory credibility:

Penalty  Name         Order                                                                     Resulting dir order
      0  normal-1     (1-2-3-4-5-6-7-8)                                                         [24, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]   +26/-2
      1  normal-2     (1-3-5-7-2-4-6-8)                                                         [24, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]   +24/-5
      1  normal-3     (1-4-7-2-5-8-3-6)                                                         [24, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]   +25/-5
From the beastiarium: CpmFSCr16   +0/-0

File & label names found:
  0x0008000 (2, 0, 1)
    ProbeDirEnt {status=0x20, name=»chess      «, xl=0x31, bc=0x00, xh=0x00, rc=0x00, al=00000000000000003f0b15543f0b1554}
    ProbeDirEnt {status=0x00, name=»CHESS   TST«, xl=0x00, bc=0x00, xh=0x00, rc=0x00, al=00000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»CHESS750C D«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=09000a000b000c000d000e000f001000}
    ProbeDirEnt {status=0x00, name=»CHESS   CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=16001700180019001a001b001c001d00}
    ProbeDirEnt {status=0x00, name=»CHESS   CMD«, xl=0x01, bc=0x00, xh=0x00, rc=0x70, al=1e001f00200021002200230024000000}
    ProbeDirEnt {status=0x00, name=»CHESS   000«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=250026002700280029002a002b002c00}
    ProbeDirEnt {status=0x00, name=»CHESS   000«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=2d002e002f0030003100320033003400}
    ProbeDirEnt {status=0x00, name=»CHESS   000«, xl=0x02, bc=0x00, xh=0x00, rc=0x69, al=350036003700380039003a003b000000}
    ProbeDirEnt {status=0x00, name=»CHESS   O  «, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=3c003d003e003f004000410042004300}
    ProbeDirEnt {status=0x00, name=»CHESS   O  «, xl=0x01, bc=0x00, xh=0x00, rc=0x1f, al=44004500000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»CHESS   F T«, xl=0x00, bc=0x00, xh=0x00, rc=0x21, al=46004700480000000000000000000000}
    ProbeDirEnt {status=0x00, name=»CHESS   CHS«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=49000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»CHESS   H P«, xl=0x00, bc=0x00, xh=0x00, rc=0x16, al=4a004b00000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»CHESS750C D«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=110012001300140015004c004d004e00}
    ProbeDirEnt {status=0x00, name=»CHESS750C D«, xl=0x02, bc=0x00, xh=0x00, rc=0x05, al=4f000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»CHESS7500 0«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=50005100520053005400550056005700}
    ProbeDirEnt {status=0x00, name=»CHESS7500 0«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=580059005a005b005c005d005e005f00}
    ProbeDirEnt {status=0x00, name=»CHESS7500 0«, xl=0x02, bc=0x00, xh=0x00, rc=0x80, al=60006100620063006400650066006700}
    ProbeDirEnt {status=0x00, name=»CHESS7500 0«, xl=0x03, bc=0x00, xh=0x00, rc=0x15, al=68006900000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»CHESS80 PAS«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=08006a006b006c006d006e006f007000}
    ProbeDirEnt {status=0x00, name=»CHESS80 PAS«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=71007200730074007500760077007800}
    ProbeDirEnt {status=0x00, name=»CHESS80 PAS«, xl=0x02, bc=0x00, xh=0x00, rc=0x80, al=79007a007b007c007d007e007f008000}
    ProbeDirEnt {status=0x00, name=»CHESS80 PAS«, xl=0x03, bc=0x00, xh=0x00, rc=0x80, al=81008200830084008500860087008800}
    ProbeDirEnt {status=0x00, name=»CHESS80 PAS«, xl=0x04, bc=0x00, xh=0x00, rc=0x80, al=89008a008b008c008d008e008f009000}
  0x0008400 (2, 0, 2)
    ProbeDirEnt {status=0x00, name=»CHESS80 PAS«, xl=0x05, bc=0x00, xh=0x00, rc=0x1b, al=91009200000000000000000000000000}
  0x0008800 (2, 0, 3)
  0x0008c00 (2, 0, 4)
  0x0009000 (2, 0, 5)
  0x0009400 (2, 0, 6)
  0x0009800 (2, 0, 7)
  0x0009c00 (2, 0, 8)
  0x000a000 (2, 1, 1)
  0x000a400 (2, 1, 2)
  0x000a800 (2, 1, 3)
  0x000ac00 (2, 1, 4)
  0x000b000 (2, 1, 5)
  0x000b400 (2, 1, 6)
  0x000b800 (2, 1, 7)
  0x000bc00 (2, 1, 8)
+  26 -   2 <Tree 0x0-0x9a000-0x134000>
+  25 -   5 <Tree 0x0-0x9a000-0x134000>

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