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 D I R T

⟦ca31f2b6c⟧ Bits:30009622 SW1504 - Asynkron kommunikationspakke ACP750 v.3.0, 5¼" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 1261568 (0x134000)
    Description: Bits:30009622 SW1504 - Asynkron kommunikationspakke ACP750 v.3.0
    Types: 5¼" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CP/M-fs(1024_2048_0x0_*1+1_2:0_76:1_32)

CpmFSAuto

Media:             [0, 0, 1] … [76, 1, 8] {1024: 1232}
Signature:         1024_2048_0x0_*1+1_2:0_76:1_32
Confidence score:  +17/-0 
Sector size:       1024
Block size:        2048
Directory entries: 32
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 1920 ACP.ACF ⟦3d8ad7aa0⟧
0 0 73984 ACP.CMD ⟦13d1006dc⟧
0 0 57216 ACPKONF.CMD ⟦452ee2268⟧
0 0 1920 DATABOKS.ACF ⟦91b7bbd21⟧
0 0 128 INSTJOB.SUB ⟦bc0a1cdd7⟧ TextFile
0 0 1920 RC39.ACF ⟦dbd7d6b86⟧
0 0 1920 RC8000.ACF ⟦dc0dc59a3⟧
0 0 1920 TLFOPL.ACF ⟦cc2ec5217⟧

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 17-1-1-1-1-1-1-1
   (2, 1)  0xa000 1-1-1-1-1-1-1-1

Total credibility: 16

Block number width: ok16

   8     0     8    78    56  False
  16     0     8    78     0  False

Block Sizes:
    2048 0x00 +15 -0
    4096 0x01 +6 -9
    8192 0x03 +6 -9
   16384 0x07 +6 -9
   32768 0x0f +6 -9
   65536 0x1f +6 -9
     128 0x00 +1 -14
     256 0x00 +1 -14
     512 0x00 +1 -14
    1024 0x00 +1 -14

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]   +17/-0
      0  normal-2     (1-3-5-7-2-4-6-8)                                                         [16]   +16/-4
      0  normal-3     (1-4-7-2-5-8-3-6)                                                         [16]   +16/-2
From the beastiarium: CpmFSCr16   +0/-0

File & label names found:
  0x0008000 (2, 0, 1)
    ProbeDirEnt {status=0x20, name=»SW1500 3.0 «, xl=0x31, bc=0x00, xh=0x00, rc=0x00, al=0000000000000000e90b1512e90b1512}
    ProbeDirEnt {status=0x00, name=»ACP     CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=080009000a000b000c000d000e000f00}
    ProbeDirEnt {status=0x00, name=»ACP     CMD«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=10001100120013001400150016001700}
    ProbeDirEnt {status=0x00, name=»ACP     CMD«, xl=0x02, bc=0x00, xh=0x00, rc=0x80, al=180019001a001b001c001d001e001f00}
    ProbeDirEnt {status=0x00, name=»ACP     CMD«, xl=0x03, bc=0x00, xh=0x00, rc=0x80, al=20002100220023002400250026002700}
    ProbeDirEnt {status=0x00, name=»ACP     CMD«, xl=0x04, bc=0x00, xh=0x00, rc=0x42, al=280029002a002b002c00000000000000}
    ProbeDirEnt {status=0x00, name=»ACPKONF CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=2d002e002f0030003100320033003400}
    ProbeDirEnt {status=0x00, name=»ACPKONF CMD«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=350036003700380039003a003b003c00}
    ProbeDirEnt {status=0x00, name=»ACPKONF CMD«, xl=0x02, bc=0x00, xh=0x00, rc=0x80, al=3d003e003f0040004100420043004400}
    ProbeDirEnt {status=0x00, name=»ACPKONF CMD«, xl=0x03, bc=0x00, xh=0x00, rc=0x3f, al=45004600470048000000000000000000}
    ProbeDirEnt {status=0x00, name=»ACP     ACF«, xl=0x00, bc=0x00, xh=0x00, rc=0x0f, al=49000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»INSTJOB SUB«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=4a000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»RC8000  ACF«, xl=0x00, bc=0x00, xh=0x00, rc=0x0f, al=4b000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»RC39    ACF«, xl=0x00, bc=0x00, xh=0x00, rc=0x0f, al=4c000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»DATABOKSACF«, xl=0x00, bc=0x00, xh=0x00, rc=0x0f, al=4d000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»TLFOPL  ACF«, xl=0x00, bc=0x00, xh=0x00, rc=0x0f, al=4e000000000000000000000000000000}
*  17 -   0 [1, 2, 3, 4, 5, 6, 7, 8]
+  16 -   2 [1, 4, 7, 2, 5, 8, 3, 6]
+  16 -   4 [1, 3, 5, 7, 2, 4, 6, 8]

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