DataMuseum.dk

Presents historical artifacts from the history of:

RegneCentralen RC759 "Piccoline"

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about RegneCentralen RC759 "Piccoline"

Excavated with: AutoArchaeologist - Free & Open Source Software.


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Index: 5 C I K L P S T

⟦71c7fc24d⟧ Bits:30003917 Mikro-Logo version 1.0 til Piccoline, 5¼" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 1261568 (0x134000)
    Description: Bits:30003917 Mikro-Logo version 1.0 til Piccoline
    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:  +13/-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 6528 KASSE.LOG ⟦c85a49e8f⟧ TextFile
0 0 53376 LOGO.CMD ⟦a9cebcae1⟧
0 0 10240 LOGOCONV.CMD ⟦7a68773f9⟧
0 0 3328 LOGOKOM.HLP ⟦b1fb429ff⟧
0 0 4224 LOGOSAET.HLP ⟦da6aae3d0⟧
0 0 2176 POLYGON.LOG ⟦2c9cedd8e⟧
0 0 1664 SPIRAL.LOG ⟦68c7f5ba2⟧
0 0 1152 STJERNE.LOG ⟦15d7aa542⟧

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 13-1-1-1-1-1-1-1
   (2, 1)  0xa000 1-1-1-1-1-1-1-1

Total credibility: 12

Block number width: ok16

   8     0     8    53    34  False
  16     0     8    53     0  False

Block Sizes:
    2048 0x00 +11 -0
    4096 0x01 +2 -9
    8192 0x03 +2 -9
   16384 0x07 +2 -9
   32768 0x0f +2 -9
   65536 0x1f +2 -9
     128 0x00 +0 -11
     256 0x00 +0 -11
     512 0x00 +0 -11
    1024 0x00 +0 -11

Candidate interleaves in order of directory credibility:

Penalty  Name         Order                                                                     Resulting dir order
      0  normal-1     (1-2-3-4-5-6-7-8)                                                         [12]   +13/-0
      0  normal-2     (1-3-5-7-2-4-6-8)                                                         [12]   +14/-6
      0  normal-3     (1-4-7-2-5-8-3-6)                                                         [12]   +12/-5
From the beastiarium: CpmFSCr16   +0/-0

File & label names found:
  0x0008000 (2, 0, 1)
    ProbeDirEnt {status=0x20, name=»logo       «, xl=0x31, bc=0x00, xh=0x00, rc=0x00, al=0000000000000000c50c0130c50c0130}
    ProbeDirEnt {status=0x00, name=»LOGO    CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=080009000a000b000c000d000e000f00}
    ProbeDirEnt {status=0x00, name=»LOGO    CMD«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=10001100120013001400150016001700}
    ProbeDirEnt {status=0x00, name=»LOGO    CMD«, xl=0x02, bc=0x00, xh=0x00, rc=0x80, al=180019001a001b001c001d001e001f00}
    ProbeDirEnt {status=0x00, name=»LOGO    CMD«, xl=0x03, bc=0x00, xh=0x00, rc=0x21, al=20002100220000000000000000000000}
    ProbeDirEnt {status=0x00, name=»LOGOCONVCMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x50, al=23002400250026002700000000000000}
    ProbeDirEnt {status=0x00, name=»LOGOSAETHLP«, xl=0x00, bc=0x00, xh=0x00, rc=0x21, al=280029002a0000000000000000000000}
    ProbeDirEnt {status=0x00, name=»LOGOKOM HLP«, xl=0x00, bc=0x00, xh=0x00, rc=0x1a, al=2b002c00000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»KASSE   LOG«, xl=0x00, bc=0x00, xh=0x00, rc=0x33, al=2e002f00300031000000000000000000}
    ProbeDirEnt {status=0x00, name=»POLYGON LOG«, xl=0x00, bc=0x00, xh=0x00, rc=0x11, al=32003300000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»SPIRAL  LOG«, xl=0x00, bc=0x00, xh=0x00, rc=0x0d, al=34000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»STJERNE LOG«, xl=0x00, bc=0x00, xh=0x00, rc=0x09, al=35000000000000000000000000000000}
*  13 -   0 [1, 2, 3, 4, 5, 6, 7, 8]
+  14 -   6 [1, 3, 5, 7, 2, 4, 6, 8]
+  12 -   5 [1, 4, 7, 2, 5, 8, 3, 6]

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