DataMuseum.dk

Presents historical artifacts from the history of:

Jet Computer Jet80

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

See our Wiki for more about Jet Computer Jet80

Excavated with: AutoArchaeologist - Free & Open Source Software. 

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Index: 5 C D K P S

⟦0f064fc17⟧ Bits:30002856 COMAL-80 (BigBoard) for JET80, 5¼" Floppy Disk, CpmFSAuto

    Length: 819200 (0xc8000)
    Description: Bits:30002856 COMAL-80 (BigBoard) for JET80
    Types: 5¼" Floppy Disk, CpmFSAuto
    Notes: CP/M-fs(1024_2048_0x0_32_*1+1_1:0_79:1)

CpmFSAuto

Media:             [0, 0, 1] … [79, 1, 5] {1024: 800}
Signature:         1024_2048_0x0_32_*1+1_1:0_79:1
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
Tracks:            (1, 0), (1, 1), (2, 0), (2, 1), (3, 0), (3, 1) […] (77, 0), (77, 1), (78, 0), (78, 1), (79, 0), (79, 1)
user bc length name artifact
0 0 3200 CCP.COM ⟦d5f2012fa⟧
0 0 39680 COMAL-BB.COM ⟦ec8caa1ed⟧
0 0 21760 CPM3.SYS ⟦be04209af⟧
0 0 3072 D.COM ⟦cefd77dc2⟧
0 0 7424 DEVICE.COM ⟦220e51042⟧
0 0 128 KSJ.CSB ⟦425ace69b⟧
0 0 8704 PIP.COM ⟦acce36279⟧
0 0 1920 PRIMO.COM ⟦d45113e9b⟧
0 0 4096 SETDEF.COM ⟦977891bca⟧
0 0 5376 SUBMIT.COM ⟦2e0941854⟧

CP/M filesystem probe

Geometry: [[0, 0, 1], [79, 1, 5]]

First credible dirsect is: (1, 0, 1) at 0x2800 with 0x0 attribute records

Credible directory tracks:
   (1, 0)  0x2800 14-1-1-1-0

Total credibility: 13

Block number width: ok16

   8     0     2    52    38  False
  16     0     2    52     0  False

Block Sizes:
    2048 0x00 +13 -0
    4096 0x01 +2 -11
    8192 0x03 +2 -11
   16384 0x07 +2 -11
   32768 0x0f +2 -11
   65536 0x1f +2 -11
     128 0x00 +1 -12
     256 0x00 +1 -12
     512 0x00 +1 -12
    1024 0x00 +1 -12

Candidate interleaves in order of directory credibility:

Penalty  Name         Order                                                                     Resulting dir order
      0  normal-1     (1-2-3-4-5)                                                               [13]   +13/-0

File & label names found:
  0x0002800 (1, 0, 1)
    ProbeDirEnt {status=0x00, name=»CCP     COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x19, al=02000300000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»CPM3    SYS«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=0400050006000700080009000a000b00}
    ProbeDirEnt {status=0x00, name=»CPM3    SYS«, xl=0x01, bc=0x00, xh=0x00, rc=0x2a, al=0c000d000e0000000000000000000000}
    ProbeDirEnt {status=0x00, name=»D       COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x18, al=0f001000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»DEVICE  COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x3a, al=11001200130014000000000000000000}
    ProbeDirEnt {status=0x00, name=»PIP     COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x44, al=15001600170018001900000000000000}
    ProbeDirEnt {status=0x00, name=»PRIMO   COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x0f, al=1a000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»SETDEF  COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x20, al=1b001c00000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»SUBMIT  COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x2a, al=1d001e001f0000000000000000000000}
    ProbeDirEnt {status=0x00, name=»COMAL-BBCOM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=20002100220023002400250026002700}
    ProbeDirEnt {status=0x00, name=»COMAL-BBCOM«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=280029002a002b002c002d002e002f00}
    ProbeDirEnt {status=0x00, name=»COMAL-BBCOM«, xl=0x02, bc=0x00, xh=0x00, rc=0x36, al=30003100320033000000000000000000}
    ProbeDirEnt {status=0x00, name=»KSJ     CSB«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=34000000000000000000000000000000}
+  13 -   0 <Tree 0x0-0x64000-0xc8000>

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