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 R

⟦3255702dd⟧ Bits:30004112 SW1540 2780/3780 Emulator, 5¼" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 1261568 (0x134000)
    Description: Bits:30004112 SW1540 2780/3780 Emulator
    Types: 5¼" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CpmFSAuto,1024,2048,512,0x0,1,2:0-76:1, CpmFSAuto,1024,2048,512,0x0,1<2,2:0-76:1

CpmFSAuto

Media:             [0, 0, 1] … [76, 1, 8] {1024: 1232}
Signature:         CpmFSAuto,1024,2048,512,0x0,1,2:0-76:1
Confidence score:  +4/-0
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 60672 RJE.CMD ⟦1fdbbbfff⟧

CpmFSAuto

Media:             [0, 0, 1] … [76, 1, 8] {1024: 1232}
Signature:         CpmFSAuto,1024,2048,512,0x0,1<2,2:0-76:1
Confidence score:  +4/-0
Sector size:       1024
Block size:        2048
Directory entries: 512
Block number size: 16
Extent-mask:       0x00
Sector-interleave: 1, 3, 5, 7, 2, 4, 6, 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 60672 RJE.CMD ⟦dc37aca51⟧

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 7-2-2-2-2-2-2-2
   (2, 1)  0xa000 2-2-2-2-2-2-2-2

Total credibility: 21

Block number width: ok16

   8     0     8    32    26  False
  16     0     8    37     0  False

00:RJE     CMD rc=0x080 c=0x008 ProbeDirEnt {status=0x00, name=»RJE     CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=080009000a000b000c000d000e000f00}
00:RJE     CMD rc=0x080 c=0x008 ProbeDirEnt {status=0x00, name=»RJE     CMD«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=10001100120013001400150016001700}
00:RJE     CMD rc=0x080 c=0x008 ProbeDirEnt {status=0x00, name=»RJE     CMD«, xl=0x02, bc=0x00, xh=0x00, rc=0x80, al=180019001a001b001c001d001e001f00}
00:RJE     CMD rc=0x05a c=0x006 ProbeDirEnt {status=0x00, name=»RJE     CMD«, xl=0x03, bc=0x00, xh=0x00, rc=0x5a, al=20002100220023002400250000000000}
Block Size 2048.00 2048 extent_mask = 0x0

Candidate interleaves in order of directory credibility:

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

File & label names found:
  0x0008000 (2, 0, 1)
    ProbeDirEnt {status=0x20, name=»SW1540 1.2 «, xl=0x31, bc=0x00, xh=0x00, rc=0x00, al=0000000000000000dd0e1517dd0e1517}
    ProbeDirEnt {status=0x00, name=»RJE     CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=080009000a000b000c000d000e000f00}
    ProbeDirEnt {status=0x00, name=»RJE     CMD«, xl=0x01, bc=0x00, xh=0x00, rc=0x80, al=10001100120013001400150016001700}
    ProbeDirEnt {status=0x00, name=»RJE     CMD«, xl=0x02, bc=0x00, xh=0x00, rc=0x80, al=180019001a001b001c001d001e001f00}
    ProbeDirEnt {status=0x00, name=»RJE     CMD«, xl=0x03, bc=0x00, xh=0x00, rc=0x5a, al=20002100220023002400250000000000}
  0x0008400 (2, 0, 2)
  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)
+   4 -   0 <Tree 0x0-0x9a000-0x134000>
+   4 -   0 <Tree 0x0-0x9a000-0x134000>
+   4 -   1 <Tree 0x0-0x9a000-0x134000>

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