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: ┃ 8 C E I S

⟦244c40696⟧ Bits:30005767 SW1727/I8 RC702 RcComal80 Distributions diskette rel. 1.0, 8" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 1177344 (0x11f700)
    Description: Bits:30005767 SW1727/I8 RC702 RcComal80 Distributions diskette rel. 1.0
    Types: 8" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CpmFSAuto,512,2048,16,0x0,1<2<3<4,2:0-76:1

CpmFSAuto

Media:             [0, 0, 1] … [76, 1, 15] {128: 26, 256: 26, 512: 2280}
Signature:         CpmFSAuto,512,2048,16,0x0,1<2<3<4,2:0-76:1
Confidence score:  +5/-0
Sector size:       512
Block size:        2048
Directory entries: 16
Block number size: 16
Extent-mask:       0x00
Sector-interleave: 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15, 4, 8, 12
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 28672 COMAL80.COM ⟦587397edf⟧
0 0 9984 COMALCNV.COM ⟦b863b74a6⟧
0 0 2432 ERRMSG ⟦dddd344a2⟧
0 0 1280 SYSTEXT.C80 ⟦9864c1927⟧

CP/M filesystem probe

Geometry: [[0, 0, 1], [76, 1, 15]]

First credible dirsect is: (2, 0, 1) at 0x6300 with 0x0 attribute records

Credible directory tracks:
   (2, 0)  0x6300 6-1-0-0-1-1-0-0-1-1-0-0-1-1-0

Total credibility: 5

Block number width: ok16

   8     0     2    23    17  False
  16     0     2    23     0  False

00:COMAL80 COM rc=0x080 c=0x008 ProbeDirEnt {status=0x00, name=»COMAL80 COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=02000300040005000600070008000900}
00:COMAL80 COM rc=0x060 c=0x006 ProbeDirEnt {status=0x00, name=»COMAL80 COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x60, al=0a000b000c000d000e000f0000000000}
00:COMALCNVCOM rc=0x04e c=0x005 ProbeDirEnt {status=0x00, name=»COMALCNVCOM«, xl=0x00, bc=0x00, xh=0x00, rc=0x4e, al=10001100120013001400000000000000}
00:ERRMSG      rc=0x013 c=0x002 ProbeDirEnt {status=0x00, name=»ERRMSG     «, xl=0x00, bc=0x00, xh=0x00, rc=0x13, al=15001600000000000000000000000000}
00:SYSTEXT C80 rc=0x00a c=0x001 ProbeDirEnt {status=0x00, name=»SYSTEXT C80«, xl=0x00, bc=0x00, xh=0x00, rc=0x0a, al=17000000000000000000000000000000}
Block Size 2048.00 2048 extent_mask = 0x0

Candidate interleaves in order of directory credibility:

Penalty  Name         Order                                                                     Resulting dir order
      0  normal-1     (1-2-3-4-5-6-7-8-9-10-11-12-13-14-15)                                     [5]   +5/-7
      0  normal-2     (1-3-5-7-9-11-13-15-2-4-6-8-10-12-14)                                     [5]   +5/-6
      0  normal-3     (1-4-7-10-13-2-5-8-11-14-3-6-9-12-15)                                     [5]   +5/-5
      0  normal-4     (1-5-9-13-2-6-10-14-3-7-11-15-4-8-12)                                     [5]   +5/-0
      0  normal-5     (1-6-11-2-7-12-3-8-13-4-9-14-5-10-15)                                     [5]   +5/-7
      0  normal-6     (1-7-13-4-10-2-8-14-5-11-3-9-15-6-12)                                     [5]   +5/-3
From the beastiarium: CpmFSCr16   +0/-0

File & label names found:
  0x0006300 (2, 0, 1)
    ProbeDirEnt {status=0x00, name=»COMAL80 COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=02000300040005000600070008000900}
    ProbeDirEnt {status=0x00, name=»COMAL80 COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x60, al=0a000b000c000d000e000f0000000000}
    ProbeDirEnt {status=0x00, name=»COMALCNVCOM«, xl=0x00, bc=0x00, xh=0x00, rc=0x4e, al=10001100120013001400000000000000}
    ProbeDirEnt {status=0x00, name=»ERRMSG     «, xl=0x00, bc=0x00, xh=0x00, rc=0x13, al=15001600000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»SYSTEXT C80«, xl=0x00, bc=0x00, xh=0x00, rc=0x0a, al=17000000000000000000000000000000}
+   5 -   0 <Tree 0x0-0x8fb80-0x11f700>
+   5 -   3 <Tree 0x0-0x8fb80-0x11f700>

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