DataMuseum.dk

Presents historical artifacts from the history of:

RegneCentralen RC850

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

See our Wiki for more about RegneCentralen RC850

Excavated with: AutoArchaeologist - Free & Open Source Software. 

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Index: 8 A C D E G I L P S T U Z

⟦02694042d⟧ Bits:30005850 CP/M-86 Additional system files disk (RC855), 8" Floppy Disk, CpmFSAuto, ImdContainer

    Length: 255616 (0x3e680)
    Description: Bits:30005850 CP/M-86 Additional system files disk (RC855)
    Types: 8" Floppy Disk, CpmFSAuto, ImdContainer
    Notes: CP/M-fs(128_1024_0x0_*6+1+5+3+2+6+4_2:0_76:0_24)

CpmFSAuto

Media:             [0, 0, 1] … [76, 0, 26] {128: 1997}
Signature:         128_1024_0x0_*6+1+5+3+2+6+4_2:0_76:0_24
Confidence score:  +39/-5 NoSector(0x10), NoSector(0x12), NoSector(0x13), NoSector(0x15)
Sector size:       128
Block size:        1024
Directory entries: 24
Block number size: 8
Extent-mask:       0x00
Sector-interleave: 1, 7, 13, 19, 25, 5, 11, 17, 23, 3, 9, 15, 21, 2, 8, 14, 20, 26, 6, 12, 18, 24, 4, 10, 16, 22
Tracks:            (2, 0), (3, 0), (4, 0), (5, 0), (6, 0), (7, 0) […] (71, 0), (72, 0), (73, 0), (74, 0), (75, 0), (76, 0)
user bc length name artifact
0 0 26240 ASM86.CMD ⟦81d433825⟧
0 0 27904 ASM86.COM ⟦0b1f2e60d⟧
0 0 2432 COPYDISK.CMD ⟦6710c3b27⟧
0 0 13568 CPM.ORG ⟦469c2b54b⟧
0 0 13568 CPM.SYS ⟦4c10e6c7a⟧ Unread_Sectors
0 0 13952 DDT86.CMD ⟦e7074a29b⟧
0 0 9216 ED.CMD ⟦b41cc4ad2⟧
0 0 5504 GENCMD.CMD ⟦91da6821e⟧
0 0 4224 GENCMD.COM ⟦75ab03b07⟧
0 0 9728 GENDEF.CMD ⟦1cf8e4227⟧
0 0 9728 GENDEF.COM ⟦3d811a395⟧
0 0 8448 LDCOPY.CMD ⟦fdb6ef388⟧
0 0 5120 LMCMD.CMD ⟦4c44d17a6⟧
0 0 3840 LMCMD.COM ⟦90152fc2f⟧
0 0 6016 LOADER.CMD ⟦bc2fd0f8d⟧
0 0 7552 PIP.CMD ⟦188dad4ee⟧
0 0 9344 STAT.CMD ⟦55df679fe⟧
0 0 3968 SUBMIT.CMD ⟦39dae12ec⟧
0 0 2688 TOD.CMD ⟦71ca4a62b⟧
0 0 512 Z80.CMD ⟦b4b25c90d⟧
0 0 11520 Z88.COM ⟦dd9c08759⟧

CP/M filesystem probe

Geometry: [[0, 0, 1], [76, 0, 26]]

First credible dirsect is: (2, 0, 1) at 0x1a00 with 0x0 attribute records

Credible directory tracks:
   (2, 0)  0x1a00 4-1-1-0-5-0-5-1-1-0-1-0-5-1-1-0-1-0-5-0-1-0-1-0-5-0

Total credibility: 23

Block number width: ok8

   8     0     2   212     0  False
  16     0    36 54483     0   True

Block Sizes:
    1024 0x00 +23 -0
     512 0x00 +1 -22
    2048 0x01 +1 -22
    4096 0x03 +1 -22
    8192 0x07 +1 -22
   16384 0x0f +1 -22
   32768 0x1f +1 -22
   65536 0x3f +1 -22
     128 0x00 +0 -23
     256 0x00 +0 -23

Candidate interleaves in order of directory credibility:

Penalty  Name         Order                                                                     Resulting dir order
      0  normal-6     (1-7-13-19-25-5-11-17-23-3-9-15-21-2-8-14-20-26-6-12-18-24-4-10-16-22)    [3, 4, 4, 4, 4, 4]   +39/-5
      8  normal-12    (1-13-25-11-23-9-21-7-19-5-17-3-15-2-14-26-12-24-10-22-8-20-6-18-4-16)    [3, 4, 4, 0, 0, 0, 0, 4, 4, 4]   +23/-30
     19  normal-8     (1-9-17-25-7-15-23-5-13-21-3-11-19-2-10-18-26-8-16-24-6-14-22-4-12-20)    [3, 0, 0, 4, 4, 0, 0, 4, 4, 0, 0, 0, 4]   +24/-33
     22  normal-4     (1-5-9-13-17-21-25-3-7-11-15-19-23-2-6-10-14-18-22-26-4-8-12-16-20-24)    [3, 4, 0, 4, 0, 0, 4, 0, 4, 0, 0, 4]   +24/-30
     23  normal-2     (1-3-5-7-9-11-13-15-17-19-21-23-25-2-4-6-8-10-12-14-16-18-20-22-24-26)    [3, 0, 4, 4, 0, 0, 4, 0, 0, 4, 0, 0, 4]   +23/-33
     26  normal-10    (1-11-21-5-15-25-9-19-3-13-23-7-17-2-12-22-6-16-26-10-20-4-14-24-8-18)    [3, 0, 0, 4, 0, 4, 0, 4, 0, 4, 0, 4]   +23/-37
From the beastiarium: CpmFSCr16   +0/-0

File & label names found:
  0x0001a00 (2, 0, 1)
    ProbeDirEnt {status=0x00, name=»Z88     COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x5a, al=02030405060708091718191a00000000}
    ProbeDirEnt {status=0x00, name=»CPM     SYS«, xl=0x00, bc=0x00, xh=0x00, rc=0x6a, al=0a0b0c0d0e0f1011121314151b1c0000}
    ProbeDirEnt {status=0x00, name=»LDCOPY  CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x42, al=1625262728292a2ba900000000000000}
  0x0001d00 (2, 0, 7)
    ProbeDirEnt {status=0x00, name=»Z80     CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x04, al=24000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»COPYDISKCMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x13, al=2c2d2e00000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»ASM86   COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=2f303132333435363738393a3b3c3d3e}
    ProbeDirEnt {status=0x00, name=»ASM86   CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=464748494a4b4c4d4e4f505152535455}
  0x0002000 (2, 0, 13)
    ProbeDirEnt {status=0x00, name=»ASM86   CMD«, xl=0x01, bc=0x00, xh=0x00, rc=0x4d, al=565758595a5b5c5d5e5f000000000000}
    ProbeDirEnt {status=0x00, name=»ASM86   COM«, xl=0x01, bc=0x00, xh=0x00, rc=0x5a, al=3f404142434445606162636400000000}
    ProbeDirEnt {status=0x00, name=»GENDEF  COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x4c, al=65666768696a6b6c6d6e000000000000}
    ProbeDirEnt {status=0x00, name=»GENCMD  COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x21, al=6f707172730000000000000000000000}
  0x0002300 (2, 0, 19)
    ProbeDirEnt {status=0x00, name=»LMCMD   COM«, xl=0x00, bc=0x00, xh=0x00, rc=0x1e, al=74757677000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»DDT86   CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x6d, al=898a8b8c8d8e8f909192939495960000}
    ProbeDirEnt {status=0x00, name=»SUBMIT  CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x1f, al=9798999a000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»GENCMD  CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x2b, al=9b9c9d9e9fa000000000000000000000}
  0x0002600 (2, 0, 25)
    ProbeDirEnt {status=0x00, name=»PIP     CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x3b, al=a1a2a3a4a5a6a7a80000000000000000}
    ProbeDirEnt {status=0x00, name=»LMCMD   CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x28, al=aaabacadae0000000000000000000000}
    ProbeDirEnt {status=0x00, name=»LOADER  CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x2f, al=afb0b1b2b3b400000000000000000000}
    ProbeDirEnt {status=0x00, name=»TOD     CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x15, al=b5b6b700000000000000000000000000}
  0x0001c00 (2, 0, 5)
    ProbeDirEnt {status=0x00, name=»STAT    CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x49, al=b8b9babbbcbdbebfc0c1000000000000}
    ProbeDirEnt {status=0x00, name=»ED      CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x48, al=c2c3c4c5c6c7c8c9ca00000000000000}
    ProbeDirEnt {status=0x00, name=»GENDEF  CMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x4c, al=cbcccdcecfd0d1d2d3d4000000000000}
    ProbeDirEnt {status=0x00, name=»CPM     ORG«, xl=0x00, bc=0x00, xh=0x00, rc=0x6a, al=78797a7b7c7d7e7f8081828384850000}
*  39 -   5 [1, 7, 13, 19, 25, 5, 11, 17, 23, 3, 9, 15, 21, 2, 8, 14, 20, 26, 6, 12, 18, 24, 4, 10, 16, 22]
+  24 -  30 [1, 5, 9, 13, 17, 21, 25, 3, 7, 11, 15, 19, 23, 2, 6, 10, 14, 18, 22, 26, 4, 8, 12, 16, 20, 24]
+  23 -  30 [1, 13, 25, 11, 23, 9, 21, 7, 19, 5, 17, 3, 15, 2, 14, 26, 12, 24, 10, 22, 8, 20, 6, 18, 4, 16]
+  24 -  33 [1, 9, 17, 25, 7, 15, 23, 5, 13, 21, 3, 11, 19, 2, 10, 18, 26, 8, 16, 24, 6, 14, 22, 4, 12, 20]
+  23 -  33 [1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26]
+  23 -  37 [1, 11, 21, 5, 15, 25, 9, 19, 3, 13, 23, 7, 17, 2, 12, 22, 6, 16, 26, 10, 20, 4, 14, 24, 8, 18]

Full view