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 H I M P S T V

⟦19d20b4c8⟧ Bits:30002699 SW1495 Myresnak Release 1.2, 5¼" Floppy Disk, CpmFSAuto

    Length: 1261568 (0x134000)
    Description: Bits:30002699 SW1495 Myresnak Release 1.2
    Types: 5¼" Floppy Disk, CpmFSAuto
    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:  +15/-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 0 128 HCIRKEL.MYR ⟦0ead193a0⟧ TextFile
0 0 256 HJUL.MYR ⟦fcf1ebb92⟧ TextFile
0 0 128 INSTJOB.SUB ⟦55fe6418c⟧ TextFile
0 0 31360 MYRESNAK.CMD ⟦614f6823f⟧
0 0 128 POLY.MYR ⟦66b81598f⟧ TextFile
0 0 128 POLYGON.MYR ⟦8c1c65a53⟧ TextFile
0 0 128 POLYSTEP.MYR ⟦6adc1e331⟧ TextFile
0 0 128 POLYTO.MYR ⟦d6e149852⟧ TextFile
0 0 128 SOL.MYR ⟦5112bc8f1⟧ TextFile
0 0 128 SPIRAL.MYR ⟦df58da30b⟧ TextFile
0 0 128 STARTUP.0 ⟦badf78e0d⟧ TextFile
0 0 128 STRAALE.MYR ⟦87e6f4af8⟧ TextFile
0 0 128 VCIRKEL.MYR ⟦8335e0dcb⟧ TextFile

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 16-1-1-1-1-1-1-1
   (2, 1)  0xa000 1-1-1-1-1-1-1-1

Total credibility: 15

Block number width: ok16

   8     0     8    35    14  False
  16     0     8    35     0  False

Block Sizes:
    2048 0x00 +14 -0
     256 0x00 +12 -2
     512 0x00 +12 -2
    1024 0x00 +12 -2
    4096 0x01 +12 -2
    8192 0x03 +12 -2
   16384 0x07 +12 -2
   32768 0x0f +12 -2
   65536 0x1f +12 -2
     128 0x00 +11 -3

Candidate interleaves in order of directory credibility:

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

File & label names found:
  0x0008000 (2, 0, 1)
    ProbeDirEnt {status=0x20, name=»SW1495     «, xl=0x31, bc=0x00, xh=0x00, rc=0x00, al=00000000000000006f0a13206f0a1320}
    ProbeDirEnt {status=0x00, name=»MYRESNAKCMD«, xl=0x00, bc=0x00, xh=0x00, rc=0x80, al=080009000a000b000c000d000e000f00}
    ProbeDirEnt {status=0x00, name=»MYRESNAKCMD«, xl=0x01, bc=0x00, xh=0x00, rc=0x75, al=10001100120013001400150016001700}
    ProbeDirEnt {status=0x00, name=»SPIRAL  MYR«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=18000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»POLYGON MYR«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=19000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»HCIRKEL MYR«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=1a000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»VCIRKEL MYR«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=1b000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»STRAALE MYR«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=1c000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»SOL     MYR«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=1d000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»HJUL    MYR«, xl=0x00, bc=0x00, xh=0x00, rc=0x02, al=1e000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»STARTUP 0  «, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=1f000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»INSTJOB SUB«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=20000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»POLY    MYR«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=21000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»POLYSTEPMYR«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=22000000000000000000000000000000}
    ProbeDirEnt {status=0x00, name=»POLYTO  MYR«, xl=0x00, bc=0x00, xh=0x00, rc=0x01, al=23000000000000000000000000000000}
*  15 -   0 [1, 2, 3, 4, 5, 6, 7, 8]
+  15 -   1 [1, 4, 7, 2, 5, 8, 3, 6]
+  15 -  12 [1, 3, 5, 7, 2, 4, 6, 8]

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