DataMuseum.dk

Presents historical artifacts from the history of:

Rational R1000/400

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

See our Wiki for more about Rational R1000/400

Excavated with: AutoArchaeologist - Free & Open Source Software.


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⟦a0af24538⟧ Ada Source

    Length: 3072 (0xc00)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package Fslabels, seg_012b2f

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─ ⟦5a81ac88f⟧ »Space Info Vol 1« 
        └─⟦this⟧ 

E3 Source Code



with Basetype;
with System;

package Fslabels is
    type Area_Description is
        record
            First_Sector : Basetype.Sector_Position;
            Last_Sector : Basetype.Sector_Position;
        end record;

    type Usage_Form is
        record
            Dfs_Exists : Basetype.Byte;
            R1000_Part_Is_Empty : Basetype.Byte;
        end record;

    type Shared_Label is
        record
            Filler : Basetype.Word;
            Format_Pattern : Basetype.Word;
            Shared_Label_Version : Basetype.Word;
            Bad_Block_Version : Basetype.Word;
            Size : Basetype.Sector_Position;
            Bad_Block_Area : Area_Description;
            Retarget_Area : Area_Description;
            Dfs_Area : Area_Description;
            Rfs_Area : Area_Description;
            Scratch_Area : Area_Description;
            Usage : Usage_Form;
            Hda_Id : Basetype.Literal_30;
        end record;
    type Shared_Label_Ptr is access Shared_Label;
    type Dir_Pointers is array (0 .. 7) of Basetype.Word;
    type Dfs_Label is
        record
            Format_Pattern : Basetype.Word;
            Free_Head : Basetype.Word;
            Directory : Dir_Pointers;
        end record;  
    type Dfs_Label_Ptr is access Dfs_Label;
end Fslabels;

E3 Meta Data

    nblk1=2
    nid=0
    hdr6=4
        [0x00] rec0=21 rec1=00 rec2=01 rec3=012
        [0x01] rec0=0a rec1=00 rec2=02 rec3=000
    tail 0x2150da19c82b14dbfe7e9 0x42a00088462060003