DataMuseum.dk

Presents historical artifacts from the history of:

Rational R1000/400 DFS Tapes

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 DFS Tapes

Excavated with: AutoArchaeologist - Free & Open Source Software.


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⟦fb0e50018⟧ EM, TextFile

    Length: 1024 (0x400)
    Types: EM, TextFile
    Names: »HEADER.EM«

Derivation

└─⟦b4205821b⟧ Bits:30000743 8mm tape, Rational 1000, DFS, D_12_7_3 SEQ288
    └─ ⟦this⟧ »HEADER.EM« 
└─⟦b434774df⟧ Bits:30000528 8mm tape, Rational 1000, DFS, D_12_6_5
    └─ ⟦this⟧ »HEADER.EM« 
└─⟦bc1274df5⟧ Bits:30000750 8mm tape, Rational 1000, DFS backup from PAM's R1000
    └─ ⟦this⟧ »HEADER.EM« 

TextFile

[eq,%1%,]
    [set NODE 0]
[else]
    [set NODE %1%]
[end]
[set HEAD_RESULT [xeq sys READ_HEADER_PARITY [var NODE] 0]]
[set HEAD_TYP [arg 1, [var HEAD_RESULT]]]
[set HEAD_VAL [arg 2, [var HEAD_RESULT]]]
[set HEAD_PARITY [arg 3, [var HEAD_RESULT]]]
[write,FROM_NODE,=, [#extract, [var HEAD_TYP],0,4],,,,
	TO_NODE,,,=, [#extract, [var HEAD_TYP],4,4],,,,
	LENGTH,,,,=, [#extract, [var HEAD_TYP],7,8]]
[write,FULL_TYPE_DATA,=,[var HEAD_TYP],,,,
       FULL_VAL_DATA,,=,[var HEAD_VAL]]
[eq, [var HEAD_PARITY], true]
    [write,PARITY,,,,=,BAD]
[end]
[kill HEAD_RESULT]
[kill HEAD_TYP]
[kill HEAD_VAL]
[kill HEAD_PARITY]«nul»