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DataMuseum.dkPresents historical artifacts from the history of: Rational R1000/400 DFS Tapes |
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Length: 514 (0x202)
Types: EM, TextFile
Names: »PARITY_OF_SLOW.EM«
└─⟦24d56d853⟧ Bits:30000744 8mm tape, Rational 1000, DFS, D_12_6_5 SEQ293
└─ ⟦this⟧ »PARITY_OF_SLOW.EM«
└─⟦9031b0687⟧ Bits:30000407 8mm tape, Rational 1000, DFS, D_12_7_3
└─ ⟦this⟧ »PARITY_OF_SLOW.EM«
! returns the 8 bit parity of a 64 bit word word (%1% = WORD) [or [lshift [and 1 [count_ones [#extract %1% 00 8]]] 7], [or [lshift [and 1 [count_ones [#extract %1% 08 8]]] 6], [or [lshift [and 1 [count_ones [#extract %1% 10 8]]] 5], [or [lshift [and 1 [count_ones [#extract %1% 18 8]]] 4], [or [lshift [and 1 [count_ones [#extract %1% 20 8]]] 3], [or [lshift [and 1 [count_ones [#extract %1% 28 8]]] 2], [or [lshift [and 1 [count_ones [#extract %1% 30 8]]] 1], [and 1 [count_ones [#extract %1% 38 8]]]]]]]]]]