13.07.2015 Views

IBM 5280 Distributed Data System - Index of

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Search Ordered Table for Higher or Equal Entry (TBFH):::::: I Bin ~:j_F;_(t_ab!e label'l~ ~n. ~1~ I~0------~~8--~/~~1~5-J~--'~2~~-+--~3~1o D IJ IID Table: The index into the system table that contains the address and parametersfor the table to be searched.fJ <strong>Index</strong> register address: The address <strong>of</strong> the binary register into which the tableindex where the index <strong>of</strong> the higher or equal entry is placed upon completion<strong>of</strong> this operation.II Bit 23:o = Begin the search in the table with the first entry (N not specified).1 = Begin the search in the table with the next entry after the entry in theindex register (N specified).II Search argument address: The address <strong>of</strong> the decimal register that containsthe search argument.The labeled table is searched for an entry equal to or higher than the contents <strong>of</strong>the decimal register. The search ends when the first higher or equal entry is foundor when the last table entry has been searched. If an equal or higher entry is found,the index <strong>of</strong> that entry is placed into the binary register. If no equal or higherentry is found, the binary register remains unchanged and 1125 and 1127 are seton.210

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