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IBM 5280 Distributed Data System - Index of

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Store Decimal Register into Labeled Storage (label (len) = Rn)Source:labelI(lr~n~L I IObject:I ~1110J8 15 17 310 f) D~o Length: The number <strong>of</strong> bytes minus 1 (hex O-F) <strong>of</strong> data to store.D Load register address: The address <strong>of</strong> the decimal register where data isstored.II Storage address: The storage address (hex 0000-7FFF) <strong>of</strong> data to store.The microprocessor stores the data in the specified decimal register at the specifiedstorage address. <strong>Data</strong> is taken from the rightmost bytes <strong>of</strong> the register.Binary Add (BRn +=)Source:BRa += [label (len)]BRb (len)_ L-:-I1Object: I 90 I ~ ,; I ~ I~o--------~8~--I+-~7~1~5-------t~------~31DB IID Result/factor 1: The address <strong>of</strong> the binary register that contains factor 1 andwill contain the result <strong>of</strong> this instruction.B Bit 15:o = Length <strong>of</strong> factor 2 is 2.1 = Length <strong>of</strong> factor 2 is 1.II Factor 2: The address <strong>of</strong> the leftmost byte <strong>of</strong> the binary register (BRb) orlabeled (label) area that contains factor 2.Factor 2 is added to factor 1, and the result is placed in the factor 1 register.236

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