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section 7 - Index of

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SUBR Shift Right and Subtract Accumulators SUBRCondition Codes:I LF I DM I T I ** I S1 I SO I 11 I 10 I s I L E I u N I z15 14 13 12 11 10 9 8 7 6 5 4 3 2 oS - Computed according to the definition in A.5 CONDITION CODE COMPUTATIONL - Set if limiting (parallel move) or overflow has occurred in resultE - Set if the signed integer portion <strong>of</strong> A or B result is in useU - Set if A or B result is unnormalizedN - Set if bit 55 <strong>of</strong> A or B result is setZ -Set if A or B result equals zeroV - Set if overflow has occurred in A or B resultC - Set if a carry (or borrow) occurs from bit 55 <strong>of</strong> A or B resultNote: The definitions <strong>of</strong> the E and U bits vary according to the scaling mode being used.Refer to Section A.5 CONDITION CODE COMPUTATION for complete details.Instruction Format:SUBR S,DCCROpcode:23 8 7 4 3DATA BUS MOVE FIELD I 0 0 o 0 J dooOPTIONAL EFFECTIVE ADDRESS EXTENSIONInstruction Fields:S,D dB,A 0A,BTiming: 2+mv oscillator clock cyclesMemory: 1 +mv program words

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