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section 7 - Index of

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CLR Clear Accumulator CLROperation:o ~D (parallel move)Assembler Syntax:CLR D (parallel move)Description: Clear the destination accumulator. This is a 56-bit clear instruction.Example:CLR A #$7F,N ;clear A, set up NO addr. reg.Before ExecutionA~I ___ $_12_:3_45_6_78_:9_AB_C_D_E __ ~A 1'--___After Execution$0_0:_00_00_00_:0_00_0_00 __ ----'Explanation <strong>of</strong> Example: Prior to execution, the 56-bit A accumulator contains thevalue $12:345678:9ABCDE. The execution <strong>of</strong> the CLR A instruction clears the 56-bit Aaccumulator to zero.Condition Codes:I: 1 OM 1 T 1** J:' 1 so 1 11 1 '~ I: 1 LIE 1 U JR N 1 z 1 vi: I15 14 13 12 11 10 9 8 7 6 5 4 3 2 °-S - Computed according to the definition in A.5 CONDITION CODE COMPUTATIONL - Set if data limiting has occurred during parallel moveE - Always clearedU - Always setN - Always clearedz- Always setV - Always cleared

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