How To Initialize A Register To 0000? – InterviewSolution

1.

How To Initialize A Register To 0000?

Answer»

XR Rx,Rx:

This is the best way and most efficient way of initializing
the register VALUES or Label values to '0'.
Its because the time required to execute a LOGICAL
Instruction is always LESS than the Arithmetic Instructions.

e.g SR Rx,Rx consumes more execution time than XR Rx,Rx.

So XR Rx,Rx is a better way to do obtain our TARGET.

XR Rx,Rx:

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