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Zero address

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Zero address instructions are stack instructions

let the instructions be

PUSH #3

PUSH #5

ADD  ------------ Add's top 2 elements of stack and stores the result in top of stack

what if initially stack is empty and

PUSH #3

ADD ---------Then what elements are added ???

If I'm wrong Please correct me
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1 Answer

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ADD IS A BINARY OPERATOR ..MUST NEED TWO INPUT TO ADD....HOW CAN WE ADD WITH ONE ELEMENT
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