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What instructions in H8S result in a performance increase over 300H?

Latest Updated:03/23/2009

Question:

What two instructions in the H8S instruction set result in a significant performance increase over the 300H?

Answer:

"LDM, STM. Load multiple and store multiple.

These 2 instructions allow the 300H to push and pop multiple registers onto and off the stack with one instruction. The H8S has to perform individual push and pop instructions for each register."

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