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What are the two instructions in H8S to increase performance over 300H?

Latest Updated:03/18/2009

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 detailed instructions allow the H8S 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.
Suitable Products
H8/300H
H8S Family