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Are the first 4 bytes of an area acquired with get blk user-accessible?

Latest Updated:12/01/2011

Question:

Are the first 4 bytes of an area acquired with get_blk user-accessible? When data is written to the start address, the area cannot be released using rel_blk.

Answer:

It is OK to use from the start of a memory block but you have to clear the first 4 bytes of the memory block to zero when you release the memory block.
From RX850 Pro V3.15, some libraries do not require the first 4 bytes to be cleared.
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