Outline

Acquire fixed-sized memory block (polling).

C format

ER pget_mpf ( ID mpfid, VP *p_blk );

Assembly format

MOVW BC, #LOWW(_p_blk) MOV A, #mpfid CALL !!_pget_mpf

Parameter(s)

I/O	Parameter	Description
I	ID mpfid;	ID number of the fixed-sized memory pool from which a memory block is acquired.
O	VP *p_blk;	Start address of the acquired memory block.

Explanation

This service call acquires the memory block from the fixed-sized memory pool specified by parameter mpfid and stores the start address in the area specified by parameter p_blk.

If a memory block could not be acquired from the target fixed-sized memory pool (no available memory blocks exist) when this service call is issued, memory block acquisition processing is not performed but "E_TMOUT" is returned.

Return value

Macro	Value	Description
E_OK	0	Normal completion.
E_TMOUT	-50	Polling failure.