Panasonic FP7 Series Command Reference Manual page 750

14.24 MIDW (Rewrite from a Given Position in the String)
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Precautions for programming
● The character data of the [D] area from before performing the operation is overwritten.
● If the number of characters in [S2] is greater than the number of characters in the [S1]
character string, the number of characters of the [S1] character string is sent.
● The [n] position should be specified by a number counted from low order in sequence,
putting the least significant byte as K0 (Byte 0): 0, 1, 2 and so on.
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Flag operations
Name
SR7
SR8
(ER)
14-100
Description
To be set in the case of out-of-range in indirect access (index modification).
To be set when [S2] (number of characters) is out of the range.
To be set when the number of characters of [D] is smaller than [n].
WUME-FP7CPUPGR-12