Panasonic FP7 Series Command Reference Manual page 331

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Processing
Example 1) Operation unit: 16 bits (US)
Example 2) Operation unit: 32 bits (UL)
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Precautions for programming
If the ending area of the operation device is specified for [D], the memory for the subsequent
device may be overwritten by an area twice the size of the operation unit.
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Flag operations
Name
SR7
SR8
(ER)
WUME-FP7CPUPGR-12
Description
To be set in the case of out-of-range in indirect access (index modification).
To be set when data other than BCD are specified for the calculation target data [S1] or [S2].
6.12 BCDMUL (BCD Data Multiplication)
6-27