Panasonic FP-E Programming Manual page 1016

High−level Instructions
If S2 specifies a higher word of real number data, processing will take place over the same area as if the lower
word had been specified.
Real number data table
Lower word
S1: 0
Higher word
S1+1:
S1+2: 1
S1+3:
Lower word
S2−1:
n
Higher word
S2:
Relative address
If there are several values which are a maximum value, the relative address of the first value found searching
from S1 is stored in D+2.
Flag conditions
・Error flag (R9007):
・Error flag (R9008):
3 − 752
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Lower word
D:
Maximum value
Higher word
D+1:
D+2: Relative address
Turns on and stays on when:
Turns on for an instant when:
− The area specified using the index modifier exceeds the limit.
− S1 > S2.
− The areas of S1 and S2 are different.
− The real number data is outside possible operating range.