Panasonic FP-E Programming Manual page 414

High−level Instructions
Description
Performs exclusive NOR operation on each bit in the 16-bit equivalent constant or 16-bit data specified by S1
and S2. The exclusive NOR operation result is stored in the 16-bit area specified by D.
{(S1) {(S1)
(S2)}
Detects the bits whose on and off states match.
If the values of S1 and S2 are equal, all the bits of the data specified by D become 1.
Exclusive NOR operation
The exclusive NOR operation is shown below.
S1 S2 D
0 0 1
0 1 0
1 0 0
1 1 1
Flag conditions
・Error flag (R9007):
・Error flag (R9008):
・= flag (R900B):
3 − 150
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
(S2)} → (D)
Turns on and stays on when the area specified using the index modifier
exceeds the limit.
Turns on for an instant when the area specified using the index modifier
exceeds the limit.
Turns on for an instant when the calculated result is recognized as "0".