High−level Instructions
3 − 148
Description
Performs exclusive OR operation on each bit in the 16-bit equivalent constant or 16-bit data specified by S1
and S2. The exclusive OR operation result is stored in the 16-bit area specified by D.
{(S1)
(S2)} {(S1) (S2)} → (D)
Detects the bits whose on and off states do not match.
If the values of S1 and S2 are equal, all the bits of the data specified by D become 0.
Exclusive OR operation
The exclusive OR operation is shown below.
S1 S2 D
000
011
101
110
Flag conditions
・Error flag (R9007): Turns on and stays on when the area specified using the index modifier
exceeds the limit.
・Error flag (R9008): Turns on for an instant when the area specified using the index modifier
exceeds the limit.
・= flag (R900B): Turns on for an instant when the calculated result is recognized as “0”.
To Next Page