6 BASIC INSTRUCTIONS
6.3 Logical Operation Instructions
337
6
• These instructions perform an XNOR operation on the 32-bit binary data in the device specified by (s1) and the 32-bit
binary data in the device specified by (s2), and store the operation result in the device specified by (d).
• When a bit device is specified, the instruction performs an operation by assuming that the ones after the number of digit-
specified points are 0.
There is no operation error.
b31
b31
b31
b16
b16
b16
b15
b15
b15 b0
b0
b0
XNR
0011 0011 110011
0101 0101 100101
1001 1 001 10 1 001
(d)+1 (d)
(s2)+1 (s2)
(s1)+1 (s1)
(s1)
(d)
(s2)