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6. Explanation of Commands
- 30 -
(6) Logical operation commands
Class
Process
unit
Comman
d sign
Symbol
Process details
No.
of
step
Page
16-bit
WAND
WAND S1 S2 D
(S1) ^ (S2) (D)
4 136
Logical AND
32-bit
DAND
DAND
S D
(D + 1, D) ^ (S + 1, S) (D + 1, D)
3~4 138
16-bit
WOR
W OR S1 S2 D
(S1) V (S2) (D)
4 140
Logical OR
32-bit
DOR
DOR
SD
(D + 1, D) V (S + 1, S) (D + 1, D)
3~4 142
16-bit
WXOR
W XOR S1 S2 D
(S1) V– (S2) (D)
4 144
Exclusive OR
32-bit
DXOR
DXOR SD
(D + 1, D) (S + 1, S) (D + 1, D)
3~4 146
Complement
of 2
16-bit
NEG
NEG
D
(D) + 1 (D)
2
148