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Logical Instructions
The truth table for the logical AND function is:
y
(A,B,C)
0
0
1
1
Mnemonic
NMA
AND MEMORY TO A.
NMB
AND MEMORY TO B.
NAM
AND A TO MEMORY.
NBM
AND B TO MEMORY.
NAZ
AND A TO Z.
M
(M,I)
0
1
0
1
Operand
M
M
M
M
M
z
(A,B,M)
0
0
0
1
Word Times
2
A logical AND is performed with the contents
of M and the contents of A. The result is placed
in A.
2
A logical AND is performed with the contents
of M and the contents of B. The result is placed
in
B.
2
A logical AND is performed with the contents
of A and the contents of M. The result is stored
in
M.
2
A logical AND is performed with the contents
of
B
and the contents of M. The result is stored
inM.
2
A logical AND is performed on the contents
of A and the contents of M. The result in the
Z drivers is placed only in the branch flip-
flops. A and M remain unchanged.
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~@------------
Il-8
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