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Mnemonic
Operand
NBZ
M
AND B TO Z.
NCZ
I
AND C TO Z.
The truth table for the logical OR function is:
y
(A,B)
RMA
RMB
RAM
0
0
1
1
OR MEMORY TO A.
OR MEMORY TO B.
OR A TO MEMORY.
M
M
M
M
0
1
0
1
Word Times
2
A logical AND is performed on the contents
of B and the contents of M.
The result in the
Z
drivers is placed only in the branch flip-
flops. Band M remain unchanged.
1
A logical AND is performed on I (1-7) and the
contents of
C.
The result in the
Z
drivers is
placed only in the branch flip-flops.
C
remains
unchanged.
z
(A,B,M)
0
1
1
1
2
A logical OR is performed with the contents
of M and the contents of A. The result is placed
in A.
2
A logical OR is performed with the contents of
M and the contents of A. The result is placed
in A.
2
A logical OR is performed with the contents
of A and the contents of M. The result is stored
in M.
[IDfil1Jfil~[g1Jc:J ~@------------
11-9
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