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MNEMONIC
OPERAND
WORD TIMES
LOGICAL INSTRUCTIONS (continued)
RAM
M
2
RBM
M
2
XMA
M
2
XMB
M
2
XAM
M
2
XBM
M
2
XAZ
M
2
XBZ
M
2
xcz
I
1
REGISTER TRANSFER INSTRUCTIONS
DESCRIPTION
OR A TO MEMORY.
A logical "OR" is
performed with the contents of A and the
contents of M.
The result is stored in M.
OR B TO MEMORY.
A logical "OR" is
performed with the contents of B and the
contents of M.
The result is stored in M.
EXCLUSIVE OR MEMORY TO A. A logical
"EXCLUSIVE OR" is performed with the
contents of M and the contents of A.
The
result is placed in A.
EXCLUSIVE OR MEMORY TO B. A logical
"EXCLUSIVE OR" is performed with the
contents of M and the contents of B.
The
result is placed in B.
EXCLUSIVE OR A TO MEMORY. A logical
"EXCLUSIVE OR" is performed with the
contents of A and the contents of M.
The
result is stored in M.
EXC LU SI VE OR B TO MEMORY. A logical
"EXCLUSIVE OR" is performed with the
contents of B and the contents of M.
The
result is stored in M.
EXCLUSIVE OR A TO Z. A logical "EXCLU-
SIVE OR" is performed on the contents of
A and M.
The result in the
Z
drivers is
placed only in the Branch Flip-Flops.
A
and M remain unchanged.
EXCLUSIVE OR B TO Z. A logical "EXCLU -
SIVE OR" 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.
EXCLUSIVE OR C TO Z. A logical "EXCLU -
SIVE OR" is performed on I (1-7) and the
contents of C. The result in Z is placed only
in
the Branch Flip-Flops.
C remains
unchanged.
All of the register transfer instructions use the low-order bits of the instruction to specify which
registers are to be included in the FROM group and which in the TO group. The possibilities are:
FROM:
A The A Register
B The B Register
C The C Counter
[Q)£1J/A\~(g1J
c:J
~@------------
-74-
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