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Exchange
An instruction containing the operation "
" directs the computer to exchange the contents of
the A register with the contents of the addressed register. The contents of M are not affected
except by the exchange between A and M. The contents of the R register are not affected. The
setting of the Decimal Wheel has no effect on this operation.
___________________________________________________________________________________
INSTRUCTION
_ RESULT_______________________________
M
⇔
A
R
operates as R
(R
A)
A
Absolute Value
b
b
⇔
A
B
B
⇔
A
c
c
⇔
A
C
C
⇔
A
d
d
⇔
A
D
D
⇔
A
e
e
⇔
A
E
E
⇔
A
f
f
⇔
A
F
F
⇔
A
___________________________________________________________________________________
EXAMPLE:
Decimal Wheel set at 2.
______________________________________
M
A
R
B _
BEFORE
6
9.0014
12.00 15.123
B
AFTER
6 15.123
12.00
9.0014
___________________________________________________________________________________
This instruction can be used manually, however , the computer will print only the adcressed register and
the instruction. e.g. C
.
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