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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