Table of Contents
Advertisement
10
NOW YOUR 91008
A Y
.Y
accumulator -the result of an arithmetic operation on two num-
CONTINUED
bers, one in the X register and one in the Y register, appears
in the Y register.
EXAMPLE:
6.34-7-2
-
3.17
(with 5
.
34
~
.X )
PRESS:
t
2
DISPLAY:
3. I
7
~
)'
•
-
•
Z
temporary- used for 'temporary' storage; the number is stored
in the Z register wh i le a rithmetic operations a re performed on
two other numbers in the
X
and Y registers, then the number
in Z can .Ae returned to Y and included once again in the calcula-
tion. Use of the Z register saves using the program and data
storage registers.
EXAMPLE:
3
2
~
2
=
4 (20 will be stored in Z while 3 and 2 are
added);
PRESS:
CLEAR
2
0
t
DISPLAY:
20.
~
y
PRESS:
3
t
DISPLAY:
20.
~
Z,
3.
~
Y
PR
ESS:
2
DISPLAY:
2.
X and
Y
can now be added
with out affect
ing Z;
PRESS:
+
....
DISPLAY:
5
.
~
)
'
Advertisement
Chapters
Table of Contents
