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64
Subroutines
J
Keystrokes
Display
~
IJJ
CLEAR
1'00"1
00
~
ISTol
J
01-
23 1
Stores
a
in
Ri
o
@
02-
74
ISTOI
2
03-
23 2
Stores
b
in
R
2 .
@
04-
74
ISTol
3
05-
23 3
Stores
c
in
R
3 .
~
1GS81
20
06-
12 20
G
07-
51
!RCL!)
08-
24 1
2
09-
2
~
0
10-
61
El
11-
71
I
RIS
I
12-
74
I.sel
20
13- 12 20
Calcuialesrz
=
-b
- Vb'
-4ac
~
2a
8
14-
41
IRCLI
15-
24 1
2
16-
2
~
0
17-
61
El
18-
71
I
RIS
I
19-
74
!RCll
2
20-
24 2
ICHSI
21-
32
~
IACLI 2
22-
24 2
([)0
23-
15 0
IACLI I
24-
24 1
Subroutine
places
-b
in
l"cLI
3
25-
24 3
Y
-register
and
Yb
2
4ac
0
26-
61
in
X-reg
ister, ready for
~
4
27-
4
addition
or
subtraction.
0
28-
61
8
29-
41
IJJ@
30-
14 0
:
[II I
"T"
I
31- 15 12
T
o
initi ali
ze
the
program
you
key
in
a
and
pre
ss
I
RIS
I, key
in
band
press@.
and
key
in
c.
Then
, to
find
rool
r.
pre
ss
~.
To find
r
z
~
press
I
RIS
I
again
.
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