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LINE PRINTER OPERATIONAL CAPABILI
speeds and to mInImize the interruption of
TIES
processor activities during data transfer. Processor
interruption is further minimized by a print line
The printer is capable of performing the
buffer that stores and prints a complete line of
following operations:
(l)
print without spacing;
print rather than interrupt the processor for each
(2) space one line and print; (3) space two lines
character printed. Data transfer is terminated
and print; (4) space to head of form and print.
when a complete line image has been prin ted or
For printers with the vertical format option
when a record mark is sensed in memory,
(PRF91 01):
(1)
space to channel one (or two
whichever occurs first.
through 12) and print; or (2) space to channel
one (or two through 12) and do not print.
Printer Character Set
Transfer of data between the main memory
The character set of the printer is an ASCII
print-image area and printer is regulated and
subset. Figure 7-3 is the character set for a
controlled through system interface so as to
64-character printer (PRU9l04/9106) and Figure
reconcile the differing mechanical and electronic
7-4 is the character set for a 96-character printer
B8
0
0
0
0
0
0
0
0
1
1
I
1
)
1
1
B7
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
B6
0
0
1
1
0
0
1
1
0
0
1
0
(I
1
n
B5
0
1
0
1
0
1
0
1
0
1
0
"
,
0
1
"
Y
B4 B3 B2 Bl
~
a
1
2
3
4
9
6
7
8
9
II.
II
C
E:
I'
Row
l
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0
a
0
a
0
SPACE
0
SPACE
0
@
P
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P
SPACE
0
SPACE
(j
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P
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0
0
0
1
1
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1
A
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a
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B
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B
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2
3
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8
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1
3
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4
$
4
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4
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0
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$
4
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4
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0
1
a
1
5
%
5
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5
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U
E
U
%
5
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5
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II
E
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1
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6
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6
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6
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r
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0
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7
7
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w
G
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7
7
. .
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G
W
1
0
0
0
8
(
8
(
8
II
X
II
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a
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x
II
'/
,
,
i
1
0
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1
9
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1
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1
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:
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1
1
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F
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0
NOTE
0
?
I
?
0
0
I"
I
I
-
I
-
N~TE
NOTE - INDICATES SPACE
\
BASIC CHARACTER SET
OF PRINTER
Figure 7-3. Character Set for PRU 9104/9106 Printers
,
I
1
I
1
1
1
1
B7
a
0
0
0
1
1
1
1
0
0
()
0
1
1
J
1
B8
0
0
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a
0
0
0
0
1
1
0
1
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B6
0
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1
1
0
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1
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0
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B5
1
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1
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a
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r---
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(,
7
8
9
1\
0
C
II
P
04
B3
B2 Bl RO
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1
2
3
4
5
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-
SPACE
0
SPACE
0
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P
0
0
0
1
1
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1
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1
Q
a
q
1
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1
A
0
a
q
0
0
0
0
0
SPACE
0
SPACE
0
@
P
P
A
!
0
0
1
a
2
"
2
"
2
B
R
b
r
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2
,
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2
B
R
b
r
c
t
3
3
C
S
..
S
0
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1
1
3
3
3
C
S
S
d
t
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1
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0
4
$
*
4
•
$
4
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T
d
t
$
4
$
4
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u
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5
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5
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5
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u
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5
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5
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,
6
F
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f
v
0
1
1
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6
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6
&
6
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f
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6
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7
,
7
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,
7
7
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8
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6
H
X
h
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1
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8
(
8
H
1
0
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1
9
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9
9
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1
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1
0
A
:
•
:
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Z
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z
:
•
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z
*
1
0
1
1
B
+
*
;
+
;
K
[
k
(
+
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+
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K
(
k
{
1
1
0
0
C
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1
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,
L
1
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<
,
<
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M
m
1
1
0
1
D
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=
-
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M
J
m
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)
1
1
1
0
E
>
>
N
,
n
-
>
>
N
,
n
0
MYl'E
1
1
1
1
F
?
?
0
-
0
NOTE
/
?
/
?
0
I
I
,
NOTE - INDICATES SPACE
BASIC CHARACTER SET
OF PRINTER
Figure 7-4. Character Set for PRU 9103/9105 Printers
7-3
AT04
LINE PRINTERS
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