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Fundamentals
of Dot Matrix
Printing
Inch
Spaclng
231144
241144
_------------------------------------
_----e--------m-
1--e------------p
-----------------------------~
----__---------
--a-----
--_
----------_---_---_^______
--
25/l 44
261144
27/l 44
------
---
---
-----m-----------w
----
~~~~ ----I------_I_
-v----m
--
--
28/l 44
---
----
i0
LPRINT TAB(30);"High
Resolution Vertical Spacing *
15 LPRINT TbB(30)~"Using
the ESC 3 n Control
Cod@ "
20 FOR I * I TO 30
SO IF I = 13 THEN 6020 110
40 M * INT ( 144 I ( 6 t I 1 1 : !F II { 2 THEN H = 2
50 LPRINT CHR1(271;
CHRt(Sll;CHRS(Il:
60 FOR
J = 0
TO M
70 IF
J
= t-1 THEN LPRINT
I : "/144
INCH SPACINS";
80 LPRINT TRB(30)i
90 FOR N * 1 TO 401 tPRINT CHR$(2411;
: NEXT N: LPRINT
100
NEXT J
110 NEXT I
120 LPRINT CHR$(27);"@":
END
Figure 6-5b. This continuation of Figure 6-5a depicts a more "open" spacing,
that you might use for prin ting drafts of documents that need room for letting
the reviewer manually insert changes. This printout was produced by the
BASIC program listed above, written for the IBM-PC. Consult the appendices
to learn how to adapt this program to other computers.
89
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