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Fundamentals of Dot Matrix Printing
Inch
Spaclng
231144
241144
_------------------------------------
_----e--------m- 1--e------------p
-----------------------------~
----__---------
--a-----
--_
----------_---_---_^______ --
25/l 44
261144
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------ ---
--- -----m-----------w
---- ~~~~ ----I------_I_
-v----m
--
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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.
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