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4-5Graphics
At
60 dpi, Single Density = 792 bytes;
Double Density = 1584 bytes
Quadruple Density = 3168 bytes
D Data
in excess of the right margin is discarded. If the
auto line feed is enabled, data in
excess of the right margin will cause a Line Feed (LF) and continue printing on the
next
line.
A detailed description of the individual bit image control codes with examples is provided in
the
P
rogramming chapter.
Bit Image Sample Program
The
following sample program written in BA
SIC produces Single Density bit image graphics of
the
pattern shown in Figure 4-1. The 7 data bit pattern is repeated 40 times. The printed result
of
running the program is shown in Figure 4-4.
10 LPRINT
”
Single Density Bit Image Graphics
”
20 LPRINT CHR$(27);
”K”;CHR$(24);CHR$(1);
30 FOR N=1 TO 40
40 RESTORE
50 FOR I=1 TO 7
60 READ R
70 LPRINT CHR$(R);
80 NEXT I
90 NEXT N
100 DATA 73, 146, 36, 255, 36, 146, 73
110 LPRINT
Figure 4-4. Sample Single Density Bit Image Graphics
P-Series Compatible Plot Mode
P-Series compatible odd/even dot Plot Mode is available only in P-Series printer protocol.
Plot
Mode allows any individual dot position to be addressed and printed. This
produces a vari
Ć
ety of graphics, including bar codes, complex curve graphs, pie and bar charts,
block
characters,
or
halftones.
Plot Density
Plot
density refers to the number of dots per inch (dpi) printed in a single
dot row. T
wo types of
plot
density are available with P-Series Plot Mode graphics: normal density
and double densi
Ć
ty.