Star Micronics SG-10 User Manual page 115

Star micronics printer user's manual
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n Combining
text and graphics
It's also possible to mix text and graphics in one line. This can
be useful for labeling charts or graphs, or even inserting fancy
graphics in text. Try adding these lines to our program:
45 PRINT #l,"WOW!" ;
85 PRINT #l,"This is great!" ;
Now if you run the program
you should get a printout
that
looks like this:
But there is one thing to be careful of: all graphics data must
print on the same line. The graphics command
is turned off at
the end of each line, even if you have specified that more graphics
codes follow. To see what we mean, charge line 30 to plot 1000
points and run the program.
391 WID = l@$?~
This will make the sine wave pattern long enough to go off
the page.
As you can see, SG- IO/15 printed graphics up to the end of
the line, then ignored the rest of the graphics data and returned
to normal text on the next line.
PRINTING
A DESIGN
OR LOGO
Since you control the firing of every pin, you can print nearly
anything with SG-IO/l5 that you can draw (and probably better,
if you're like most computer users!). This can be used for creating
"computer
art" or drawing maps. Or, as we'll show you here,
you can use dot graphics to print your logo at the top of each
letter you print.
Designing an image to print with dot graphics is much like
designing download
characters.
The best way to start is to lay
out your image on graph paper. Since you can print eight rows
(seven with a 7-bit interface) of dots with each pass of the print
head, draw a heavy horizontal line every eight rows on your graph
107

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