Epson LX-90 User Manual - Commodore 8691 PIC for LX-90 - Page 29

Dot Patterns, of many small dots.

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The quickest and easiest way to print graphics on your HomeWriter-10 is to use a commercial graphics program. With such programs you usually create an image on your monitor or TV screen and then give a command to send the image to the printer. If you use commercial software that produces graphics, all you need to know about dot graphics is how to use the software. If, on the other hand, you want to do your own programming or want to understand how the HomeWriter- prints graphics, read on. Dot Patterns Graphic images are formed on the HomeWriter- about the same way that pictures in newspapers and magazines are printed. If you look closely at a newspaper photograph, you can see that it is made up of many small dots. The HomeWriter- also forms its images with patterns of dots, as many as 72 dots per inch vertically and 60 dots per inch horizontally. The images you print on the HomeWriter- can, therefore, be as finely detailed as the one on the first page of this chapter. 26

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The quickest and easiest way to print graphics on your
HomeWriter-10 is to use a commercial graphics program. With such
programs you usually create an image on your monitor or TV screen
and then give a command to send the image to the printer.
If you use commercial software that produces graphics, all you
need to know about dot graphics is how to use the software. If, on the
other hand, you want to do your own programming or want to
understand how the HomeWriter- prints graphics, read on.
Dot Patterns
Graphic images are formed on the HomeWriter- about the same
way that pictures in newspapers and magazines are printed. If you
look closely at a newspaper photograph, you
can see that
it is made up
of many small dots.
The HomeWriter- also forms its images with patterns of dots, as
many as 72 dots per inch vertically and 60 dots per inch horizontally.
The images you print on the HomeWriter- can, therefore, be as
finely detailed as the one on the first page of this chapter.
26