Star Micronics NX-10 user manual M,m.m,m,m,m,m,m,,m

download character. You can see how we’ve laid it out in Figure 6-5. Later in this chapter we’ll use this character to create a small graph.)

	m,m,m,m.m,m,m,m,m,m,,m,,
	ASCII Code
	Descender
32	Start column
	End column
16

M, = Descender • 128 + (Start * 161 + End

Total

i

ETigure 6-4. Use this grid (or one similar to it) to define your owr 1 draft characters.

You’ll notice that Figure 6-4 includes a lot of informatior 1 around the grid. Don’t be intimidated; we’ll explain each item as we come to it in our discussion of defining and actually printing download characters. You may have noticed another difference between this grid and the one sh.ow in Figure 6-3: it’s only eight boxes high. Which leads us to ...

H Rule 1: Draft download characters are eight dots high

As you noticed in Figure 6-2, capital letters, most lowercase letters, and most special characters use only the top seven pins of the printhead. Draft download characters can go one better: they can use as many as eight of the nine wires in the printhead.

So our grid is eight dots high.

It’s also possible to use the bottom eight pins, just as the “g”, “-73 “ >9

19 P7 “q”, and “y” of the standard character sets do. These are called descenders (because the bottom of the character descends below the baseline of the rest of the characters).