Star Micronics NB24-10/15 Dot noraml ESC* CHR$O Esck nl n2 ml, Dot double ESZ* CHR$l, Escy

123

with, these new commands are followed by two bytes to specify the number of graphics data bytes to print and then the data.

Table 7-4

Alternative graphics commands

Density	Single command		Individualcommand
&dot noraml	(ESC)“*” CHR$(O) (ESC)“K” nl n2 ml
	nl n2 ml	m2 ...	m2 ...
&dot double	(ES(Z)“*” CHR$(l)		(ESC)“L”	nl	n2 ml
	721n2 ml	m2 ...	m2 ...
a-dot double at	(ESC)“*”	CHR$(B)	(ESC)“Y”	nl	n2 ml
double-speed	nl n2 ml	m2 ...	m2 ...
g-dot quadruple	(ES(Z)“*” CHR$(3)		(ESC)“Z”	nl	n2 ml
	nl n2 ml	m2 ...	m2 ...

At the end of this chapter, we’ll discuss one mode that the printer offers to help you solve potential graphics problems. A redefining code allows you to change the density for graphics programs that use one of the four alternate codes. The com- mand looks like this:

(ESC) ‘?” n0 nl

Where n0 is one of the four letters, “K”, “L”, “Y”, or “Z”, and nl is one of the numbers used with the (ESC) “*” command, 0 to 4, 6, 32, 33, 38, 39 and 40.

This is a quick way to change the aspect ratio of the design that you are printing. Changing the graphics mode will change the width without changing the height. However, you should make this change with caution.

If you change one of the 8-dot graphics mode to a 24-dot graphics mode, without changing the program that supplies the graphics data, you will print garbage (if the program prints at all). Remember, the 24-dot graphics modes require three times as much graphics data as the 8-dot graphics modes, and also, the data is arranged differently.