Star Micronics NR-15, NR-10 user manual Define macro Use macro

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for the macro: one to define it, and one to use it. They are given in the Table 6-9.

Function

Define macro

Use macro

Table 6-9

Macro instruction commands

Control code

<EfjCi “+” ...(codesyou include)

...CHR$(30)

< ESC > “+ ” CHR$(l)

To see how this works we can build a macro that will reset the printing style to normal, no matter what style it may be to start with. The following program will define a macro to do this.

10 LPRINT CHR$(27);‘It”; ‘Start macro

20LPRINT CHR$(27);“h”;CHR$(O); ‘Big character off

30LPRINT CHRs(27);“!“;CHR$(0) ; ‘Select normal pica

40	LPRINT CHR$(27);“T” ;	‘Super & subscripts
	off	0); ‘Left-aligned
50	LPRINT CHR$(27);“a”;CHR$(
	printing
60 LPRINT CHR$(30)		‘End macro
	definition

As the comments in the program show, we started to define the macro in line 10. Line 20 cancels big character printing. Line 30 sets normal pica, and this command also cancels proportional pitch, condensed print, expanded print, boldface, emphasized, italics, and underlining. Line 40 cancels super- scripts and subscripts. Line 50 sets left-aligned printing. Then, line 60 ends the macro definition. This printer will remember this macro until the power is turned off or until a new macro is defined. A macro can hold up to 16 bytes (characters) of information. The one that we defined contains eleven.

Now that you have defined a macro, let’s see how to use it. This program will print one line using several printing features. Then it “calls” the macro in line 60. When line 70 prints the style is “plain vanilla” because the macro has reset it.