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You’ll probably recognize dl d2 . . . . dx from the top of our
layout grid. That’s right, each column is described by three
bytes. Now we’ve got everything we need to download one
character to the printer. The complete command for our car
character is shown below:
CHR$(27);CHR$(38);CHR$(O);CHR$(6O):CHR$(6O):
CHR$(l);CHR$(9);CHR$(2);CHR$(l);CHR$(24O);CHR$(O):
CHR$(6);CHR$(8);CHR$(O);CHR$(8);CHR$(lOO);CHR$(O);
CHR$(O);CHR$(O);~$(O);CHR$(24);CHR$(99);CHR$(l28):
CHR$(O);CHR$(O);CHR$(O);CHRS(3l):CHR$(255);CHR$(l92~;
CHR$(O);CHR$(O);CHR$(O);CHR$(6);CHR$(3);CHR$(O)
Now let’s send the information to the printer. The following
program will send the character definitions for all two
characters to the printer. Before you enter the program, turn off
the printer and set the DIP switch 2-3 off. Otherwise, your
printer will ignore your download definitions.
After you set the DIP switch correctly, enter the program and
run it.
10 LPRINT CHR$(27);"xO";
20 LPRINT CHR$(27);'*&";CHR$(O);CHR$(6O):CHR$(6l);
30 FOR N=60 TO 61
40 FOR M=l TO 30
50 READ MM
60 LPRINT CHR$(MM);
70 NEXT M
80 NEXT N
90 LPRINT
100 END
110 DATA 1, 9, 2, 1,240, 0, 6, 8, 0, 8,
100, 0
120 DATA 0, 0, 0, 24, 99,128, 0, 0, 0, 31,
255,192
130 DATA 0, 0, 0, 6, 3, 0
140 DATA 1, 9, 2, 14, 0, 0, 0, 31,192, 18,
96, 0
150 DATA 4,132, 64, 16, 10, 0, 4,132, 64, 18,
96, 0
160 DATA 0, 31,192, 14, 0, 0