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this: boldface and emphasized print. Both of these go over the
characters twice, but they use slightly different methods to
darken the characters. Let’s try them and see what the dif-
ference is.
The following table shows the control codes for getting into
and out of boldface and emphasized modes.
Table 4-10
Print emphasis commands
Try them now with this little program:
10 ' Demo of boldface and emphasized
20 LPRINT CHR$(27);"G";
30 LPRINT "This line is BOLDFACE printing."
40 LPRINT CHR$(27);"E";
50 LPRINT "This line is BOLDFACE and EMPHASIZED."
60 LPRINT CHR$(27);"H";
70 LPRINT "This line is EMPHASIZED printing."
80 LPRINT CHR$(27);"F";
90 LPRINT "This line is normal printing."
100 END
Run this program. The results will look like this:
This line is BOLDFACE printing.
This line is BOLDFACE and EMPHASIZED.
This line is EMPHASIZED printing.
This line is normal printing.
Line 20 turns on boldface with (ESC) “G” and line 30 prints a
line of text. In line 40 emphasized is turned on with (ESC) “E”.
Line 50 prints a line of text in boldface and emphasized. Line 60
then turns boldface off with (ESC) “H” so that line 70 can print
in emphasized only. Finally, line 80 turns emphasized off, so