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Code
Description
ESC
=
Character Font Image Download
This sequence starts a character font
image
download. Use a maximum of 94 characters.
If you load less than
94,
all character codes
must be continuous from the first character
code.
You can select the downloaded font with
ESC I CHR$(4) or ESC I CHR$(6).
The two parts of the ESC
=
control code are:
1.
Part one
includes
count 1, count 2,
and
code.
U se
this part once for each ESC
=
command.
2.
Part two
includes the
attribute
and
col.1
through
col.ll.
Repeat this part for each character you
download.
Part
CHR$
(27)
;"=";
CHR$(countl)
;
One
CHR$ (coun
t2) ;CHR$(20)
;
CHR$(cod
e
);
Part
CHR$
(
attri
bute) ;CHR$(0)
;
Two
CHR$
(co
l.
1)
; ...
CHR$
(col
.
11)
;
•
Count 1
and
count 2
show how many characters to
download. The next section describes how to calculate
the values of
count1
and
count2.
•
Code
is the ASCII decimal value for the first
downloaded character. The download characters
replace normal characters starting at that code point.
For example, to download a character set that replaces
characters beginning with the uppercase letter "A",
code
=
65 (ASCII "A"
=
dycimal 65). You can
download to any point from decimal 33 through
decimal 126. All character codes are consecutive from
the starting code point.
4-30
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