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Define download character(s)
<ESC>
& <NuL>
Cd>
ai?> C?P
<cl> <c2>
ao>
. . . cm Standard
1Bh
<al>
26h
cd>
OOh
<n>
ccl> <c2>
ao>
. . .
Cn>
27
38 0
<cl> cc2>
cue>
Cal>
Cd> CID . . . Cn>
<ES0
s>
4lUb
ccl> <c2>
CUOB
Cal>
<n> . . .
en, IBM
I
1Bh
3Dh
OOh
ccl> <c2>
cclo,
<al> Cd>
<rP . . .
Cn>
27 61
0
<cl>
<c2>
ao>
al>
CU2> Cn> . . . <n>
The command above enables the definition of “soft” characters to be downloaded.
The following rules are observed. <cl> and <c2> are binary values which determine
the character range which will be replaced by downloaded data. For instance, if
<cl>=20h and cc2>=30h, all characters from 20h through 30h will be overwritten
by the downloaded data. If a downloaded character is stored in the area 80h through
9Fh, it can only be primed in the character set #2 mode. It is possible to store
downloaded characters in the part of the character set reserved for IBM block
graphics @Oh through DFh, F4h and F5h), but these characters can only be printed
when the standard character set has been selected.
<ao>, cab and cu2> are attribute bytes, setting the starting dot column, printable
width (in dots), and ending dot column respectively. The following values must not
be exceeded:
54