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endix B IBM ProPrinte
r
X24 and IBM ProPrinter II Commands
ESC
[
@
n1 n2 m1 m2 m3 m
4
Double Hei
g
ht/Width
Hexadecimal code: 1B 5B 40 04 00 00 00 m3 m4
Sets double height and / or double width for the characters printed, with or without
chan
g
in
g
the line feed.
Parameters
n1 and
n2
indicate the number of bytes that follow and have the following
fixed values:
(
4
)
D and
(
0
)
D res
p
ectivel
y
.
These two parameters are followed by four bytes (from
m1
to
m4
) which have the
following values:
Parameters
m1 and
m
2
have a fixed value:
(
0
)
D.
Parameter
m3
defines the height of the characters and the line feed according to the
decimal values in the table below:
m3
Line feed and height of characters
0
No change with respect to the current settings
1
Unchanged line feed, normal height
2
Unchanged line feed, double height
16
Single line feed, unchanged height
17
Single line feed, normal height
18
Single line feed, double height
32
Double line feed, unchanged height
33
Double line feed, normal height
34
Double line feed
,
double hei
g
ht
The top half of the byte indicates the line feed (unchanged, single or double); the bottom
half of the b
y
te indicates the hei
g
ht of the characters.
Parameter
m4
defines the width of the characters according to the decimal values in the
table below:
m4
Width of characters
0
Unchanged width
1
Normal width
2
Double width
The top half of the byte is ignored, while the values of the bottom half of the byte are
si
g
nificant.
B-17