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Select vertical form unit (VFU) channel
<ESC>
I
On>
1Bh
2m
Ott>
27
47
On>
Both
The command above selects a VFU within which all subsequent <VT> commands
will be executed, where on> is a binary value from 0 to 7. Different sets of vertical
tabs can be stored in different channels using the cESC> b command, and selected
using this command.
Set VFU vertical tabs
cESC>
b
On>
010,
. . .
Both
_
cd>
<NuLB
1Bh
62h
On>
. . .
-all>
OOh
27
98
On>
cno>
. . .
C?ll>
0
The command above sets vertical tabs inside a VFD, where on> is the VFU channel
(olon><7)
(accessed by the <ES-
/ cm> command), and subsequent absolute
values (in lines) of vertical tabs (accessed by the <VT> command) are represented
by 010> to cnZ>. These values must be given in ascending order, otherwise the
command will be terminated. The sequence must end with a cNUL> @Oh). If no
vertical tab values are given between the channel number and the cNULz-, then all
previous vertical tab positions set for that channel will be cleared.
Set relative vertical tab positions
Both
<ESC>
e
1
<n>
1Bh
65h
27
101
31h
49
Cn>
Cn,
The command above will set relative vertical tab positions, where <n> is a binary
value giving the distance in lines between vertical tabs set by this command. The
vertical tabs set by this command are subsequently accessed by the <VT, command.
All vertical tabs previously set are cleared. Instead of the ASCII "l", the binary Olh
character can be used.
42
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