Apa commands, Backspace without deleting, Line feed – IBM 32x User Manual
Page 41: Commands, Backspace, Without, Deleting, Line, Feed
APA
commands
This
section
describes
the
following
APA
VFD
commands:
v
Backspace
without
deleting
v
Line
feed
v
Carriage
return
v
Test
v
Clear
display
v
Display
position
v
Delete
to
end
of
line
v
Dimming
v
Cursor
mode
v
Screen
mode
v
Horizontal
scroll
v
Display
mode
v
User
definable
font
v
Graphic
display
mode
v
Double-size
letter
in
horizontal
v
Character
code
set
of
full-size
letter
v
Character
code
set
of
half-size
letter
v
Horizontal
scroll
on
all
lines
v
Font
selection
v
Null
Note:
The
command
code
format
shown
in
the
following
topics
is
in
hexadecimal
format.
Backspace
without
deleting
08
Purpose:
The
write-in
position
is
shifted
to
the
left
one
digit
and
the
displaying
screen
is
not
changed.
This
command
is
ignored
when
the
write-in
position
is
on
the
least
significant
digit.
Line
feed
0A
Purpose:
The
write-in
position
is
shifted
to
the
next
row
on
the
same
digit
position.
If
the
write-in
position
is
on
the
bottom
row,
the
displayed
character
is
scrolled
up
to
the
upper
row.
All
characters
on
the
bottom
row
are
cleared.
The
write-in
position
is
not
changed.
The
displayed
character
under
the
screen
mode
of
the
24x24-dot
1
row+16x16-dot
2
rows
is
not
scrolled
up
from
the
row
of
16x16-dot
format
to
24x24-dot.
Input/output
device
commands
11-9-2005
Appendix
A.
Input/output
device
commands
A-9