IBM 31x, Инструкция по установке и обслуживанию, Страница: 41 / 68

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