11-9-2005 | Input/output device commands |
APA commands
This section describes the following APA VFD commands:
vBackspace without deleting
vLine feed
vCarriage return
vTest
vClear display
vDisplay position
vDelete to end of line
vDimming
vCursor mode
vScreen mode
vHorizontal scroll
vDisplay mode
vUser definable font
vGraphic display mode
vDouble-size letter in horizontal
vCharacter code set of full-size letter
vCharacter code set of half-size letter
vHorizontal scroll on all lines
vFont selection
vNull
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.
Appendix A. Input/output device commands A-9