Genicom GEK 00031B Programmer's Manual page 250

VPA
VPB
VPR
Chapter 8. PPL3 Plus Emulation
(Continued)
Error Handling
Be aware that VPA interacts with coordinate system bounds.
Vertical Position Backward: Moves the active vertical position up by
the specified number of units. The horizontal position does not
change.
Source: Application
Format
CSI Pn k
Description
Select the VPB parameter as follows:
Pn Meaning
0 Interpreted as 1.
Number of units, depending on PUM and
n SSU.
Error Handling
Note that this command interacts with coordinate system bounds.
If the Pn is more than the current vertical position, then the current
vertical position is set to top margin and the first character flag is set.
There is no change if Pn is less than 5 decipoints.
Vertical Position Relative: Moves the active vertical position down
by the specified number of units. The horizontal position does not
change.
Source: Application
Format
CSI Pn e
Description
Select the VPR parameter as follows:
Pn Meaning
0 Interpreted as 1.
n Number of units, depending on PUM and
SSU.
VPR leaves the First Character Flag unchanged if PUM is reset. If
PUM is set, the First Character Flag is cleared.
Destination: Level 3
Destination: Levels 2, 3
250
GEK-00029B