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RMV Operations Manual Revision Copyright illunis LLC, 2014
Page 104
Serial Commands
Target
Index
Command
R/W Description
03
03
0C
13
PIO Data
OSD Horizontal Index
W
R/W
Data:Index
Address: 0x000B
03
03
0C
13
PIO Data
OSD Horizontal Index
W
R/W
Data:Index
Address: 0x000C
03
03
0C
13
PIO Data
OSD Horizontal Index
W
R/W
Data:Index
Address: 0x0053
User text
can be displayed using the built in Font. To write user text a horizontal and vertical offset
must be set. Then the text character can be written. The user text is sent as a PIO write which requires
two commands, a data set and a address top write to. The ASCII font is included in the default font as
well as some special characters. If you write an application to display all character values from 0 to 127
you can see the entire character set (as seen in the image below).
Horizontal Index:
This register selects the horizontal location where the OSD character will be written.
Vertical Index:
This register selects the vertical location where the OSD character will be written.
If the most significant bit is set then the Character Memory is written.
If the most significant bit is clear then the Screen Memory is written.
RMV Default Font Test Pattern
OSD Text Box
Horizontal
Vertical
On Screen Text Display: Location offset