DSC AND SCS DATA STREAM COMMANDS
Set Attribute (SA)
28ttvv
SA specifies an attribute associated with subsequent characters in
the data stream. The codes remain valid until a new SNA chain
begins or a new SA code changes the value of the character
attribute. This command is used for APL, color, and underline.
28
Control sequence prefix of a Set Attribute
command
tt
One-byte number that defines the command as
follows:
X'00' =
Reset
X'41' =
Extended highlighting
X'42' =
Color
X'43' =
Character Set
X'00' = Reset enables attributes to reset to
defaults.
vv
One-byte number which clarifies tt as follows:
Extended highlighting definitions:
X'00' =
Normal (default)
X'F1' =
Blink (accept)
X'F2' =
Reverse Video (accept)
X'F4' =
Underline (supported)
The receipt of Blink and Reverse Video
parameters cause underlining to be disabled on
all emulations other than the coax 3812
emulation.
Color definitions:
X'00' =
Black (default)
X'F1' =
Blue (prints black)
X'F2' =
Red (prints black)
X'F3' =
Pink (prints black)
X'F4' =
Green (prints black)
X'F5' =
Turquoise (prints black)
X'F6' =
Yellow (prints black)
X'F7' =
Black (supported)
Character Set definitions:
X'00'
=
Default character set
X'F1'
=
APL character set (supported)
X'40'—X'FE' =
Local character set identifier
(ignored except for X'F1.')
Remember
Any invalid sequence is reported to the host as an invalid SCS
command.
2-12
XEROX MRP FAMILY COAX COMMAND REFERENCE
