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