DEC PPL2 Quick Reference
Table H–1 Conventions
ESC
Escape (1/11), introduces an escape sequence
CSI
Control Sequence Introducer (9/11), introduces a control sequence. CSI can
also be represented by the equivalent escape sequence
ESC [
(1/11 5/11).
DCS
Device Control String (9/0), introduces a device control string. DCS can also
be represented by the equivalent escape sequence
ESC P
(1/11 5/0).
ST
String Terminator (9/12) indicates the end of a control string. ST can also be
represented by the equivalent escape sequence
ESC \
(1/11 5/12).
Pn
Numeric parameter, or number of units that specify a distance or quantity
pertaining to the escape sequence, control function or control string.
Ps
Selective parameter, or one which identifies a list of options pertaining to
the specific command. If
">"
(3/14) or
"?"
(3/15) occurs at the beginning
of a string of parameters, the parameters that follow are Digital private
parameters.
">"
or
"?"
, if present, must occur only once at the beginning of
the parameter string.
I
n
Intermediate character — component of an escape sequence, control sequence
or control string
F
Final character — component of an escape sequence, control sequence or
control string
SP
Space (2/0)
NOTE: Both numeric and selective parameters are interpreted as unsigned
decimal integers, with the most significant digit sent first. For instance, the
value 16 is coded as "16" (3/1 3/6). Leading zeros are allowed but are ignored.
Plus and minus signs are not allowed.
H–2 DEC PPL2 Quick Reference
