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Appendix C
Installable Device Drivers
Introduction
Ansisys, driver.sys, and ramdrive.sys are
three
installable device
drivers
provided
with
MS-DOS_
This appendix explains
the
details
of
these
drivers_ You should read Appendix
B,
"How
to
Configure
Your System," for
more
information
on
how
to
install them_
Ansi.sys What is an ANSI
escape sequence?
An
ANSI
escape
sequence
is a series
of
characters
(beginning
with
an escape
character
or
keystroke)
that
you
can
use
to
define func-
tions for
MS-DOS_
Specifically,
you
can change graphiCS functions
and
affect
the
movement
of
the
cursor.
This appendix explains
the
ANSI
escape sequences for
MS-DOS.
For
examples
of
how
to
use these sequences,
turn
to
the
end
of
this
appendix.
Notes:
• Pn represents the numeric parameter, a decimal
number
that
you
specify
with
ASCII digits.
• Ps represents the selective parameter, a decimal
number
that
you
use
to
select a subfunction. You may specify
more
than
one
subfunction by separating
the
parameters
with
semicolons_
• PI represents
the
line parameter, a decimal
number
that
you
specify
with
ASCII
digits.
• Pc represents the column parameter, a decimal
number
that
you
specify
with
ASCII
digits_
•
MS-DOS
uses a default value
when
you
do
not
specify a value
or
when
you specify zero.
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