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PCL-813 User's Manual
SOFTWARE
Introduction
This chapter describes the functions supported by the PCL-813
software driver. Programming languages supported by the driver
include BASICA, GWBASIC, Quick BASIC 4.0/4.5, Microsoft C,
Turbo C, Borland C++, Microsoft PASCAL, and Turbo PASCAL. The
driver is a Terminate and Stay Resident (TSR)
Terminate and Stay Resident (TSR)
Terminate and Stay Resident (TSR)
Terminate and Stay Resident (TSR)
Terminate and Stay Resident (TSR) program which runs
in the background while your application runs in the foreground. You
must install the driver before you can use the following functions.
Each PC-LabCard has its own driver, loaded by typing the appropriate
filename at the DOS prompt. In the case of the PC-LabCard PCL-813,
just type “PCL-813” at DOS prompt, and press enter to load the
program.
Parameter Table
The
software
driver
simplifies
your
programming
by
using
a
Parame-
ter
Table
reference
algorithm.
The
tables
hold
parameters,
minimum
and
maximum
values,
and
other
specific
information
regarding
the
functions.
In
contrast,
the
application
program
contains
tables
specifying
parameters
and
modes
of
operations.
All
the
function
calls
supported
by
the
drivers
need
only
two
arguments:
the
function
number
and
a
memory
address
pointer
which
points
to
a
pre-defined
Parameter
Table.
Once
the
Parameter
Table
is
defined,
just
assign
the
desired
function
number
and
the
Parameter
Table’s
address
to
the
driver.
Once
this
is
done,
it
will
pick
up
the
necessary
parameters
associated
with
that
specific
function
call,
and
then
automatically
execute
the
function.
A
Parameter
Table’s
format
will
be
illustrated
in
detail
later
in
this
manual.
What
you
have
to
know
here
is
that
the
Parameter
Table
includes
all
the
parameter
settings
necessary
for
all
data
acquisition
function
calls
supported
by
the
software
driver.
The
following
is
an
example
of
parameter
tables:
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