Radio Shack TRS-80 Voxbox - Page 7

Powering
Up
and Loading the
Driver
Program
2.
Powering
Up
and Loading
the
Driver
Program
Okay,
you've got
the hardware set up now. But the VOXBOX
is still
only
halfway
installed.
That's
because an
essential part
of the VOXBOX
is the software
—
the
driver
program that
communicates back and forth
between your
application program
and the
hardware. Before
you
can begin using
the
VOXBOX, you
have to
"install" the driver
program.
This
driver
program is
a
machine-language file
stored on
cassette, and
loaded
into the
highest RAM
addresses in your
machine. There
are
three
different
machine-language
tapes,
SP16, SP32,
SP48,
corresponding to
the three
possible memory sizes,
16K, 32K and
48K
RAM.
1
.
Turn on the
VOXBOX.
The Power Button is on the
rear of
the case
at the left.
2.
Turn on any other
peripherals you
are going
to use.
3.
Turn on the
Computer as usual.
(TRSDOS
users should load
and
execute
the BASIC interpreter.)
4. Now
it's time to
reserve memory
for the driver
program.
Answer
MEMORY
SIZE? according to
the
following table:
IF
YOU HAVE ANSWER
MEMORY
SIZE?
16K RAM 28671
32K RAM
45055
48K RAM 61439
5. Now
locate
the proper SPnn tape for
your
System.
(For
16K RAM,
use SP16; 32K, SP32; 48K, SP48). Prepare
your
recorder
to
play the
tape.