Radio Shack TRS-80 X-PAD GT-116 - 2; Meet Your X-Pad; So Whats the Point?

2/
Meet
your
X-Pad
So What's the Point?
The
point
is
—X-Pad
is
easy
and
fun
to
use!
The
following
Extended Color BASIC program sets
individual
points
on the
Color
Computer
TV
Screen.
Before
you type in the program:
Be
sure
your
X-Pad
i s
properly
connected.
[<£] Insert
a sheet
of
paper on the
Writing
Surface.
fij
Take
a ruler,
place
it
horizontally
near
the
center
of
the
paper,
and
draw
a
4"
horizontal
line
.
Now
type
in this program:
10
PMODE Htl :REM
POINT
PROGRAM
20
PCL5
30
SCMEN
1 *1
40
GOSUB 80
50
IF
S< >3
THEN
fl0
G0
PSET(X
*Y »i
)
70
GOTO
40
80
X=PEEK(E537G)
:
Y
= PEEK
( S5377
)
:
S
=
PEEK f
B537B)
j RE TURN
and
RUN
it.
Take
the
Pen
and
position
the
tip
over
the left
end of
the
line
you
drew.
Press
down
on the
Pen
(a
light touch
is
all
that's
needed}.
Notice
that
a dot
(point)
appears on
the
Screen.
Next
position
the Pen's
tip over
the
right
end of the
line
and press
down lightly.
Note that
another
dot appears
on
the
Screen.
To
create
more
dots,
simply
move the
Pen
to other
points
on the
paper and
press
the
Pen down.
You can
set as
many
points
as you
want
by just
running