Now let's change to a new paper.
When
a new
paper
is selected,
the
previous
background colour
behind
the
characters
will NOT change because
that
colour was
'printed' by a different PAP
ER.
To
see this, type in:
paper
2
[RETURN]
Once
again
use Tables 1
and
2 to see why the·background colour for PAP E R number
2 is
bright
cyan.
Change
it
to black by
typing
in:
ink
2,0
[RETURN]
On
the
screen now, we
have
characters
written
by
PEN
numbers 1 and 3, on a
background of PAP E R
numbers
0
and
2. INKs can be changed
in
aPE
N or PAP E R
that
you
are
not
currently
using.
For
example, type in:
ink
1,
2
[RETURN]
....
which changes
the
colour of all
the
previous characters typed in with
PEN
number
1.
Type in:
c L s
[RETURN]
.... to clear
the
screen.
It
should now be possible for you to
instruct
the
computer to
return
to its original
colours
TElue
border-
and
background
with
bright
yellow characters) using
the
80
R D E
R,
PA
PER, PEN,
and
INK commands. See
if
you can
do
so.
If
you can't,
then
reset
the
computer using
the
[CONTROL]
[SHIFT]
and
[ESC]
keys.
Flashing Colours
It is possible to
make
the
colour of
the
characters flash between one colour and
another. This
can
be achieved by adding
an
extra
colour
number
to
the
INK
command of
the
PEN.
To
see
the
characters
on
the
screen flashing between
bright
white
and
bright
red,
reset
the
computer
using
[CONTROL]
[SHIFT]
[ESC], and type in:
ink
1,26,6
[RETURN]
Chapter 1 Page
52
Foundation Course
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