Apple IIe - Page 108

108
Apple
lie
Users
Handbook
by
the
graphics statements,
HPLOT,
DRAW,
and
XDRAW
.
HCOLOR
is
used
in
the
high
resolution
graphics
mode.
Configuration
HCOLOR
=number
number
is
a
numeric
expression
or
numeric
constant
that
evaluates
to
a real
number
or
integer
between
0
and
7.
Values
outside
t~is
range
will
produce
an
error
.
The
colors
and
their
associated
numbers
are
shown
below.
0 - Black
1
1 -
Green*
2 -
Violet*
3 -
White
1
-
4 -
Black
2
5 -
Orange
(Red)*
6 -
Blue*
7 -
White
2
*The
actual
color
depends
on
the
CRT.
HPLOT,
DRAW,
and
XDRAW
will
all
output
lines
in
the
color
indicated
by
HCOLOR
until
a subsequent
HCOLOR
statement
is
executed.
HGR
•
Applesoft
o
Integer
The
HGR
statement
sets
and
clears
the
high-resolution
graphics
mode
(280x160),
with
4
lines
of
text
at
the
bottom
of
the
screen.
Configuration
HGR
The HGR
statement
displays page
one
of
the
high-resolution
screen,
leaving
4
lines
of
text
at
the
bottom.
If
full
screen graphics
(280x192)
is
preferred,
the
statement
POKE -16302,0
will
set
the
rest
of
the
screen
to
graphics. A
POKE
-16301~
restores
the
4
lines
of
text
. )