2.6
Color display statement
One
of
the
greatest features
of
the
MZ
-
700
is
that
it
allows characters and graphics
to
be displayed using
any
of
up
to
8 colors.
2.6.1
I
COLOR
........................................................
.
......
(Abbreviated format: COL.)
Format I
COLOR
x,
Y,
c
<,
b >
Function
Example
x
...
. X coordinate (0
to
39)
y .
..
. Y coordinate
(0
to
24)
c . .
..
Character color specification (0
to
7
).
b .
...
Background color specification (0
to
7).
This
statement
is used
to
set
the
foreground and background colors for
the
character
at
a specific position on
the
screen.
Any
of
up
to
8 different colors can be specified
•
for
the
character foreground (c)
or
background (b)
as
shown in
the
table below.
ColorNo
. Col
or
0 Black
1
Bl
ue
2
Red
3
Purple
4
Green
5
Light blue
6
Yellow
7
White
(1)
Changing
the
background color
of
the entire screen
CO
L
OR
, , , 2 .
..
..
(Changes
the
background color used
for display
of
characters
to
red.)
(2)
Changing
the
foreground color
of
the
entire screen (the color used for display
of
all characters)
CO
L
OR
..
3
.....
(Changes
the
color used for display
of
all characters
to
purple.)
(3)
Changing
both
the
background and foreground colors for
the
entire screen
COLOR
, . 1 . 0
.....
(Changes
the
color used for display
of
all characters
to
blue and changes
the
background used for display
of
chara-
cters
to
black.)
( 4) Changing
the
background color
at
a specific screen location
C 0 L 0 R 2 . 2 . . 4
....
. (Changes
the
background col
or
at
coordinates 2, 2
to
green.)
(5) Changing
the
foreground color
at
a specific screen location
COLOR
3.
2.
7
..
. . . (Changes
the
foreground color
at
coordinates 3, 2
to
white.)
(6) Changing
both
the
foreground and background color
at
a specific screen location
COLOR
4,
2.
4,
2
.....
(Changes
the
foreground color
at
coordinates 4, 2
to
green and changes
the
background color
at
that
location
to
red.)
80
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