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INT
52h,
Function 2
-
Move
the
Graphics Cursor
Right
One
Pixel
Entry:
AH =
2
(function
code)
Exit:
FLAGS.C =
-
cursor
updated
FLAGS.
C =
1
-
cursor
was
already
at
maximum
X,
therefore
it
was
not
changed
INT
52h,
Function 3
-
Move
the Graphics Cursor
Left
One
Pixel
Entry:
AH
=
3
(function
code)
Exit:
FLAGS.C =
-
cursor
updated
FLAGS.
C
=
1
-
cursor
was
already
at
minimum
X
(0),
therefore
it
was
not
changed
INT
52h,
Function 4
-
Move
the
Graphics Cursor
Down One
Pixel
Entry:
AH =
4
(function
code)
Exit:
FLAGS.C =
-
cursor
updated
FLAGS.
C
=
1
-
cursor
was
already
at
maximum
Y,
therefore
it
was
not
changed
INT
52h,
Function 5
-
Move
the Graphics Cursor
Up One
Pixel
Entry:
AH
=
5
(function
code)
Exit:
FLAGS.C =
-
cursor
updated
FLAGS.C =
1
-
cursor
was
already
at
minimum
Y
(0),
therefore
it
was
not
changed
INT
52h,
Function
6
-
Set
Graphics
Attribute
Entry:
AH =
6
(function
code)
AL =
external representation
of attribute
for
turning pixels
off
1
for
turning
pixels
on
Exit:
No
registers specified
This
routine sets
the graphics
attribute
as
specified.
It
should
also set
up
the
internal
representation
of the
graphics
attribute
accordingly.
INT
52h,
Function
7
-
Set Current
Pixel
to
Current
Attribute
Entry:
AH
=
7
(function
code)
Exit:
No
registers specified
This
routine sets
the
pixel
addressed
by the graphics cursor
to
the current
graphics
attribute.
This
has
the
effect
of turning
off
(graphics
attribute
=
0)
or turning
on
(graphics
attribute
=
1)
the
pixel.
144
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