Atari 400 Basic Reference Manual page 3

TABLE OF MODES
AND SCREEN FORMATS
Vert. (Rows)
Vert. (Rows)
RAM
Gr. Mode
Horiz.
Split
Full
II
Of
Require d
Mode T y pe
(Columns )
Scree n Screen
Colors
(By t es)
0
TEXT
4 0
-
24
2
993
1
TEXT
20 20
24
5
513
2
TEXT
20
10 12
5 261
3 GRA PHICS 40 20
24 4 2 73
4
GRAPHICS 80
40
48 2 537
5
GRA PHICS 80
40 48 4
1017
6
GRA PHICS 160
80 96
2 2025
7 GRAPHICS 160 80 96
4
3945
8
GRAPHICS 320
160 192
1/2
7900
MODE, SET COLOR, COLOR TABLE
S ETCOLOR
(a expl)
D e fault Mode or Color Color
Colors
Conditio n R e gist e r No . (aexp) D ESCRIPTION AND COMMENTS
0 COLOR d a ta
-
LIGHT BLUE MODE 0 a nd
1
actua lly Cha racter lumin ance (sam e colo r as background)
DARK BLUE ALL TEXT
2 determines Bac k ground
WINDOWS
3
c haracter to
-
BLACK
4
be p lott ed Borde1·
ORANGE 0 COLOR data Cha1·acter
LIGHT GREEN
MODES
1
1 actually determines Ch aracter
DARK BLUE a nd
2
c h arac te r to be Ch aracter
RED 2
3 plo tted
Ch ar acter
BLACK
(Text Mod es)
4
Background, Borde r
ORANGE 0
1 Graph ics point
LIGHT GREEN MODES 3, 5,
1
2
Grap hics point
DARK BLUE
and 7 2 3 Graphics poi n t
(Four-color
3 -
BLACK Modes)
4
0
Gr aphics point (backgro u nd defa ult ), Border
ORANGE MODES 4
0
1
Graph ics point
an d 6
1
-
(Two-color
2
-
Modes)
3
-
BLACK 4
0 Gr aphics point (back ground d efault ), Border
LIG HT GREEN
0
- -
DARK BLUE
1 1 Graphics point lum inance (same color as backgrou nd)
MODE 8
2 0
Graphics point (background d e liiUlt )
(1
Color
3
-
BLACK 2 Lum inances)
4
Border