Atari XL

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The Ateri XL Handbook
REM ATARI LOGO
GRAPHICS 11
FOR Y=O TO 191
COLOR Y/16
X = SQR{191-Y}*2
PLOT X,Y
DRAWTO X+7, Y
PLOT
36, Y
DRAWTO 43,Y
PLOT 72-X, Y
DRAWTO 79-X, Y
NEXT Y
GOTO 200
Modes 12 and 13
These modes display text and are described in
Chapter 12.
Mode 14
Mode 14 is similar to modes 4 and 6, but has higher
resolution. There are two colours, used in the
same way as those in modes 4 and 6: the
background is controlled by register 4 and is
selected by COLOR 0, the foreground is controlled
by register 0 and is selected by COLOR 1. A text
window may displayed with colours controlled as in
mode o.
The resolution of this mode is 192 rows of 160
col umns, or 160x160 if the text window is used.
Mode 15
This mode is a four colour version of mode 14, with
the colours controlled as in modes 3,5 and 7.