Atari 800 Basic Reference Manual

MODEO
MODE1
OR
MODE2
Table 9.7-CHARACTER/COLOR ASSIGNMENT
Conversion 1
Conversion 2 Conversion 3
Conversion 4
zSETCOLOR
2 #+32 #+32 #-32
NONE
POKE 756,224
POKE 756,226
SETCOLOR 0
_$32
#+32
#-32
#-32
SETCOLOR 1
NONE #+64
#-64
NONE
SETCOLOR 2
#+160
#+160
#+96 #+96
SETCOLOR 3 #+128
#+192 #+64
#+128
Z. Luminance controlled by SETCOLOR 1, 0, LUM.
3. POKE the Character Base Address (CHBAS) with 226 to specify lower case let-
ters or special graphics characters ; e.g.,
POKE
756,226
or
CHBAS = 756
POKE CHBAS, 226
To return to upper case letters , numbers, and punctuation marks , POKE CHBAS
with 224.
4. A PRINT statement using the converted number (82) assigns the lower case
"r" to SETCOLOR 0 in mode 2 (see Table 9-5).
Graphic Control Characters
These characters are produced when the &ml ke y is pressed with the
alphabetic keys shown on back cov e r. These characters can be used to draw
design, pictures, etc., in mode 0 and in modes 1 and 2 if CHBAS is changed .
56 Graph ic Mod es and Co mmands

Atari 800 Specifications

General

Brand	Atari
Model	800
Category	Desktop
Language	English