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Atari XL User Manual

Atari XL
262 pages
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First
Steps
17
we will
discover
a
way
of
giving
the
computer
a
large
number
of
instructions
all
at
once -
in
the
form
of
a
program.
SUMMARY
PRINT
instructs
the
XL to
print
something
on
the
screen.
PRINT "ABCDEFG"
prints
the
characters
between
the
quotation
marks.
PRINT
3+4
prints
the
result
of
the
sum.
These
can
be
combined:
PRINT
"3+4*5+7
=
".
,
3+4*5+7
Upper
and
lower
case
characters,
reversed
characters
and
graphics
characters
are
available.
Control
characters
to
clear
the
screen
and
move
the
cursor
can
be
included
in
a
PRINT
command.
Multiple
Commands
A
number
of
separate
instructions
may
be
included
on
one
line
but
must
be
separated
by
colons (:).

Table of Contents

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Atari XL Specifications

General IconGeneral
Release Year1983
CPUMOS Technology 6502C
GraphicsANTIC, GTIA
SoundPOKEY (4 channels)
StorageCassette tape
PortsCartridge
Operating SystemAtari BASIC
CPU Speed1.79 MHz
RAM64 KB

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