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Atari 800 User Manual

Atari 800
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248
User's
Handbook
to
the
Atari
400/ 800
Computers
character
blocks. If
an
EOL character
is
output,
the
disk
buffer
contents
will
be
sent to
the
diskett
e rega rd l
ess
of
whether
or
not
the
buffer
is
filled.
If
a
PRI
NT#
statement
contains
more
than
one
expression,
these
will
be
concatenated
unless separated
with
an
EOL character.
PRINT# statements
automatically
output
an EOL
character
after
outputting
the
expressions.
Howev
er, a
comma
or
semicolon
at
the
end
of
a
PRI
NT#
statement
suppresses
the
EOL character.
If
the
previous
PRINT#
statement
exp
ression list
ended
with
a
semicolon,
the
current
PRINT#
statement
would
output
its first
character
immediatel
y
after
the
final
character
that
was
output
by
the
preceding
PRINT# statement.
If
the
previous
PRINT#
statement
expression list e
nded
with
a
comma,
the
current
PRINT#
statement
would
begin
output
at
the
next
column
tab
stop
.
Blank spaces
will
be
placed in the ar
ea
between
the
last
character
output
via PRINT# and
the
first character
output
at
the
next
tab
stop
by
the
current
PRINT# statement. Because
of
the
insertion
of
these
blank
spac
es,
it
is
advisable
not
to
insert
commas
in
PRINT# statements
us
ed
for
disk
output.
The PUT
statement
can also
be
used to
output
data
to
a
disk
file.
PUT takes
the
following
configuration:
PUT #channe/,
num
eric
expression
As
with
PRINT#,
the
channel
specified
must
be
open
for
output.
The value
given
in
numeric
expression
is
output
to
the
data file.
The value
output
will
lie
between
0 and 255.
If
the
value
is
not
an
integer,
it
will
be
rounded
to
the
nearest
integer.
If
the
value
specified
does
not
lie
between
0 and 255,
it
will
be
output
module
256. In
other
words,
256
would
be
sent
as
0, 257
as
1, 258 as
2,
259 as
3,
etc.
Reading From a Data
File
The INPUT#
and
GET
statements are used
to
read data
from
files

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Atari 800 Specifications

General IconGeneral
ProcessorMOS Technology 6502
Processor Speed1.79 MHz
ROM10 KB
GraphicsANTIC and GTIA chips
Release Year1979
Display Resolutionup to 320 x 192
Colors128 colors
Sound4 channels
StorageCartridge, cassette, floppy disk
PortsCartridge, serial, monitor
Operating SystemAtari OS

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