Atari 400

The ATARI
800 Home
Computer
Console contains
the CPU
and memory
in
the form
of
the Operating
System
(iOK
of read-only-memory
(ROM))
and SK
to i6K
(standard)
of
user
programmable
random
access memory
(RAM);
plus two
expansion
sockets for
additional RAM
modules
(maximum
^8K). The
console also
contains
the keyboard,
cartridge
slots
(2),
controller
jacks
and a serial I/O
port for
connecting
peripheral
devices
(see Figure 1-2).
HAND
CONTtOUn
tACKS
SYSTEM
HSCT
SWITCM
Figure 1-2.
ATARI
800
Home
Computer
Console
USER
INTERFACE
The ATARI
*00/8G0
Home
Computer
Consoles
are
general
purpose
microcomputers
using
the
6502
microprocessor.
The ATARI
i^OO/800
Consoles
are the
central
processing
units
for
their
respective
systems.
Each
console
comes
standard with
a
built-in
typewriter
style
keyboard,
8K/16K
of
RAM,
ROM
operating
systems,
connector
jacks
for
adding
peripherals
and hand
controllers,
and a
15-foot Radio
Frequency
(RF)
cable
for
connection
to the
user's television
set.
The
controller
jacks
on the
front
of both
consoles
accepts
the X-Y
(joystick) and
paddle
hand
controllers
available
from ATARI.
ATARI
Home
Computers
1-2