Atari 800XL

1)
Clock
Input
2)
Clock
Output
3)
Data
Input
4)
Ground
5)
Data
Output
6)
Ground
7)
Command
8)
Motor
Control
9)
Proceed
10)
+5V/Ready
11)
Audio
Input
12)
Not
Connected
13)
Interrupt
SIO
Connector
Pin
Assignments
CONTROLLER JACK INTERFAX
The
800XL
provides
two
controller
jack
interfaces.
Both
are
functionally
and
electrically
identical.
The
controller
jacks
are
9-pin
D-type
male
connectors.
1)
Joystick
Forward
Input
2)
Joystick
Backward
Input
3)
Joystick
Left
Input
4)
Joystick
Right
Input
5)
B
Potentiometer
Input
6)
Trigger
Input
7)
+5
Volts
8)
Ground
9)
A
Potentiometer
Input
Controller
Jack
Pin
Assignments
19