Tandy Color Computer 3 Manual page 47

Specifications
Joystick Controller
Jack
Pin Location
Looking
at
the outside
of
the
JOYSTICK
jack
on
the
computer:
1.
Comparator
Input (Right-Left)
2.
Comparator
Input
(Up-Down)
3.
Ground
4.
Fire
button
1,
High
when
open,
Low when
closed
5.
Vcc, current-limited
+5VDC
6.
Fire
button
2,
High
when
open,
Low when
closed
RGB
Monitor
Jack
Pin
Location
Looking
at
the outside
of
the
RGB OUT
jack
on
the bottom
of
the
computer:
1.
Ground
2.
Ground
3.
Red
4.
Green
5.
Blue
6.
Polarity
(No
Pin)
7.
Sound
8.
Hsync
9.
Vsync
10.
No
Connection
37