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Difference between revisions of "Deluxe Joystick"

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* [ Programming reading joystick]
* [ Programming reading joystick]
* [ U.S. Patent 4490710 Control Stick Assembly by Kraft Systems, Inc.]
* [ U.S. Patent 4490710 Control Stick Assembly by Kraft Systems, Inc.]
* [ Hi-Res Software-only Joystick Driver by John Kowalski, Robert Gault, and Nick Marentes]


Revision as of 14:18, 15 February 2020

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Home / Hardware - Deluxe Joystick

Deluxe Joystick

Deluxe joystick.jpg

Name Deluxe Joystick
Date November 5
Year Patent Applied: Nov 5, 1982 Patent Granted: Dec. 25, 1984
Interface Joystick Port
Notes Radio Shack Catalog Number 26-3012B
Info Source US Patent 4490710
About the Hardware Info Box

The Deluxe Joystick differed from the original in a number of ways.

All joysticks sold by Tandy for the CoCo were analog joysticks

The Deluxe Joystick was offered in two versions for Color Computers:

  • a single red fire button, TRS-80 Deluxe Joystick label, and two similar-length arms internally
  • two 'fire' buttons (a red one and a black one), Tandy Deluxe Joystick label, and two different length (long and short) arms internally

The red one was button one, and corresponded to the button on the original joystick.

The two-button stick can be used on a CoCo 1 or 2, but the black button number 2 will not be functional as earlier Color Computers lacked the sixth hardware pin in the joystick port to test it.

In addition to the second button, the base of the joystick is larger.

More significantly, the Deluxe joystick included hardware that could automatically center the stick on the X axis, the Y axis, or both.

By holding the stick to the lower-right corner, flipping the unit over, and latching or unlatching two spring-loaded clamps internal to the stick, one could select which axes were self-centering and which were free-floating like the original joystick.

This feature allows the user to select the best stick configuration for whatever program they're using.

NOTE: The instruction to hold the stick to the corner is also molded into the plastic of the bottom base as a reminder when you flip the joystick over to adjust the tabs.

For maze-type and platform games, gameplay is often enhanced with self-centering joysticks that more closely mimic a digital stick.

For paint programs and games like Polaris where you are moving a cursor around on the screen, a free-floating stick is preferable.

And for flight simulators, it is nice to have a throttle control that is centered in the X axis, free in the Y axis, and a control stick that is centered in both.

Though generally more robust than the original CoCo joystick, the centering mechanism in these joysticks is somewhat fragile and can break or come apart.

The design of the stick seems to be nearly identical to a stick marketed for the Apple II by Kraft, so it was probably licensed by Tandy.

A joystick of the same design was also branded by IBM for use on the PCJr.



How it Works including Assembly Code


Multiple people have reported that the inner arms of the joystick break during shipping, possibly due to inadequate packaging.

On Facebook, Scott Kelly posted 3d printable models of the arms that can be used to print replacements along with permission to print them.

External Links