TIMEX Sinclair 2090
Timex Sinclair 2090 Command Sticks were Atari/Commodore-style digital joysticks as they were controlled by the AY-3-8192 sound generator chip.
It uses the design of the Zircon Z-Stick with some cosmetic modifications. Hand controller for graphics and game applications. Designed for maximum control and comfort with a single-control knob, tapered grip, and rapid-fire thumb button.
TS2090 only works with TC2068 and TS2068 and can be used with the new STICK command Timex implemented on the new BASIC TC/TS2068 ROM.