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2024-03-02: The wiki ran out of disk space, so things were not working. This has been resolved by adding another 5GB of quota ;-) Thanks to Tim Lindner for reporting the issues.
2020-05-17: If a page gives you an error about some revision not being found, just EDIT the page and the old page should appear in the editor. If it does, just SAVE that and the page should be restored. OS-9 Al (talk) 12:22, 17 May 2020 (CDT)
WICO Computer Command Trackball
This trackball was made specifically for the CoCo's joystick port. No adapter needed.
Original Spectrum Projects price $69.95; by August 1986 only $19.95.
WICO's model number was 72-4550 [1].
WorthPoint photo from eBay. Note the "RS" sticker (for "Radio Shack"). Other platforms had similar identification stickers such as "AT" for Atari.
Another Worthpoint entry showing complete package contents.