[Coco] OS9 Joystick/Mouse question

[Bill Pierce]

Hi,
Is there a way (in software) in OS9 to check to see if a joystick or mouse are connected?
I konoy how to turn the mouse on/off, check it's values, set the resolution and what side it's on, but I haven't found a way to check to see if one is connected.
The idea is for a program to do a mouse check on startup, if present then default to it, if not, default to the keyboard.

Thanks

Bill Pierce
My Music from the Tandy/Radio Shack Color Computer 2 & 3
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