Hi Andreas,
Weird - the inversion of the y direction increment is taken from the old
busmouse driver code where it used to work OK. The point of reference is set to
be at the top of the 'screen' so moving the mouse down ought to generate
positive increments.
ARAnyM's emulation of the IKBD does not support changing the y origin.
Bummer - any reason the origin was set to the top initially? I guess we could
reverse that (at least for ARAnyM). Would make the rest of the code more sane as
well. How would I go about figuring out the kernel runs on ARAnyM, Petr?
- the left and right mouse button are interchanged
The busmouse driver had no annotation as to the semantics of the buttons so O
guessed bit 0 was for the left button. Guessed wrong, it seems.
Note that the mouse button bits are also inverted, ie. 0 means down.
You're right. I'd been wondering about that part in the old mouse driver...
knows what the ikbd format for the third button is (on real hardware) it's easy
to add that in.
The IKBD does not support more than two buttons. For a three button
mouse the middle button was apparently wired to the joystick port.
See also <http://dev-docs.atariforge.org/files/ikbd_Prot_2-26-1985.pdf>.
Thanks, Andreas. Seems I'll have to revive the old joystick code, then.
Cheers,
Michael
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