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    SubjectRe: [driver] New life for Serial mice

    > > > If you still have your 3-button MouseSystems (or any other serial) mouse
    > > > somewhere in your driver, forgotten becase of the incredibly slow update
    > > > rate causing so much jumping of the pointer on the screen that it is
    > > > unusable, you may want to pull it out and give it a try.
    > > >
    > > > Or if you're still using it with some old 486 computer, this driver is
    > > > for you.
    > > >
    > > > What it does is that it enhances the update rate from 24 (with current
    > > > GPM and X drivers) to 96. This is almost what the best USB mice do.
    > >
    > > What's the "prediction" stuff? Does it mean you are guessing some values
    > > by interpolation?
    > Extrapolation, yes.

    Can't it make mouse jump forward and back when user suddenly stops?

    > > [If so, what kind of update rate would it do on USB?]
    > It wouldn't make any difference - on USB you always get whole packets,
    > while over serial port the data is processed byte by byte and thus we
    > know a little of the information before the whole packet arrives.

    Ouch, nice trick!
    The best software in life is free (not shareware)! Pavel
    GCM d? s-: !g p?:+ au- a--@ w+ v- C++@ UL+++ L++ N++ E++ W--- M- Y- R+
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