In message <3.0.32.20001106111826.00689550@xxxxxxxxxxxxxxxxx>, "John K. Harvey"
writes:
>477.888 cycles = 6.288 scanlines?
>
>Is it true? Why the long wait?
I don't know the specific timings of the keyboard controllers, but one
generally has to wait for mechanical switches to stop bouncing. The
contact is not a clean one, but rather a series of brief contacts
as the contacts close, then bounce a part, then close, then bounce...
This continues until the spring finally overcomes the switch bounce.
-Chris
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