Re: Joystick for IIe platinum

["Mark Cummings" <NOTfigjams@primus.com.au>]

yep, I know that, but to the uninitiated it is the magic of electronics that
causes the Apple to work with a 100K pot, even though it is a 150K pot. some
ppl may not know what an RC circuit is.

:)


"Matthew Russotto" <russotto@grace.speakeasy.net> wrote in message
ufs74mcf6t2q00@corp.supernews.com">news:ufs74mcf6t2q00@corp.supernews.com...
> In article <3cfe0100_1@news.iprimus.com.au>,
> Mark Cummings <NOTfigjams@primus.com.au> wrote:
> >The adaptor box that is refered to in Rubywands link adds capacitance to
a
> >PC joystick to trick the Apple into thinking it is connected to a 150K
pot,
> >and therefor will have the correct range of motion.
>
> No tricks involved.  It's an RC circuit; the Apple uses a one-shot to
> trigger it and waits for it to decay, the time to decay is the joystick
> value.  Changing "C" is as valid as changing "R".
>
> --
> Matthew T. Russotto                                mrussotto@speakeasy.net
> =====
> Every time you buy a CD, a programmer is kicked in the teeth.
> Every time you buy or rent a DVD, a programmer is kicked where it counts.
> Every time they kick a programmer, 1000 users are kicked too, and harder.
> A proposed US law called the CBDTPA would ban the PC as we know it.
> This is not a joke, not an exaggeration.  This is real.
> http://www.cryptome.org/broadbandits.htm