MOS6581 filter caps

danial stocks diode at hotmail.com
Tue Aug 8 17:49:21 CEST 2000




>Hey all,
>
>Pretty much everything you need to know to get it up and running (clock
>specs, which reg does what, etc) has already been HTMLized...
>
><a href="http://stud1.tuwien.ac.at/%7Ee9426444/sidtech2.html">here</a>
>
>and
>
><a href="http://stud1.tuwien.ac.at/%7Ee9426444/sidtech3.html"> here</a>
>
>
>By a couple guys who made a SID soundcard for the PC... pretty cool!
>
>Taking a look at <a href="http://www.ping.be/kim-1__6502/6502/proman.html">
>this</a> also clarified some things for me... it's the MOS 650x programming
>manual.

Making voltage variable caps [see natsemi LM13600 data sheet} with an 
LM13600/700 for the 6581 filter caps could offer some versatility?

Cheers,
Dan


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