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| From: Peter Trauner
Date: 2001-05-07
Subject: Re: Question about SIDCARD schematics/ports
|
Christian wrote:
>
> Am 2001.05.06 13:26:37 +0200 schrieb(en) "Hársfalvi, Levente":
>
> Hi Everybody.
>
> I will publish the circuit for the SID-card in the next days on my homepage
> www.solder-synergy.de. The GAL is very simple. You can also use a hardwired
> logic with LS30/LS138 or other to decode the adresses ($fd40-$fd5f is
> basis, $fe80-$fe9f is mirror of this, $fd50 is gameport (bit's for
> direction like C64) and $fd51-$fd5f is mirror of this.)
AD/Paddle/Mouse, channel reading only at the 0xfe80 io-window?
Peter T.
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