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| From: Richard Atkinson
Date: 2002-01-25
Subject: Re: SID card
|
On Fri, 25 Jan 2002, [ISO-8859-2] Grósz Attila wrote:
> I have a question... I know it's been discussed on the list,
> but the archive is now way to big to scan through (HINT:
> Lion, don't you want to merge the archives into one big text
> file with some nice Unix script??? :-) )
cat, grep ;)
> Which addresses does the SID card in the plus/4 actually
> use? I remember like there were even two kind of mappings...
> (?) Could someone help me out with this? I am working on a
> "secret" project now, and I'd need this info badly :)
$FD40-$FD5F is Solder's own preference, but the GAL also maps it into
$FE80-$FE9F for compatibility with an older Hungarian expansion (I believe). There's also an 8 bit parallel port in there somewhere, for the digital part of the joystick port.
Richard
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