Re: Additional SIDs

From: Segher Boessenkool <segher_at_kernel.crashing.org>
Date: Thu, 1 Dec 2011 23:32:57 +0100
Message-Id: <A1EC19E0-03B7-4654-84C3-D21C6CC41958@kernel.crashing.org> 
> [1] I don't see any simple way to determine if an access to $D4xx is
>     meant for the SID, the character ROM or RAM

You can use #SID (or #IO), #CHAROM and #CASRAM.

If you're asking how to generate those signals, well, quite a lot
of inputs are involved, that's what the PLA is for.


Segher


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