Re: Adding a SID, VIC-20 & others (fwd)

From: Marko Mäkelä (
Date: 1998-02-22 23:24:43

On Sun, 22 Feb 1998, Andrew Vardy wrote:

> > I noticed this old message when I was cleaning up my mailbox.  Levente
> > partially confirmed an old theory on $d011 destroying the RAM contents.
> What RAM does that refer to?

The DRAM chips in the C64, e.g. the main memory.  Many demos that misuse
the $d011 register for creating FLI and other fancy effects can trash the
memory contents on many C64s.


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