Re: Theorizing about hack / mod / expansion of a C64 motherboard.

From: Justin <shadow_at_darksideresearch.com>
Date: Wed, 29 Jul 2020 10:31:51 -0500
Message-Id: <D60C5806-E30E-46E9-BCBD-8B9DFB710C8C_at_darksideresearch.com>
It would be interesting to know what the clock limits would be on the board layout itself assuming some world where you’d want to shove an FPGA/ASIC/modern RAM/etc into the existing sockets.  I think multi-core with MMU would be really interesting since then you could use GEOS for some modern workloads.  I suspect at least a hyderthreading version of this would be possible on something like the C64 Ultimate since it would mostly need to track a handful of extra registers if you did not care about hardware memory protection.

Justin

> On Jul 29, 2020, at 10:01, Rainer Buchty <rainer_at_buchty.net> wrote:
> 
> On Wed, 29 Jul 2020, tokafondo wrote:
> 
>> If I take out the main chips (VIC, CPU, SID, PLA, CIAs) and put pinout
>> compatible ones (existing models like WDC's ones or FPGA'd or Arduino
>> cores)...
>> 
>> If I put faster RAMs and ROMs, these having a different, not C64 compatible
>> kernal...
>> 
>> What could be achieved with the same motherboard?
> 
> The probably most complicated way of building a non-compatible homebrew computer featuring 64kB of RAM, I'd say.
> 
> Rainer
> 
> 
Received on 2020-07-29 18:00:35

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