Re: has anybody tried to replace a vic or vic II chip with a board containing a propeller ?

On Monday 27 February 2012, you wrote:
> On 02/27/2012 08:13 PM, Nate Lawson wrote:
> > The remaining problems are:
> > 
> > * You'd still need an analog stage for both SID and VIC chips, which
> > might take up more of the chip footprint. For example, you'd probably
> > need a few tuned op-amps to do the integration of the SID filter. * The
> > final product would probably cost more than people are willing to spend,
> > given that a working C64 is $10-25 on ebay.
> > 
> > So unless chip replacements can be sold for $50 or more, it's probably
> > not worth doing except as a one-off hobby project.
> 
> The only chip I could see a market for would be a drop in replacement
> for the 6526. That one is fully digital and does die quite often since
> it has direct connections to the outside world.
> 
> The VIC is still easily available and doesn't fail very often. Same for
> the CPU (6510 or 8500).

yeah, CIA is also more realistic to reproduce (today) in some cheap way 
(perhaps without needing an fpga even).

-- 

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<Heiner Geissler>


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