Re: VC1541 with fast serial?

From: silverdr_at_wfmh.org.pl
Date: Tue, 27 Aug 2019 00:02:49 +0200
Message-Id: <FF43489A-F8C8-4841-A908-52AFDCE8770A_at_wfmh.org.pl>
> On 2019-08-26, at 23:24, Mia Magnusson <mia_at_plea.se> wrote:
> 
>> It might be easier to do what Commodore has done in the 1570/71 and
>> use an additional 6526 just for the shift register. Then borrow the
>> code from the 1571.
> 
> That would most likely be the solution that requires the least amount
> of work to get it up and running. 
> 
> Captain Obvious says that the con is of course that it needs a CIA. For
> a one-off or general DIY project that might not be a problem, but if
> someone were to order a bunch of PCBs and sell either as a complete kit
> or ready-built thing it might be troublesome to source CIAs.

Pulling a CIA's shift register off a PLD would be Captain Obvious next advice ;-)

-- 
SD! 
Received on 2020-05-29 22:57:41

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