Re: COP421 dumps!

I really must be on the wrong mailing lists!

I assume you have to source a COP402 from eBay or somewhere...

--Tom

On Tue, Mar 29, 2016 at 1:21 AM, James MacPhail <gg__at_email.domain.hidden> wrote:

>
> The Lisa I/O COPS dump has been preserved here as well:
>
> http://segher.ircgeeks.net/COPS/
>
> Using that code dump, a successful plug-in replacement for the Lisa's COPS
> has been built based on the romless COP402. I expect production units will
> be available soon.
>
> This design does have its drawbacks... it isn't low power, so it won't
> keep time for long when running from a battery (when power is disconnected
> from the Lisa). However, since most of us don't have a battery on the Lisa
> I/O board anymore anyway, this likely isn't an issue for most people.
>
> James
>
> As far as I know, the mask ROMs in the COP421s were basically the
>> last bit of code in the Lisa's hardware that hadn't been preserved
>> on modern media.
>>
>
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