Re: ...thoughts on Retro-uC?

From: Gerrit Heitsch <gerrit_at_laosinh.s.bawue.de>
Date: Fri, 14 Sep 2018 16:13:24 +0200
Message-ID: <25bc15b4-5d28-3da4-c949-6e5767d1950b@laosinh.s.bawue.de>
On 09/14/2018 03:37 AM, Mia Magnusson wrote:
> Den Thu, 13 Sep 2018 17:15:42 +0200 skrev Gerrit Heitsch
> <gerrit@laosinh.s.bawue.de>:
>> On 09/13/2018 12:02 AM, Mia Magnusson wrote:
>>> Den Wed, 12 Sep 2018 21:56:06 +0200 skrev didier derny
>>> <didier@aida.org>:
>>>> for me it would be like  a sheep with 5 legs...
>>>>
>>>> if  I want a 6502 / z80  or 68000 I take a real one....
>>>>
>>>> if I want something modern I take an avr, or an arm....
>>>>
>>>>
>>>> I would find replacement for:  6530 /  6560 / 6561 / 6581.... more
>>>> interesting...
>>>
>>> 6530, 6532, 6526, 6525 and 6523 would be rather simple to implement
>>> and it might even be possible to do all in one chip, with some
>>> preprogram thing to choose which of them it should be.
>>
>> Unfortunatly that's not the case. Those chips are NMOS. With their
>> output drivers you can do things (and they were done) that you at
>> least shouldn't do with CMOS drivers.
> 
> That depends on how the new IC's are being manufactured.

Nobody is making NMOS anymore as far as I know.

  Gerrit
Received on 2018-09-14 17:00:05

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