Re: 2001 repair help

From: Gerrit Heitsch <gerrit_at_laosinh.s.bawue.de>
Date: Thu, 28 Dec 2017 11:09:33 +0100
Message-ID: <68145297-aa62-dc34-b873-a4c7d492144f@laosinh.s.bawue.de>
On 12/28/2017 10:53 AM, Francesco Messineo wrote:
> On Thu, Dec 28, 2017 at 10:31 AM, Gerrit Heitsch
> <gerrit@laosinh.s.bawue.de> wrote:
>> On 12/28/2017 09:00 AM, vossi wrote:
>>>
>>> The 6540 need a clock. It doesn't wok with a0 or static input.
>>
>>
>> It should work with A0 from the programmer connected to the clock input and
>> A0 from the ROM connected to A1 from the programmer. A1 to A2 and so forth.
> 
> That's what I think too. I'll discover it in a few days anyway :)

If it doesn't, try inverting A0 before feeding it into the clock input.

  Gerrit


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