Re: C64A 82S100 JED?

I like it! How can I get/make one?

----- Original Message ----- 
From: "Frank Wolf" <webmaster_at_frank-wolf.org>
To: <cbm-hackers_at_musoftware.de>
Sent: Sunday, May 24, 2020 2:49 PM
Subject: Re: C64A 82S100 JED?


> I'm talking about our *switchable* PLA replacement which has 4 
> additional inputs to select
> WHICH of the contained PLA equations should be active:
> 
> https://hackaday.io/project/169048-pladvanced-all-in-one-pla-replacement
> 
> In order to test it we use an adapter which maps the additional 4 input 
> signals to the
> upper address lines of a 27C800 EPROM.
> 
> /Frank
> 
> 
> On 24.05.2020 20:24, Gerrit Heitsch wrote:
>> On 5/24/20 7:59 PM, Frank Wolf wrote:
>>> In order to check a PLA replacement you could reading it like a 512kB 
>>> EPROM (with an adapter for PLS100N)
>>> and compare it against a genuine PLA readout (or the file written by 
>>> the small
>>> program on zimmers).
>>>
>>> We use the same method to check if all PLA variants in our switchable 
>>> PLA replacement
>>> are correct: We use an adapter to read it like a 27C800 EPROM and 
>>> compare it against
>>> a correct file.
>>
>> I would expect that to be a 27512 EPROM since the PLA has 16 inputs 
>> and 8 outputs.
>>
>> Gerrit
>>
>>
>>
>