Re: 7501/8501 R/W gate in

Hi Gerrit,

let's say it this way: If the 6502 core doesn't change it you won't see 
a change of course.

But GATE_IN is definitely a latch enable signal and R/W# is latched. I 
reversed it from the die
and my conclusions were tested and proven; you certainly followed my 
posts on F64 ;)

/Frank (aka androSID)

On 30.08.2020 17:59, Gerrit Heitsch wrote:
> On 8/30/20 5:39 PM, Frank Wolf wrote:
>> Hi _at_ll,
>>
>> almost right... R/W# can change as long as GATE_IN is high. In other 
>> words: Francesco is right.
>
> Never saw it change anywhere else but on the rising edge of MUX 
> though. The difference between what you see on the scope and what the 
> circuit really does. :)
>
>  Gerrit
>