Re: Theorizing: chip select lines as clock speed selectors in a overclocked 6510 on a C64

On 6/30/2022 12:37 AM, Baltissen, GJPAA (Ruud) wrote:
>> Still, his strong advice was not to rely on DOTCLOCK keeping its relation to other ones, which was/is crucial for proper BR operations.
> One thing you can do is to dream up a circuit that halts whatever wants to access the C64/128 until a _complete_ top half of PHI2 has been detected. I have used that idea in on old project: http://www.baltissen.org/newhtm/x_dma.htm . Feel free to use it.

Wouldn't that just be the falling edge of PHI2? Maybe I misunderstand.

Jim