Re: [hatari-devel] Adding cache support for the MegaSTE

[Nicolas Pomarède <npomarede@xxxxxxxxxxxx>]

Le 14/07/2024 à 16:07, Christian Zietz a écrit :
> Nicolas Pomarède schrieb:
>
> > Here's an updated version that uses timer A running at div=100  24576 Hz
> > instead of HBL. Overhead should be very low compared to HBL.
>
> Results attached. Note that they now show the ratio of 2.22 ($1F6 / $E2) 
> that I predicted for 8 MHz mode vs. 16 MHz mode with 100% cache hits.


Hi

I tried latest EmuTOS in megaste mode and I see there's a "cache" option 
in the menu, but it's greyed out.

Is that supposed to be a way to enable the MegaSTE cache at $FF8E21 ? If 
so, how to use it ? Also, is there a way in EmuTos to switch between 8 
and 16 MHz ?

Nicolas