Re: CIA old/new?

From: Segher Boessenkool <*segher_at_kernel.crashing.org*> Date: Mon, 4 Jan 2021 10:12:20 -0600 Message-ID: <20210104161220.GB30983_at_gate.crashing.org> · segher_at_kernel.crashing.org

On Mon, Jan 04, 2021 at 10:36:20AM +0100, groepaz_at_gmx.net wrote:
> Am Montag, 4. Januar 2021, 08:54:44 CET schrieb Frank Wolf:
> > The IRQ logic of the the 8521 was changed (compared to the 6526) in order to
> > fix a bug. In other words the 8521 is more than a die shrink.
> 
> what exactly was fixed regarding the timer interrupts?

A race condition was fixed.  You would apparently never hit it with
old 6526.

Segher