Re: DMA successes with Verilog

From: André Fachat <*afachat_at_gmx.de*> Date: Fri, 15 Jun 2018 00:43:32 +0200 Message-ID: <1640077da20.27e0.b4d1f2b66006003a6acd9b1a7b71c3b1@gmx.de> · afachat_at_gmx.de

Am 15. Juni 2018 12:29:34 AM schrieb Nejat Dilek <imruon@gmail.com>:

> On Fri, Jun 15, 2018 at 1:05 AM,  <silverdr@wfmh.org.pl> wrote:
>>
>>
>>> On 2018-06-14, at 23:38, Nejat Dilek <imruon@gmail.com> wrote:
>>>
> Since NMI to be generated by this special hardware, running software
> on the c64 can't prevent it happening. Marko Makela's finding is only
> relevant for the stock hardware.

If the software keeps NMI low by way of the CIA, other hardware cannot 
trigger an NMI, as the trigger in the CPU is a transition from high to low, 
which is prevented.

What did I miss?

André