Re: Building a 6502 peripheral - timing

From: Jim Brain <*brain_at_jbrain.com*> Date: Tue, 20 Mar 2018 12:46:59 -0500 Message-ID: <84f74ebd-7074-89dd-3dee-303cc7068f6e@jbrain.com> · brain_at_jbrain.com

On 3/20/2018 3:44 AM, silverdr@wfmh.org.pl wrote:
> How do/did you test the PLA you made?
THe 6509 item, or the C64 PLA?

In general, if I have a working unit, I run the two systems in parallel, 
watching the signals for any differences.

Synthetic tools are great to test in general, but Commodore always 
played fast and loose with the timing.
>

-- 
Jim Brain
brain@jbrain.com
www.jbrain.com