Re: ROMs replacement

From: silverdr_at_wfmh.org.pl
Date: Mon, 8 Oct 2012 21:08:07 +0200
Message-Id: <EFA77974-EBA7-471F-BF03-C0CE95304948@wfmh.org.pl>
On 2012-10-08, at 20:16, silverdr@wfmh.org.pl wrote:

>> You can run an EPROM with _CS and _OE tied LOW and change the address inputs. After tAcc, you will see the the expected output on the data lines. That's how the PLA-replacement using a 27C512 works.
> 
> When I ground both lines, the machine doesn't boot at all. When I do it once it already booted, then it crashes at the characters get garbled. When I now untie those lines from GND, the characters get clean again but of course machine doesn't run anymore.

Yeah - disregard my ignorance here..
-- 
SD!
       Message was sent through the cbm-hackers mailing list
Received on 2012-10-08 20:00:38

Archive generated by hypermail 2.2.0.