Re: 1541 ROM areas recognition

From: silverdr_at_wfmh.org.pl
Date: Sat, 9 Nov 2013 02:44:09 +0100
Message-Id: <363FF2D5-DA8C-470C-B393-317E8DCEC0BA@wfmh.org.pl>
On 2013-11-07, at 15:36, Baltissen, GJPAA (Ruud) <ruud.baltissen@apg.nl> wrote:

> Hallo Patryk,
> 
> 
>> I am thinking (wishfully - probably) of making the program
>> universal in the sense that it could detect ROM areas itself.
> 
> AFAIK I never saw a machine that had ROM under $8000. And reading an empty area will read $FF (most of the time). So far it looks simple.

Yes, the “most of the time” part is one thing - it may or may not be an empty area. This can be proper content of the ROM too. Or a register..

> But in the past I have seen a system using bank switching. To be able to read the whole ROM you have to know all ins and outs of the switching mechanism. That means a lot of analyzing. IMHO you are faster with removing the ROM and reading it out using an EPROM reader. 

When I have it my hands things are much easier ;-) But when the drive in question is down-under for example then it starts to be more complicated ;-)

> Just my two groszy...

Your two grosze are always welcome!

-- 
SD!
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Received on 2013-11-09 02:00:47

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