Re: 1551 Repair - 28 pin 6523 Wanted

From: Imre Széll <iszell75_at_gmail.com>
Date: Mon, 10 Mar 2014 00:11:14 +0100
Message-ID: <CAHFX3ZP3-8M+rSPTQi-WYV89EyuykehMVdRexgkroSkZ_Ep7Ug@mail.gmail.com>
No it does not. Ok, it works with a 1551 but in KERNAL fallback mode only,
no custom loader. Yet.


2014-03-09 22:45 GMT+01:00 Groepaz <groepaz@gmx.net>:

> On Sunday 09 March 2014, you wrote:
> > On 03/09/2014 10:01 AM, smf wrote:
> > >> If set to input in the DDR they should read as '1'
> > >
> > > Only if there is a pull up resistor on the undefined bits, which there
> > > may or may not be.
> >
> > If it's the normal 6525 die (and I doubt Commodore made a new die just
> > for that, much easier just use a different package), then there should
> be.
> >
> > Should be easy enough to check by someone with a working 6523T.
> >
> > > (*) I'm guilty of that though, so I admire the intention to get it
> > > right. I guess there is a potential that someone wrote custom code for
> > > accessing the 1551 as well, so just looking at the rom isn't
> necessarily
> > > enough.
>
> krills loader, which is somewhat popular among demo coders, supports the
> 1551
> on plus4 -> http://csdb.dk/release/?id=118713
>
> --
>
> http://www.hitmen-console.org    http://magicdisk.untergrund.net
> http://www.pokefinder.org        http://ftp.pokefinder.org
>
> I don't know what my IQ is. People who gloat about their IQ's are losers
> <Stephen Hawking>
>
>
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>


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Received on 2014-03-10 00:00:02

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