Re: Article PC-card

From: Spiro Trikaliotis (Spiro.Trikaliotis_at_gmx.de)
Date: 2001-03-02 12:12:05

Hi,

ok, ich was wrong:

see:
http://support.intel.com/support/controllers/peripheral/231468.htm

and see also
http://support.intel.com/support/controllers/peripheral/index.htm


It was quite some time that I programmed that thing.

I'm sorry,
   Spiro.


----- Original Message -----
From: "Spiro Trikaliotis" <Spiro.Trikaliotis@gmx.de>
To: <cbm-hackers@dot.tml.hut.fi>
Sent: Friday, March 02, 2001 12:09 PM
Subject: Re: Article PC-card


> Hi Ruud,
>
> > 4) if you program it to give IRQs, you _have to_ tell the 8259 that you
> > have noticed the IRQ by negating the INTA (INTerrupt Acknowledge) line
> > twice. This means extra hardware. Advantage: Negating INTA the first
time
>
> Correct me if I'm wrong, but I think this is not true for a 8259A in
> 8086-mode (while it is for a 8259 or a 8259A in 8080-mode).
>
> Have you thought about using that one?
>
> Spiro.
>

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