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Re: [MiNT] TimerA interrupt handler

To: Miro Kropáček <miro.kropacek@gmail.com>
Subject: Re: [MiNT] TimerA interrupt handler
From: Andreas Schwab <schwab@linux-m68k.org>
Date: Mon, 31 Dec 2012 11:00:46 +0100
Cc: MiNT Mailing List <mint@lists.fishpool.fi>
In-reply-to: <CAN5rfbSFA-NvRyYmg0P8EuOcC3kKYqUxbh6HskiGtorDcZX=Fw@mail.gmail.com> ("Miro Kropáček"'s message of "Mon, 31 Dec 2012 00:11:40 +0100")
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Miro Kropáček <miro.kropacek@gmail.com> writes:

> will do the trick but nope, it doesn't work ('timerA' is not
> executed).

You have to acknowlege the interrupt in software-EOI mode.

> I suspect the 'automatic end-of-interrupt mode' bit settings, as
> there's no way how to set it via a C function, AFAIK. Any ideas?

Since the EOI mode is global to all interrupts served by the MFP it is a
bad idea to change it.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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References:
- [MiNT] TimerA interrupt handler
  - From: Miro Kropáček <miro.kropacek@gmail.com>

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