Re: Programming an 040

From: Jo Even Skarstein <>
Date: Mon, 13 Oct 1997 11:37:06 +0200

On Mon, 13 Oct 1997, Magnus Kollberg wrote:

> What could the problem be if a program are having problems
> with the caches on the AB040?

Self-modifying code perhaps?

> Also, does anyone know of any problems with using the DSP under
> MagiC? Under TOS it works, but under MagiC the sounds doesn't
> sound properly.

Yes, there are definelately some problems. My Falcon locks up the
first time I try to access the DSP after booting MagiC. After a reboot
it generally works, but I get occasional lockups. I have no such
problems with TOS.

> If you wonder what I'm talking about, it's a GM player with 24
> channels of sound which plays GM files in a GEM enviorment. Very


> Any ideas? I would like to help the guy making it to find the
> problems, so if anyone has any ideas, please tell me.

The problems with MagiC are probably related to the DSP-handshaking,
although I'm not sure. I haven't got a clue about any workaround,
except from patching MagiC.

** Jo Even Skarstein
** beer - maria mckee - atari falcon - babylon 5
Received on ma. okt. 13 1997 - 11:37:06 CEST

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