From: Programmingkid <programmingkidx@gmail.com>
To: qemu-ppc <qemu-ppc@nongnu.org>,
Andrew Randrianasulu <randrianasulu@gmail.com>
Cc: qemu-devel qemu-devel <qemu-devel@nongnu.org>,
Howard Spoelstra <hsp.cat7@gmail.com>
Subject: Re: [PATCH v4] Implement the Screamer sound chip for the mac99 machine type
Date: Sun, 23 Feb 2020 21:39:15 -0500 [thread overview]
Message-ID: <89817DD1-763B-40AA-866F-E4A573852551@gmail.com> (raw)
In-Reply-To: <mailman.135.1582477227.13245.qemu-ppc@nongnu.org>
> On Feb 23, 2020, at 12:00 PM, qemu-ppc-request@nongnu.org wrote:
>
> Message: 2
> Date: Sun, 23 Feb 2020 12:43:37 +0300
> From: Andrew Randrianasulu <randrianasulu@gmail.com>
> To: hsp.cat7@gmail.com, qemu-devel@nongnu.org, "qemu-ppc@nongnu.org"
> <qemu-ppc@nongnu.org>
> Subject: Re: [PATCH v4] Implement the Screamer sound chip for the
> mac99 machine type
> Message-ID: <202002231243.37654.randrianasulu@gmail.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Just thought I must share my uneducated guess on issue reported at
>
> https://www.emaculation.com/forum/viewtopic.php?f=34&t=9820
>> Please note that running with 1024Mb of memory will make sound stop working in Mac OS 9.x. So run with less memory.
>> As will running without virtual memory.
>
> My guess this has something to do with device memory regions, may be because Linux always uses Virtual memory
> (MMU, address translation), as well as Mac OS X 10.x - this little issue was unnoticed until recently ?
Interesting theory. We may have to consult the 'Inside Macintosh' series under Memory management to find out how Mac OS 9 works with non-virtual memory.
next parent reply other threads:[~2020-02-24 2:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.135.1582477227.13245.qemu-ppc@nongnu.org>
2020-02-24 2:39 ` Programmingkid [this message]
2020-02-23 9:43 [PATCH v4] Implement the Screamer sound chip for the mac99 machine type Andrew Randrianasulu
-- strict thread matches above, loose matches on Subject: below --
2020-02-18 1:22 John Arbuckle
2020-02-21 9:13 ` Howard Spoelstra
2020-02-21 11:30 ` Programmingkid
2020-02-21 12:09 ` Howard Spoelstra
2020-02-23 14:17 ` Howard Spoelstra
2020-02-24 2:33 ` Programmingkid
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