From: "André Braga" <meianoite@gmail.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] How to Simulate hardware that counts scanlines?
Date: Fri, 28 Jul 2006 13:53:46 -0300 [thread overview]
Message-ID: <2ad73a0607280953u366ff2f3gb4a164ca2c94e2d3@mail.gmail.com> (raw)
In-Reply-To: <BAY114-F7583721F68BE69AE6A422BD580@phx.gbl>
On 7/27/06, Steve Ellenoff <sellenoff@hotmail.com> wrote:
> The guest os code is polling this register on a very fast interval, and when
> it detects a certain # of scanlines have been counted, it will swap it's
> display buffers, ie, it's waiting for the vblank, so it can have nice smooth
> animations.
Since this is all custom, I'd rather raise an interrupt when the DAC
reaches the final portion of the frame buffer... This has to be better
than polling.
next prev parent reply other threads:[~2006-07-28 16:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-27 3:22 [Qemu-devel] How to Simulate hardware that counts scanlines? Steve Ellenoff
2006-07-27 9:47 ` [Qemu-devel] Adding a device into Qemu ARM Tieu Ma Dau
2006-07-27 12:41 ` Paul Brook
2006-07-28 16:53 ` André Braga [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-07-31 20:53 [Qemu-devel] How to Simulate hardware that counts scanlines? Steve Ellenoff
2006-07-31 20:58 ` Paul Brook
[not found] <200607271342.20917.paul@codesourcery.com>
2006-07-31 20:55 ` Steve Ellenoff
2006-08-02 0:48 Armistead, Jason
2006-08-02 9:00 ` Fabrice Bellard
2006-08-02 21:28 Steve Ellenoff
[not found] <Pine.LNX.4.64.0608010410410.6869@home.oyster.ru>
2006-08-02 21:47 ` Steve Ellenoff
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