[Open-graphics] Inconveniences with the video controller

[Paul Brook]

On Monday 25 June 2007, Timothy Normand Miller wrote:
> On 6/25/07, Paul Brook <paul at codesourcery.com> wrote:
> > Is this worth the hassle compared to just rerunning the VC program
> > generator?
>
> Well... that's hard to say.  Keep in mind that the program is running
> while this is happening.  Generally speaking, as long as nothing
> structural is changed (moving program-control or changing loop
> counts), it's safe to change it while it's running.

Isn't there still a race condition that can result in a frame of garbage?
We need to avoid changing the values in between execution of the ADDR and INC 
commands.

Paul